Mixed Review

Addition

100

9 + 4 = 

13

200

 Y + 47 = 90

Y = 43

300

87 + U = 99

U = 12 

400

5y + 10 = 50

y = 8

500

4y + 16 = 64

y = 12

Subtraction

100

10 - 3 =

7

200

H - 50 = 75

H = 125

300

K - 39= 15

k = 54

400

8r - 13 = 59

r = 9

500

9h - 29 = 61

h = 10

Combining Like Terms

100

2r + 5r =

7r

200

5y + 12 + 3y = 

8y+ 12

300

33 + 7g + 7 + 3g

40 + 10g

400

2a + 6 + 5b + 7a + 10b + k

9a + 6 + 15b + k

500

-5 + 12a - 3 - 10a + 4b + 5a 

-8 + 7a + 4b

Exponents

100

2²

4

200

6^2

36

300

10³ in expanded form

10 x 10 x 10

400

Simplify

3² . 3⁴ = 

3⁶

500

Simplify 

6⁸ / 6⁵ =

6³

Distributive Property

100

5(2a + 3)

10a + 15

200

2(6 + 3g)

12 + 6g

300

8(3z + 2)

24z + 16

400

10(7 + y)

70 + 10y

500

11(8y - 3)

88y - 33