# 6th - 1.10 GCF and LCM (Purple)

ID: sosoh-tuhon

Rita Belka, BP BY-NC

Subject: Math (General)

Grade: 6

PreviewAnswer Key

12 questions

# 6th - 1.10 GCF and LCM (Purple)

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List the multiples to find the **LCM (Least Common Multiples)** of each set of numbers. Write in the **LCM**.

1) 5 and 10

2) 2 and 3

3) 6 and 8

4) 8 and 10

Using** Prime Factorization** to find the **GCF** and **LCM** of each set of numbers.

5) What is the** GCF** 18 and 30

Show Work

6) What is the** LCM **15 and 21

Show Work

7) What is the** GCF**16 and 42

Show Work

8) What is the** LCM **24 and 72

Show Work

9) What is the** GCF 8** and 56

Show Work

10) What is the** LCM 35** and 45

Show Work

Use Order of Operations to solve the following. Show all work.

11) $(25\ \div\ 5)\ +\ 3^{2}\ \times\ 3$

Show Work

12) $(2\ \times\ 4)^{2}\ +\ (8\ -\ 6\ \div\ 2)$

Show Work