Unit 8 (6th Grade Basics)

Integer +/-

100

6 + 2

8

200

9 - 10

-1

300

-5 - 13

-18

400

-7 + -18

-25

500

-38 - -23

-15

Integer x/divide

100

5 x 7

35

200

-18 divided by 2

-9

300

-7 x -3

21

400

2 x -15

-30

500

-36 divided by 12

-3

Distributive Property

100

2(5x + 3z)

10x + 6z

200

4(10x + 4z)

40x + 16z

300

7(x + 6z)

7x + 42z

400

9(4x - 6z)

36x - 54z

500

12(4x - 6z)

48x - 72z

Equations +/-

100

x + 7 = 14

x = 7

200

25 = x - 14

x = 39

300

x + 27 = -4

x = -31

400

-6 = -3 + x

x = -3

500

43 - x = 57

x = -14

Equations x/divide

100

4x = 48

x = 12

200

x/2 = 16

x = 32

300

32/x = 8

x = 4

400

15x = 45

x = 3

500

x/25 = 5

x = 125