6th - 1.10 GCF and LCM (Purple)

ID: sosoh-tuhon
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Avatar for Rita BelkaRita Belka, BP BY-NC
Subject: Math (General)
Grade: 6
Assignment Type: Practice
WorksheetAnswer Key

Practice | 12 questions (12 autogradable) | 12 points

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


6.

What is the LCM 15 and 21


7.

What is the GCF16 and 42


8.

What is the LCM 24 and 72


9.

What is the GCF 8 and 56


10.

What is the LCM 35 and 45


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

11.

(25 ÷ 5) + 32 × 3(25\ \div\ 5)\ +\ 3^{2}\ \times\ 3


12.

(2 × 4)2 + (8  6 ÷ 2)(2\ \times\ 4)^{2}\ +\ (8\ -\ 6\ \div\ 2)