Unit 3 Review

Exponents and prime factorization

100

write 4 x 4 x 4 x 4 x 4 as an exponent

4⁵

200

evaluate 5³

125

300

What is the prime factorization of 20

2 x 2 x 5 or 2² x 5

400

What number has a prime factorization of 3 x 3 x 5

45

500

What is the prime factorization of 63

3 x 3 x 7 or 3² x 7

Writing/Evaluating expressions

100

9 more than 5 times a number g 

9 + 5g

200

How many terms are in the expression 3x - 5y + r/10

3

300

evaluate (s + 3d)² for s=3, d=1/3

16

400

evaluate 8 + 15/r for r=3

13

500

evaluate x³ + 6y - z² for x=2, y=5, z=1

37

GCF andLCM

100

find the gcf of 12 and 18

6

200

find the lcm of 4 and 10

20

300

find the gcf of 30 and 45

15

400

find the lcm of 6 and 7

42

500

find the gcf of 24 and 36

12

Distributive property

100

simplify 4(x - 2)

4x-8

200

simplify 5(2x + 3)

10x + 15

300

simplify 4(x + y +7)

4x + 4y + 28

400

rewrite using the distributive property 2x + 18

2(x+9)

500

rewrite using the distributive property 35y - 50

5(7y - 10)

Combine like terms

100

4x + 6 - x

3x + 6

200

4x + 2 + 7y - 3x + 4

x + 6 + 7y

300

3x² + 8x - 2x² - 5x

x² + 3x

400

2c + 4(c + 4)

6c + 16

500

5w² - 6 + 5t + 8 - 2w² + 3(t + 1)

3w² + 5 +8t