Integer Review

Adding

100

16 + 21

37

200

-5 + -9

-14

300

42 + -12

30

400

-13 + 6

-7

500

Ms. Sarah is digging a hole for a tree. She dug 44 inches into the ground on Tuesday. Today she will dig another 16 inches into the ground. How many inches into the ground did she dig?

-44 + -16 = -60 inches

She dug 60 inches into the ground. 

Subtracting

100

40 - 22

18

200

8 - 20

-12

300

9 - - 10

19

400

-4 - -9

5

500

Millie and Noah are playing basketball shoot out. Millie scored +7 points and Noah scored -3 points. What is the difference in their scores?

7 - -3 = 10 points.

Multiplying

100

4 x 8

32

200

-3(5)

-15

300

-8 x -2

16

400

(-10)(6)

-60

500

Mark is losing 3 pounds of weight per week. How much weight did he lose after 8 weeks?

-3 x 8

-24

Mark lost 24 pounds.

Dividing

100

42/7

6

200

15/-5

-3

300

(-22)/-11

2

400

(-45)/9

-5

500

The bill between friends was $90. If the bill was split evenly between 5 friends, how much did each friend pay?

-90/5 = -$18

Each friend paid $18.

Integers Mystery

100

Compare using < or >.

5 ___ -10

>

5 > -10 

"is greater than"

200

Compare using < or >.

-60 ____ -72

>

-60 > -72

"is greater than"

300

Put the integers in order from LEAST to GREATEST

14, -3, 0, 1, -12, 9, -2

-12,-3,-2,0,1,9,14

400

Put the integers in order from LEAST to GREATEST.

-6, 22, -22, 0, 4, -9, 34

-22,-9,-6,0,4,22,34

500

Jane has a credit card balance of $56. She makes a $45 payment. Then she spends $77. What is the balance of her credit card?

-56 + 45 - 77

-$88