GCF & LCM REVIEW 7th graders HOOK

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.

Absolute Value

100

∣7∣ + ∣−3∣

10

200

∣−12∣ − ∣4∣

8

300

5× ∣−6∣

30

400

∣−20+7∣

13

500

∣4−9∣ + ∣−2∣

7

Order of Operations

100

18÷(3×2)+42

45

200

(25−52)+12÷3

-23

300

6×[10−(3+5)]

12

400

48÷(23)+(9−4)×2

16

500

(30−18)÷(2+1)+72

76

Exponents

100

3² = ?

9

200

4³ = ?

64

300

2² =?

4

400

4² = ?

16

500

5³ =?

125