Guidelines

 

NUMBER CONCEPTS

 

 

SCOPE AND SEQUENCE

 

SKILL

 

OBJECTIVE

 

VOCABULARY

 

EXAMPLE

 

PROBLEM SOLVING EXAMPLE

 

CONNECTIONS, INTEGRATION

 

RESOURCES

I – D

 

 

 

 

INTEGERS

M.8.1

The students will understand the concept of integers.

 

 

M.8.2

The students will compare and order integers.

INTEGER

positive

negative

 

whole number

 

 

+ 13

 

- 7

 

 

 

 

+ 16 > -  32

 

- 23 < + 4

Give the integer that represents the following:

 

22 degrees below zero

 

a deposit of $5.00

 

At the end of a card game, Tom’s score was +8; Ellen’s score was –23.

Who had the higher score?

 

 

 

 

 

 

 

 

Real life:

Temperatures, game scores, feet above or below sea level, gains and losses in the stock market, etc.

 

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NUMBER SENSE

 

 

PLACE VALUE

M.8.3

The student will maintain understanding of place value millionths through trillions.

decimal

millionths

hundred-thousandths

ten-thousandths

thousandths

hundredths

tenths

units

tens

hundreds

thousands

ten-thousands

hundred-thousands

millions

ten-millions

hundred-millions

billions

trillions

Use place value chart

Draw a place value chart for thirty eight and four hundred twelve millionths.

 

In a reference book (e.g. an almanac) search for things that are described in terms of very large and very small numbers.

Study Skills—use of reference materials.

 

Language Arts—Writing large numbers within a paragraph/sentence.

 

Social Studies, Science—larger and smaller numbers used in data.

 

Physical Education—number used to record speed and distances.

 

Technology—limitations of calculator display.

 

M

READING AND WRITING NUMBERS (NUMERALS)

M.8.4

The students will continue to develop skills in reading and writing numbers.

number

numeral

Reading:

   Stress: decimal point is read as “and”.

   Stress: Correct reading of repeating decimals (e.g.) 0.63 is read  as “63 hundredths, bar 3”

 

Writing:

  Stress:  correct formation of numerals and mathematical symbols; correct size of fractions and exponents.

Write in words:

4,003,016,024

(four billion, three million, sixteen thousand, twenty-four.)

 

Write the inequality for the statement:

Eight million is greater than eight millionths.

(8,000,000 > 0.000008)

Language Arts—Handwriting;

Reading; Vocabulary enrichment (number-related root words)

Spelling

Correct writing of numbers in sentences, outlines, tables, etc.

Social Studies—reading and writing numerical data.

Technology—interpreting spreadsheet data

 

 

 

 

 

 

 

 

 

 

 

 

 

NUMBER CONCEPTS

 

SCOPE AND SEQUENCE

 

SKILL

 

OBJECTIVE

 

VOCABULARY

 

EXAMPLE

 

PROBLEM SOLVING EXAMPLE

 

CONNECTIONS, INTEGRATION

 

RESOURCES


 

M

 

 

 

 

 

I - D

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

M

 

 

 

 

 

M

 

 

 

 

 

 

M

 

 

 

 

 

 

 

 

 

NUMBER PATTERNS

 

Divisibility

 

 

 

 

Perfect,

Abundant,

Deficient numbers

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Prime and Composite Numbers

 

 

 

M.8.5

The students will determine if a number is divisible by 2, 3, 4, 5, 6, 8, 9, or 10.

 

 

M.8.6

The students will determine if numbers are perfect, abundant or deficient.

 

 

 

 

 

 

 

 

 

 

 

 

M.8.7

The students will determine if numbers are prime of composite. 

 

M.8.8

Using the Sieve of Erastothenes, the students will determine the prime numbers between 1 and 100.

 

 

M.8.9

The students will find the prime factorization of composite numbers.

 

divisibility

divisible

factor

 

 

 

 

perfect numbers

abundant numbers

deficient numbers

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

prime number

composite number

 

 

 

 

Sieve of

Erastothenes

 

 

 

 

 

 

factor tree

prime factorization

Fundamental

  Theorem of

    Arithmetic

 

relatively prime

 

twin primes

 

 

48 is divisible by 2, 3, 4,

6, 8, 12, 16, 24 and 48

 

 

 

 

 

Perfect  --a number is

perfect if the sum of the

factors less than the

number is equal to the

number

( The factors of 28 are 1,

2, 4, 7, and 14.  The sum

of these factors is 28).

