Beginning of Topic 3 Review

3-1: Exponents

100

Name the base number in the following power: 3⁵

3

200

Name the exponent in the following power: 7²

2

300

Evaluate the following power: 5³

125

400

1/3³ (one third to the power of 3)

1/27

500

1.5 x 10⁶

1,500,000

3-2: GCF, LCM

100

What is the name for a number whose only factors are 1 and itself?

prime number

200

Find the prime factorization (hint: use factor tree) of 30

2, 3, 5

300

Find the GCF of 45 and 60

15

400

What is the LCM of 4 and 9?

36

500

Find the GCF of 25 and 48

1 (no other common factors)

3-3: Order of Operations

100

5² - 9 ➗ 3

22

200

8 + 6 - 2 x 2 - 3²

1

300

4² ➗ [(3.2 x 2) + 1.6]

2

400

Rewrite and add grouping symbols so that the expression has a value of 29: 12 x 2² - 18.4 + 0.6

12 x 2² - (18.4 + 0.6)

500

Rewrite and add grouping symbols so that the expression has a value of 23: 5² - 0.2 x 8 + 12 x 0.5

5² - 0.2 x (8 + 12) x 0.5