Expressions

Combine Like Terms

100

a + a + a + a + b + b + 2b

4a + 4b

200

8a + 15a + a + 9

24a + 9

300

2xy + 3x + 4y + 2x

2xy + 5x + 4y

400

m + 5(4n + 5m) + 6n

26m + 26n

500

5(x + 7) + 3x

8x + 35

Distributive Property

100

7(3a+2b)

21a + 14b

200

5(x - 12)

5x - 60

300

9 + 2g + 10(4g + 1)

19 + 42g

400

6( 11a + 5a + 11)

96a + 66

500

12 ( 3a - 4 + 7a + 11b)

120a - 48 + 132b

Evaluate Expressions

100

If a = 7, evaluate the following: 2a - 2

12

200

If r = 6 and s = 4, evaluate the following: 2r/s

3

300

If y = 4, and z = 10, evaluate the following: z(3 + y)

70

400

If a = 3, b= 4 and c = 5, evaluate the following: a(b + c) - a

24

500

If a = 3, b = 5 and c = 11, evaluate the following: 3c - ab

18