Abundant – a number is

abundant if the sum of

the factors less than the

number is greater

than the number.(12 is an

abundant number).

Deficient – sum of factors is less than the number (10 is a deficient number).

 

 

Prime – a number

having only 2 factors,

itself and 1.

Composite – a number

with more than two factors.

 

Sieve of Erasiothenes –

Using a hundreds’ chart,

cross out all multiples of

2, 3, 5, 7..Remaining

numbers are prime numbers.

 

 

 

factor tree –

240

                 /     \

               60x    4

                /\       /\

           15x 4x 2 x 2

            /\     /\   |     |

           5x3x2x2x2x2

The prime factorization of 240 is

 2⁴ ·3·5

 

How many different

ways can 4 dozen donuts be arranged on a tray?

2 rows of 24

3 rows of 16

4 rows of 12

6 rows of 8…

 

Make a chart identifying the numbers from 25 – 40 as being deficient, abundant or perfect.

 

Explain why 33 is considered a deficient number

 

 

 

 

 

 

 

How many consecutive primes are there between 1 and 58

 

(Since 2 is the only even prime, there is only one set of consecutive primes).

 

Science: patterns in nature

 

Social Studies:  election years

 

Real Life:  Patterns in architecture, industry, sports

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Math: Geometry- Using blocks or cubes, have the students discover that prime numbers can only make one rectangular arrangement.  With composite numbers, multiple arrangements are possible. (e.g. with 24 cubes the arrangement could be 2 x 12, 3 x 8, 6 x 4, etc.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NUMBER CONCEPTS

 

SCOPE AND SEQUENCE

 

SKILL

 

OBJECTIVE

 

VOCABULARY

 

EXAMPLE

 

PROBLEM SOLVING EXAMPLE

 

CONNECTIONS, INTEGRATION

 

RESOURCES

 

M

 

 

 

 

 

 

D - M

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NUMBER PATTERNS

(CONT’D)

 

Relative  primes

 

Twin  primes

 

 

Prime  factorization of negative numbers

 

 

 

 

 

 

 

 

 

 

 

 

M.8.10

The students will determine if numbers are relatively prime and will identify twin primes

 

 

 

M.8.11

By re-expressing negative integers as the product of –1 and a whole number, the students will find the prime factorization of negative numbers…

 

 

 

 

 

 

Relatively prime numbers

 

Twin primes

 

Relatively prime numbers are two numbers that have no common factor except 1. (13 and 14 are relatively prime numbers).

Twin primes are prime numbers which are next to each other in the order of primes. (3, 5) and (5, 7) are twin primes.

 

Find the prime factorization of -144

 

Re-express -144 as

-1 · 144

         |      \

-1 · 12 · 12

        |  \    |    \  

-1 · 3 · 4 · 3 · 4

         |   | \  |    | \

-1· 3· 2· 2 · 3 ·2·2

 

-1·2⁴·3˛

 

Tell which sets of numbers are relatively prime:

24 and 32

23 and 32

14 and 20

67 and 45

 

(23 and 32)  and

(67 and 45) are relatively prime

 

 

The prime factorization of –128 is -1·2⁷   

 

 

 Technology – programs which generate prime numbers

 

 

 

 

Real life – Stock market, games which score with integers

 

 

 

 

 

 

 

Research:  Christian Goldbach’s conjectures about prime numbers

 

 

 

I

 

Figurate

Numbers

 

M.8.12

The students will associate patterns of numbers with geometric figures.

 

figurate numbers

triangular numbers

square numbers

pentagonal numbers

hexagonal numbers

    ·             ·

  ·  ·         · ·

   3          ·  ·  ·

                    6

     ·               ·

  ·  ·            · ·

·  ·  ·         · ·  ·

· · · ·       · · · ·

10             · · · · ·

                  15  

 

 

Find the fourth pentagonal number.

 

1, 5, 12, 22, 35, 51

 

Science:  Patterns in nature

 

(A good illustration of this is seen in the film Donald in Mathmagicland produced by the Walt Disney Corp.

 

 

NUMBER CONCEPTS

 

SCOPE AND SEQUENCE

 

SKILL

 

OBJECTIVE

 

VOCABULARY

 

EXAMPLE

 

PROBLEM SOLVING EXAMPLE

 

CONNECTIONS, INTEGRATION

 

RESOURCES

 

I – D – M

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

I - D

 

Sequences

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fibbonacci

Sequence

M.8.13

The students will recognize and extend arithmetic and geometric sequences and will solve problems using these.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

M.8.14

The students will identify the pattern of the Fibbonacci sequence and will identify the relationship between successive terms.

sequence

terms

arithmetic sequence

geometric sequence

common difference

common ratio

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fibbonacci sequence

arithmetic sequence- next term found by adding .

(e.g.  3, 7, 11, 15, 19,..next terms found by adding 4 to last term.)

 

Geometric Sequence – next term found through multiplication . (e.g. 4, 8, 16, 32, 64, 128…next term found by multiplying previous term by two.)

 

Sequences found through using a combination of operations are neither arithmetic or geometric. (e.g. 4, 8, 9, 18, 19, 38, 39…the pattern is x2 + 1)

 

 

 

 

 

 

 

 

1, 1, 2, 3, 5, 8…(add last two terms to get next term)

 

F9 – 34 (the ninth Fibbonacci number is 34)

Bill’s father gave him a choice of payment plans for doing odd jobs at the family store during the month of July.

Plan A:  Starting with $4.81 on the first day of the month, he could double the amount each day.

Plan B:  $10. a day for each day he worked.

 

If Bill worked 20 days out of the month which plan would Bill find most beneficial?

(Under plan A, Bill would earn $10,485.75.  Under plan B, he would earn only $200.00)

 

Extend – How many days does Bill have to work in order for plan B to be more beneficial? (14)

 

How much would Bill earn under each plan if he worked for 12 days?  15 Days?  25 days?

Joan noticed that the new leaves on the branch of a tree appeared in the same order as the fibbonacci numbers.  How many leaves will there be when the 11th set of new leaves appears?  (89)

Math:  Problem solving—Make a Table Strategy

 

Science:  Patterns

 

Language Arts:  Prepare an oral presentation explaining the different types of sequences.

 

Prepare a job interview simulating the problem situation.

 

Technology:  Use the calculator/computer in working on sequences.

 

 

 

 

Research:  Leonardo Fibbonacci

 

Science, Music:  Applications of the Fibbonacci sequence.

 

Art, Architecture:  Applications of the Golden Rectangle

 

 

 

 

 

 

 

 

 

 

 

 

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I

GREATEST

COMMON FACTOR

 

 

 

 

 

 

Euclidean

Algorithm

 

 

M.8.15

The students will find the greatest common factor of two or more numbers.

GCF

Methods

 A) list factors and identify common factors.  Choose greatest.

  B) Write prime factorization of each number.  Identify common prime factors and find their product.

Use the Euclidean algorithm to determine the GCF of larger numbers.

The eighth grade has 30 students; the seventh, 36.  What is the greatest number of students that can be put on a relay team if all participate?

Real-life problem solving:  a detective searches for common factors in order to solve a crime.

 

 

 

 

 

 

Research:   Euclid

 

 

 

 

SCOPE AND SEQUENCE

SKILL

OBJECTIVE

VOCABULARY

EXAMPLE

PROBLEM SOLVING EXAMPLE

CONNECTIONS, INTEGRATION

RESOURCES

NUMBER CONCEPTS

I – D -M

 

 

 

 

 

 

 

 

 

 

 

 

READING AND WRITING MATHEMATICAL SYMBOLS

M.8.16

The students will read and write mathematical symbols

Symbol

 

+,  -,  x,  ÷ =,  <,  >, ≤,  ≥,  ≠, ≈,  ~,  ,             ,  ,, , , ,

, —, …, ,  %,

√36, @,

˝-3˝, p, ·, ( ), [], { }

Provide practice using symbols in context.

Mary’s favorite foods included pizza, hamburgers, fries, and ice cream.

 

 

   ( M Ɛ      {    pizza,

hamburgers, fries, ice cream} )

 

 

M

 

 

 

 

 

 

 

COMPARING AND ORDERING NUMBERS

 

 

Whole numbers

 

Rational Numbers

M.8.17

Given real-life situations, the students will compare numbers

greater than

less than

equal

equivalent

1. Compare on number line: number to the right is always the greater number.

2. Use place-value chart to compare numbers.

3.  Using graph paper, create models of decimals to compare.

Items to compare:

  -sports’ statistics

  -gas mileage

  -barometric pressure

  -nutritional value of food

  -interest rates

Science:  data for astronomy and meteorology.

Social Studies:  distances on maps

Study Skills:  Reading charts, tables, etc.

Math:  Use bar graphs and line graphs to visualize statistical data.

 

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ORDERING NUMBERS FROM GREATEST TO LEAST AND VICE VERSA

M.8.18

Given a set of data, the students will order the data from least to greatest or from greatest to least.

Least / greatest

Order the following: from least to greatest:

5,  0.5, 0.55, 0.505, 50.

(0.5,  0.505,  0.55, 5, 50)

Order the following from greatest to least:

166,  16.6,  1.66, 1.6666.

(166,  16.6,  1.6666, 1.66)    

Compare the batting averages of the members of a major league baseball team.

Obtain the barometric pressure from the daily weather report for five days.  Order the readings from greatest to least.

Compare the nutritional data of several brands of cereal.

Language Arts:

Write a step-by-step plan for comparing decimals.

 

Technology:  Utilize software programs which compare decimals.

Mathematics, Social Studies, Science: Compare data using bar and line graphs.

(e.g. Stock market: Choose a stock.  Chart its progress for a week.)

 

 

 

NUMBER CONCEPTS 

 

SCOPE AND SEQUENCE

 

SKILL

 

OBJECTIVE

 

VOCABULARY

 

EXAMPLE

 

PROBLEM SOLVING EXAMPLE

 

CONNECTIONS, INTEGRATION

 

RESOURCES

 

 

NUMBER LINE

The students will use the number line as an aid in developing number sense.  (The number line is referred to under various topics in these guidelines.

 

M

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ROUNDING

WHOLE NUMBERS

AND DECIMALS

 

M.8.19

The students will round whole numbers and decimals to any place-value position.

 

Rounding

 

Round 53,769,211 to the nearest thousand.

 

(The digit nine is in thousands place.  The number immediately to the right is 2 which is less than 5, so 53,769,211 rounded to the nearest thousand is 53,769,000.

 

Round 4.0695 to the nearest hundredth:

(The digit 6 is in hundredths place.  The digit to the right is a nine.  4.0695 rounded to the nearest hundredth is 4.07)

 

Locate the depths of the world oceans in an atlas or almanac.  Round these numbers to the nearest thousand.  Order these from greatest to least.  Make a graph showing their relationships.

 

Mathematics:  measurement, estimating.

 

Real life Skills:  rounding money to the nearest dollar.

 

D - M

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D - M

 

 

 

 

 

 

POWERS AND

EXPONENTS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

POWERS OF TEN

M.8.20

The students will use powers and exponents in expressions.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

M.8.21

The students will identify the powers of ten.

factors

exponent

base

powers

cubed

squared

 

 

 

 

 

 

 

 

 

 

 

 

power of 10

Exponent  

100,000 =  10

                  base

Write 2ł  as a product.

(2ł=2·2·2)

        3 factors

Write   5·5·5·5           

Using exponents ( 5⁴)

Stress:  Any number written to the zero power is equal to 1:

10­˛=.01

10­ą=.1

10ş=1

10ą=10

Use a number line to show the relationships between powers (patterns of multiplying and dividing by 10).

Which of the following statements is correct:

A.       3˛=2ł

B.       4˛=2⁴

( B is correct.)

 

A.       9 ≠ 8

B.       16=16

 

 

 

 

 

 

 

Express a billion as a power of ten.  ( 10⁹ )

Science, Social Studies:  Use of larger numbers

 

NUMBER CONCEPTS

 

SCOPE AND SEQUENCE

 

SKILL

 

OBJECTIVE

 

VOCABULARY

 

EXAMPLE

 

PROBLEM SOLVING EXAMPLE

 

CONNECTIONS, INTEGRATION

 

RESOURCES

 

I – D -M

 

 

 

 

 

 

 

 

 

 

SCIENTIFIC

NOTATION

 

M.8.22

The students will express numbers as a product of a number  1 but less than 10 and a power of 10.

 

M.8.23

Very large and very small numbers will be expressed in scientific notation.

