6th Grade Chapter 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.

600

Find the Greatest Common Factor (GCF) of: 25 and 75.

The GCF is 25.

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.

600

Find the Least Common Multiple (LCM) of: 6 and 9.

The LCM is 18.

Order of Operations (PEMDAS)

100

24 ÷ 3 × (4 - 3) + 7 = ?

What is 15?

200

5 x (7 -2) + (8+1) = ?

34

300

3 x (3 + 3) - 3 = ?

15

400

(21 - 3) - 3² + 7 = ?

16

500

2(7 − 5)  × (3 + 10) = ?

52

600

(8 - 4) x (3³ - 2) = ?

100

Prime Factors

100

8

2x2x2

200

30

5x2x3

300

45

5x3x3

400

36

3x3x2x2

500

50

5x5x2

600

44

11x2x2

Exponents

100

3² = ?

9

200

4³ = ?

64

300

2² =?

4

400

4² = ?

16

500

5³ =?

125

600

7³ = ?

343