Divisibility by 10 (1147)

Teaching Notes

Easiest rule to learn. Connect to place value.

Vocabulary

Divisible: Can be divided with no remainder.

Digit: A single symbol used to write numbers.

Common Mistakes

• None usually
• Confusing with other divisibility rules
• Not checking the ones digit
• Incorrectly identifying multiples
• Misunderstanding 'divisible by'

Differentiation

Discussion Questions

• If a number is divisible by 10, is it also divisible by 5? By 2?
• What is a 'divisible' number?
• What makes a number a multiple of 10?
• How does place value help with this rule?
• Can a number be divisible by 10 but not 5?

Extension Activities

• Find numbers divisible by 2, 5, and 10.

Parent Tip

Ask your child to count objects in groups of 10.

Skill Cluster

Number Sense & Operations

Estimated Time

5 minutes

Skills Practiced

Prerequisites

• 1146
• Place Value to Hundreds
• Multiplication by 10

Next Steps

• Divisibility by 2
• Divisibility by 5
• Divisibility by Other Numbers
• Multiples of 10
• Factors and Multiples