 

M.8.24

Numbers expressed in scientific notation will be translated to standard form.

 

scientific notation

standard notation

exponential   notation

 

2369 = 2.369 X 10ł

 

1.25 X 10 = 125,000

 

1.25 X 10ֿ˛ = 0.0125

 

Express the distances of the planets from the sun in scientific notation.

 

Science:  astronomy

 

 

Social Studies:

  Use of larger numbers in statistical data.

 

 

 

ESTIMATING

This material is to be reviewed and maintained from material presented at earlier levels.

 

 

RATIOS

This material is to be reviewed and maintained from material presented at earlier levels.

 

 

PROPORTION

This material is to be reviewed and maintained from material presented at earlier levels.

 

 

PERCENTAGE

This material is to be reviewed and maintained from material presented at earlier levels.

 

 

 

 

 

 

 

 

 

 

 

NUMBER CONCEPTS

 

SCOPE AND SEQUENCE

 

SKILL

 

OBJECTIVE

 

VOCABULARY

 

EXAMPLE

 

PROBLEM SOLVING EXAMPLE

 

CONNECTIONS, INTEGRATION

 

RESOURCES

 

I – D - M

 

NATURAL

NUMBERS

 

 

INTEGERS

 

 

RATIONAL

NUMBERS

 

 

IRRATIONAL

NUMBERS

 

 

REAL NUMBERS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

M.8.25

The students will identify and classify numbers in the real number system:

 

Use a Venn Diagram to illustrate Real Numbers.

 

Classify the following numbers:

 

+6,  -2.3,  /5, p,  0.16

 

 

Note the use of   with irrational numbers.  E.g.  whenever p is used, the approximation sign is used rather than the = sign.

 

Find the whole numbers whose square root is between 5 and 6.

 

(26, 27, …….35)

 

Logical Reasoning skills:

 

Have the students explain the following statements:

 

Every rational number is a real number.

 

Every natural number is a whole number.

 

Not all real numbers are integers.

 

Some real numbers are rational numbers.

 

All irrational numbers are real numbers.

 

It is very important that students have a clear understanding of this concept.  Thorough development, extensive practice, and continued maintenance are necessary.

 

 

 

 

 

OTHER SETS OF NUMBERS

 

 


Note:   The students should have continued practiced graphing Natural Numbers, Whole Numbers, Integers, Rationals and Reals on the real

 number line as follows:

 

                Natural numbers, whole numbers and integers are graphed with a dot at the number mark itself:

 

                        N > 3

               

    ß------|------|------|-----|------|-----o---|------|-----------------ŕ

                                                -2     -1      0       1       2       3       4       5

 

 

 

                       

                        H < 4

 

 

   ß---|-------|------|------|-----|-- ----|--- --|------|------o-------|-------ŕ

                                                          -4      -3         -2     -1      0       1       2       3       4       5

                       

 

 

 

 

                        H < 2

 

    ß------|------|-----|------|------o------|-- ----|------|-------ŕ

                                                -2     -1      0       1       2       3       4       5

 

 

 

Any number that is greater than or equal to or less than or equal to is graphed with a closed circle at the beginning of the arrow.

 

 

 

 

 


OPERATIONS

 

SKILL

OBJECTIVE

VOCABULARY

EXAMPLE

PROBLEM

SOLVING

EXAMPLE

CONNECTIONS,

INTEGRATION

RESOURCES

USE CONCRETE OBJECTS TO MODEL OPERATIONS

Manipulative materials –connecting cubes, blocks centimeter cubes, beans, etc.  should be used frequently when modeling concepts.

 

Understanding is built when skills are presented following the concept continuum.

OPERATIONS INTRODUCED AND DEVELOPED IN PROBLEM SOLVING CONTEXT

 

When operations are presented, it is important to give purpose to the learning by presenting the material in a problem-solving / real life context.

Equations should never be presented in isolation until mastery has occurred.

USE SYMBOLS FOR OPERATIONS

 

Refer  to “symbols” in Readiness and Number Concepts section of these guidelines.

ADD SINGLE-DIGIT AND MULTI-DIGIT NUMBERS

 

Review and maintain material presented at earlier levels.  Extend through millions.  Students should make frequent use of the calculator to check

material which they have already mastered.

PROPERTIES OF OPERATIONS

 

Review the following properties of operations:

 

Properties

                                               +                                            X

 

 

Commutative

                                                                  a + b = b + a

                         

                                                                                                       ab = ba

 

Associative

 

                                                      (a + b) + c = a + (b + c)

 

                                                                                                     (ab)c = a(bc)

 

 

Identity

 

                                                        a + 0 = a

 

                                                                                                     1·   a = a

 

 

Distributive

 

           ab + ac = a (b + c)

 

Apply these properties to each set of numbers:  Natural, Whole, Integers, Rational and Real.

 

         

 

ESTIMATION

 

     SUMS

     DIFFERENCES

     PRODUCTS

     QUOTIENTS

 

 

Estimation in all operations and with all sets of numbers should be reviewed and maintained.  Estimation is a key skill and should be interwoven into every lesson involving operations.

 

 

 

 

 

 

OPERATIONS

 

SCOPE AND SEQUENCE

 

SKILL

 

OBJECTIVE

 

VOCABULARY

 

EXAMPLE

 

PROBLEM SOLVING EXAMPLE

 

CONNECTIONS, INTEGRATION

 

RESOURCES

I - D

 

 

 

 

 

 

 

 

OPERATIONS WITH POWERS AND EXPONENTS

M.8.26

The students will learn that when multiplying the same base number, the operation can be simplified by adding the exponents; when dividing by the same base number, the operation can be simplified by subtracting the exponents.

  power

  exponent

  base

6˛·6⁵=6⁷

 

 

4⁹    = 4ł

4⁶      

 

Technology

 

Computer programs dealing with numbers and bases.

 

 

 

M

 

 

 

 

 

 

 

 

 

 

INTERPRET REMAINDERS

M.8.27

The students will interpret the remainder in a division problem and will decide whether the remainder should be written as a fraction or a decimal or whether the answer should be rounded up or rounded down.

remainder

 

Forty-seven computers are available for use in 15 classrooms.  About how many computers will each classroom have?

(Using a decimal or fraction does not make sense.)

 

$63.00 was divided among five students.  How much will each receive?

Rounding the decimal to hundredths place makes the most sense.

Language Arts

 

Have the students create their own original word problems requiring reasonable answers.  Have them conduct a newspaper scavenger hunt for situations which require exact numbers.

 

 

D - M

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SQUARE  ROOT

M.8.28

After comprehending the concept of square root, the students will find the square root of a number in one of two ways:

1)       Estimation

2)       Calculator

 

Recognize perfect squares

square root

 

radical sign

Estimation:

To find the square root of 2369:

 

Calculator:

 

Identify the radical symbol on the calculator.  Teach the correct sequencing of keys for determining the square root.

 

Note:  It is important that the students make use of the calculator for problem-solving.

 

The Scouts packed 4096 cans of food in cartons.  The number of cans in each carton equaled the number of cartons they packed.  How many was this?

 

Pythagorean Theorem:

+ =

 

Math: 

Pythagorean theorem, estimation, problem solving.

 

 

 

 

OPERATIONS

 

 

VOCABULARY OF OPERATIONS

 

 

Students should read, write, and speak using the correct mathematical vocabulary.   Provide ample opportunity during each lesson for the students to become aware of the vocabulary and to use it.  Avoid expressions such as “timesing numbers” instead of multiplying, etc.

 

APPLICATION OF OPERATIONS TO OTHER SETS OF NUMBERS

 

 

SCOPE AND SEQUENCE

 

TOPIC

 

OBJECTIVE

 

VOCABULARY

 

EXPLANATION/EXAMPLE

 

CONNECTIONS

 

RESOURCES

 

 

 

 

 

D - M

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RATIONAL

NUMBERS

 

FRACTIONS

 

DECIMALS

 

INTEGERS

 

 

 

 

 

 

M.8.29

The students will apply previously learned skills to rational numbers and will extend these skills to larger and smaller numbers:

 

 

 

 

 

 

 

 

 

Operations

Properties

 

 

 

 

 

 

 

Addition, Subtraction, multiplication and division applied to rational numbers.

 

Apply properties to all sets of numbers.

 

 

 

 

 

 

Problem-solving with all operations and in all sets of numbers (except irrational).

 

 

 

 

 

 

Multiple applications in all content areas and in many aspects of real life.

