Divisibility by 2

Teaching Notes

Focus on the last digit rule.

Vocabulary

Divisible: Can be divided by a number without a remainder.

Even Digit: Digits 0, 2, 4, 6, 8.

Common Mistakes

• Checking the first digit instead of the last
• Confusing with other rules
• Only checking the first digit
• Misinterpreting even/odd concept
• Calculation errors with large numbers

Differentiation

Discussion Questions

• Why are all even numbers divisible by 2?
• What makes a number even?
• How do you know a number is not divisible by 2?
• Can you name a large number divisible by 2?
• What is the last digit of an odd number?

Extension Activities

• Sort numbers into 'