Integer Operations

Adding

100

9 + 12

21

200

-8 + 13

5

300

-24 + (-6)

-30

400

-80 + (-22)

-102

500

64 + (-88)

-24

Subtracting

100

15 - 6

9

200

-10 - 10

-20

300

45 - 57

-12

400

12 - (-26)

38

500

-61 - (-12)

-49

Multiplying

100

2 * 7

14

200

-4 * -3

12

300

-3 * 5

-15

400

8 * (-11)

-88

500

2 * (-4) * 3

-24

Dividing

100

28 / 7

4

200

-8 / -2

4

300

-27 / 3

-9

400

77 / (-7)

-11

500

64 / (-8)

-8

Fact Families

100

Find n for

3 * (-2) = n

n = -6

200

Find n for

-4 + (-9) = n

n = -13

300

Find n for

n + (-2) = 9

n = 11

400

Find n for

12 * n = -60

n = -5

500

Find n for

-48 / n = -8

n = 6