 

 


 

PROBLEM SOLVING

 

 

SCOPE AND SEQUENCE

 

TOPIC

 

OBJECTIVE

 

VOCABULARY

 

EXPLANATION/EXAMPLE

 

CONNECTIONS

 

RESOURCES

 

M

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

USE A PLAN FOR PROBLEM SOLVING

 

M.8.30

The students will use a 4/5 – step plan for problem-solving

 

Understand

Plan

Do

Check

Answer Statement

 

 

 

strategy

 

 

Understand:

     What is known?

     What must be found out?

     are there any hidden

     Questions?

     Do I need an estimate or

     an exact answer?

 

Plan:

     Choose a strategy. (A

     procedure to follow in

     solving the problem.)

 

  • Alert!!!  Addition, Subtraction, Multiplication and Division are operations not  strategies.  An operation is not a plan in itself, but a means to carry out a plan.

Do:

     Carry out the plan.

Check:

 Is the answer reasonable?

Does it answer the given question?

If an operation was used to carry out a plan, use its complement to check the computation.

Check using an alternate strategy.

 

Answer Statement:

     Re-phrase the question in terms of an answer statement.

 

Language Arts

 

Reading Comprehension

Reading for main ideas and details

Declarative and Interrogative sentences

 

Study Skills

Mapping, outlining

Following directions

Logical reasoning

Decision making

Critical thinking skills

 

Science:  Scientific Method

 

Research:  George Polya, Mathematician

 

A Problem Solving Chart listing the steps in the problem-solving method would benefit students.

 

 

PROBLEM SOLVING

 

SCOPE AND SEQUENCE

 

SKILL

 

OBJECTIVE

 

VOCABULARY

 

EXAMPLE

 

PROBLEM SOLVING EXAMPLE

 

CONNECTIONS, INTEGRATION

 

RESOURCES

M

USE VOCABULARY AS A CLUE

M.8.31

While using vocabulary as an aid in problem-solving, the students will be careful to understand the complete meaning of the problem and its question prior to finding a solution.

23,458 people were in attendance at the Phillies game.  2,347 started home when the rain began and another 4,541 went when a rain delay lasted over an hour.  How many people left before the game was over?

Language Arts

vocabulary development

 

M

 

USE PICTURES AND MAPS AS A CLUE

M.8.32

The students will continue to use pictures and maps as clues to problem-solving and will apply these skills at a higher level.

Use pictures and maps from Social Studies and Science texts to develop original problems.

Social Studies

map reading skills

 

D – M

USE GRAPHS, CHARTS AND TABLES AS AIDS IN PROBLEM SOLVING

M.8.33

The students will use graphs, charts, and tables as aids in problem-solving.

circle graph

bar graph

line graph

histogram

time table

scatter plot

box-and-whisker plot

On a farm there are chickens and cows.  There are 50 heads and 100 legs.  How many of each animal are there?

 

(10 chickens and 40 cows)

Math

   Statistics, Graphing

 

D – M

RECOGNIZE PROBLEMS WITH NOT ENOUGH INFORMATION OR TOO MUCH INFORMATION

 

M.8.34

The students will recognize too much / too little information in a problem.

 

 

 

 

 

 

Too little information:  Mike bought three tapes on sale.  How much did he spend?

 

Too much information:  Sally paid for the tapes she bought with a $20 bill.  If she paid $7.98 for each of the two tapes she bought, how much did she spend?

Reading

 

reading for details.

 

 

 

 

USE CONCRETE OBJECTS TO MODEL A PROBLEM

 

Whenever possible, concrete objects should be used to model problem-solving.

 

SCOPE AND SEQUENCE

 

 

 

 

M

 

 

 

 

M

SKILL

 

 

 

 

 

 

USE  PROBLEM-SOLVING STRATEGIES

   ACT OUT THE

   PROBLEM

 

 

GUESS AND   CHECK

 

OBJECTIVE

 

 

 

 

 

 

M.8.35

By acting out a problem-solving situation, the students will reach a solution.

 

M.8.36

The students will use the guess and check strategy to solve a problem.

VOCABULARY

 

 

 

 

 

 

 

strategy

 

 

 

 

 

 

guess and check

 

EXAMPLE                                       PROBLEM SOLVING EXAMPLE

 

 

 

 

 

Five children trade baseball cards once with each other.  What is the total number of cards traded?  (10)

 

 

 

 

 

The sum of three consecutive odd numbers is 63.  What are the numbers?

 

( 19, 21, 23 )

 CONNECTIONS,

INTEGRATION

 

 

 

 

 

 

Real Life

 

Find careers in which employees act out problem situations

RESOURCES

D - M

SELECT AN OPERATION

M.8.37

The students will solve problems using an equation; they will select an operation and will formulate an equation.

operation

 

equation

25% of the chances for the Christmas Bazaar were sold.  If  750  were sold, how many chances were available?

 

       0.25n  =  750

 

                      n  =  3000 

 

Math   -  percentage,

               pre-algebra

 

M

CHOOSE A CALCULATION METHOD

M.8.38

The students will decide whether to use mental math, pencil  and  paper  or a calculator to solve an equation

 

Mr. Stolzer marked five notebooks each day.  In a 20  day school month, how many notebooks did he mark?   (Mental Math)

Carol made 4 wreaths on Monday, 6 on Tuesday, 2 on Wednesday, none on Thursday, and 8 on Friday. How many wreaths did she have at the end of the week?  (Mental math or pencil and paper).

A plane traveling at a rate of 375 mph lands 17 hours and 30 minutes after takeoff.  How far did it travel? 

( 6562.5 miles)  Calculator

Technology -- use of calculator

 

 

 

 

 

 

 

 

 

 

 

 

 

 
PROBLEM SOLVING

 

SCOPE AND SEQUENCE

 

SKILL

 

OBJECTIVE

 

VOCABULARY

 

EXAMPLE

 

PROBLEM SOLVING EXAMPLE

 

CONNECTIONS INTEGRATION

 

RESOURCES

D - M

USE MATH SENSE TO SOLVE A PROBLEM

M.8.39

After reading a problem, the students will decide what type of problem it is and will select an appropriate strategy

pattern

 

working backward

 

simplify

Mike caught 2 fish on Monday, 4 on Tuesday, 8 on Wednesday, etc.  Following this pattern, how many did he catch on Saturday?  (64)

 

 

I am thinking of a number.  If I increase it by 10 and then subtract 12,  I get 12.  What is the number?  (14)

 

How many cuts are needed to separate a board into 14 smaller parts?    (13).

 

 

          Think:   cut  into 4 parts

                            

 

            Always  one  less.

Math :  Prime and composite numbers.

 

 

 

Study Skills

 

Classifying information

 

 

D - M

SOLVE PROBLEMS WITH MORE THAN ONE STEP

M.8.40

The students will solve multi-step problems

 

Mrs. Shopright made the following purchases at the local K-Mart during their recent 99 cents sale:  2 bottles of dish detergent, 4 jumbo-sized rolls of paper towels, 3 bags of potato chips and 2 cans of iced tea mix.  How much did she spend?  What was the amount of tax she paid?  For what items did she pay tax? 

Real-life skills:

taxable items, rate of sales tax

 

 

D - M

 

 

USE LOGICAL REASONING

M.8.41

The students will use logical reasoning to solve a problem.

Logical reasoning

Solve the following:   each letter stands for one digit and each digit has only one letter value.

 

          TA + T = AYY

          91 + 9 = 100

Puzzles, games, logical reasoning puzzles

 

 

D - M

SOLVE PROCESS PROBLEMS

 

M.8.42

The students will understand that some problems can best be solved without writing an equation;  they will use a variety of problem-solving strategies to solve problems.

 

Refer to problem solving strategies, logical reasoning, Use math sense for examples of non-routine problems.

 

 

 

 

 

D - M

CHECK REASONABLENESS OF ANSWER

M.8.43

The students will check for the reasonableness of an answer to a problem.

Refer to steps in Problem Solving – Check Answer

 

D

FORMULATE ORIGINAL WORD PROBLEMS

M.8.44

The students will formulate original word problems based on content of lesson.

Frequently ask students to write original word problems related to skills presented.  This helps students to develop communications skills as well as to deepen understanding of the skill presented.  It helps the teacher to determine students’ level of comprehension of the skill presented.

 

 

 

MENTAL MATHEMATICS

 

SCOPE AND SEQUENCE

TOPIC

OBJECTIVE

VOCABULARY

EXAMPLE

PROBLEM-SOLVING EXAMPLE