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Review Chapter. Weerawattk.wordpress.com. Read each of the following in words. 38. thirty-eight. -72. negative seventy-two. 691. Six hundred and ninety-one. Read each of the following in words. -745. negative hundred seven and forty-five. 2813. two thousand eight hundred

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Review Chapter

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Review chapter

Review Chapter

Weerawattk.wordpress.com


Review chapter

Read each of the following in words.

38

thirty-eight

-72

negative seventy-two

691

Six hundred and ninety-one


Review chapter

Read each of the following in words.

-745

negative hundred seven and forty-five

2813

two thousand eight hundred

and thirteen

-3254

Negative three thousand two hundred

and fifty-four


Review chapter

Integer

1,2,3,4,5,…

positive integer

-1,-2,-3,…

negative integer

2,4,6,8,…

even number


Review chapter

Integer

1,3,5,7,…

odd number

2,3,5,7,11,…

prime number

number line


Review chapter

To compare numbers we use the following symbols

Seven is greater than three.

Seven eight and nine are greater than or equal to seven.

two is less than nine.

One two and seven are less than or equal to seven.

seven is equal to seven.


Review chapter

(

0, -4, -2, 5, 3

Arrange the following sets of integers in descending order.

Arrange the following sets of integers in

ascending order.

5, 3, 0, -2, -4

-4, -2, 0, 3, 5


Review chapter

HCF: Highest Common Factor

Find the HCF of 12 and 32

The highest common factor (HCF)of 12 and 32 is 4.

Find the HCF of 12 ,32 and 18

The highest common factor (HCF)of 12 ,32 and 18 is 2.


Review chapter

LCM: Lowest Common Multiple

Find the LCM of 12 and 32

The lowest common multiple (LCM)of 12 and 32 is 96.

Find the LCM of 18 ,45 and 6

The lowest common multiple (LCM)of 18 ,45 and 6 is 180.


Addition subtraction multiplication and division of integer

Addition subtraction Multiplication and Division of integer

The University of Texas at Dallas


Introduce symbols

+

plus

-

minus

x

times

Introduce symbols

divided by


Review chapter

(1) -1 + 3

=2

Negative one plus three is equal to two.

(2) (-6) + (-3)

=-9

Negative six plus negative three is equal to

negative nine.


Review chapter

(3) -12 – (-3)

=- 9

Negative twelve minus negative three is equal to

negative nine.

(4) 7 - (-2)

= 9

Seven minus negative two is equal to nine.


Review chapter

(5) -10 x 3

=-30

Negative ten times three is equal to negative thirty.

(6) 15  (-3)

=-5

Fifteen divided by negative three is equal to

negative five.


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