integer

INTEGERSINTEGERSWrite an integer to represent each situation:

1. 10ºC above 0ºC

2. 30ºC below 0ºC

3. Loss of 15 points

4. Gain of 20 point

5. 500 m under sea level

6. 3000 m above sea level

7. Deposit Rp 25.000

8. Withdraw Rp 5.000

9. Move 9 steps forward

10. Move 12 steps backward

- 10

- 30

- 15

+ 20

Write an integer to represent each situation:

1. 10ºC above 0ºC

2. 30ºC below 0ºC

3. Loss of 15 points

4. Gain of 20 point

5. 500 m under sea level

6. 3000 m above sea level

7. Deposit Rp 25.000

8. Withdraw Rp 5.000

9. Move 9 steps forward

10. Move 12 steps backward

+ 20

- 500

+ 3.000

+ 25.000

- 5.000

+ 9

- 12

INTEGERSINTEGERS

Number line

Ø Integers are the set of whole numbers and their opposite

Ø Whole numbers greater than zero are called positive integer

Ø Whole numbers less than zero are called negative integer

Ø The integer zero is neutral. Neither positive nor negative

INTEGERSINTEGERS

Find the opposite of each integer

1. 5

2. -19

3. -100

4. 44

5. 12

6. -½

-5

+19

+100

Find the opposite of each integer

1. 5

2. -19

3. -100

4. 44

5. 12

6. -½

+100

-44

-12

+½

INTEGERSINTEGERS

Use number line to represent an integer

a. +7+7

b. -5-5

INTEGERSINTEGERS

+10+10

-6-6

+9+9

-14-14

INTEGERSINTEGERS

+10+10

-8-8

Draw number line to represent each integer below

1. +6

2. -11

3. +18

4. -7

5. -15

PRACTICEPRACTICE

Draw number line to represent each integer below

1. +6

2. -11

3. +18

4. -7

5. -15

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