# Divisibility rules

### Divisibility rules

Had enough of listening to rules at home and at school? Well, we promise we won't give you too many! In this section, we will be using a set of divisibility rules to find the factors of whole numbers. These divisibility rules allow us to determine whether a given number is divisible by numbers two through ten by examining the digits of the number.

#### Lessons

• Introduction
a)
What are the divisibility rules?

• 1.
Circle the numbers below that are divisible by 2 and underline the numbers that are divisible by 5
 84 23 70 11 92 59 60 24 37

• 2.
Circle the numbers below that are divisible by 10 and underline the numbers that are divisible by 3
 63 99 90 60 24 102 10 71 75

• 3.
Samantha sorted her toys by type into 6 containers. Then she counted how many toys of each type that she had and created the table below. Circle the numbers that are divisible by 6 and underline the numbers that are divisible by 4.
 Toy Number Stuffies 16 Dolls 124 Barbies 56 Ferbies 22 Marbles 332 Plastic toys 24