Unit 1 Review

Greatest Common Factors

100

Find the Greatest Common Factor (GCF) of: 4 and 8.

The GCF is 4.

200

Find the Greatest Common Factor (GCF) of: 15 and 35.

The GCF is 5.

300

Find the Greatest Common Factor (GCF) of: 21 and 28.

The GCF is 7.

400

Find the Greatest Common Factor (GCF) of: 22 and 77.

The GCF is 11.

500

Find the Greatest Common Factor (GCF) of: 30 and 50.

The GCF is 10.

Least Common Multiples

100

Find the Least Common Multiple (LCM) of: 12 and 4.

The LCM is 12.

200

Find the Least Common Multiple (LCM) of: 6 and 7.

The LCM is 42.

300

Find the Least Common Multiple (LCM) of: 3 and 9.

The LCM is 9.

400

Find the Least Common Multiple (LCM) of: 25 and 75.

The LCM is 75.

500

Find the Least Common Multiple (LCM) of: 2 and 5.

The LCM is 10.

Exponents

100

Which number is the base?

56³

56

200

Write the exponent as an expression:

4³

4 x 4 x 4 

300

Evaluate:

7³

343

400

Evaluate the expression:

12² - 100

44

500

12³

1,728

Evaluating Expressions w/ Exponents

100

8² - 4³

0

200

5 * 2³

40

300

27 ÷ 3³

3

400

5³ + 6³

341

500

(21 - 3) - 3² + 7 = ?

16

Random

100

List the factors of 24

1, 2, 3, 4, 6, 8, 12, 24

200

24²

576

300

Find the prime factorization of 54

54 = 2 x 3 x 3 x3

400

What are the two numbers that are neither prime nor composite?

0, 1

500

Solve the given root ∛343

7