Adding
Subtracting
Multiplying
Dividing
100

16 + 21

37

100

40 - 22

18

100

4 x 8

32

100

42/7

6

200

-5 + -9

-14

200

8 - 20

-12

200

-3(5)

-15

200

15/-5

-3

300

42 + -12

30

300

9 - - 10

19

300

-8 x -2

16

300

(-22)/-11

2

400

-13 + 6

-7

400

-4 - -9

5

400
(-10)(6)

-60

400

(-45)/9

-5

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. 

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.

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.

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.

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