Factors & Multiples Study Guide

Define a prime number

Tags

CCSS.4.OA.B.4

Define multiple:

A number is always a multiple of its

List the factor pairs of 30:

• 1, 30; 2, 15; 3, 10; 5, 6

• 1, 2, 3, 5, 6, 10, 15, 30

• 1, 2, 5, 3, 6

• 60, 90, 120, 150

Tags

CCSS.4.OA.B.4

List the factor pairs of 81:

• 81, 162, 243

• 1, 2, 3, 9, 81

• 1, 81; 9; 3, 27

• 1, 81; 9

Tags

CCSS.4.OA.B.4

Is 2 a multiple of 7?

• yes

• no

Is 14 a multiple of 7?

• yes

• no

Is 81 a multiple of 7?

• yes

• no

Tags

CCSS.4.OA.B.4

Is 70 a multiple of 7?

• yes

• no

Tags

CCSS.4.OA.B.4

Is 31 prime or composite?

• prime

• composite

Tags

CCSS.4.OA.B.4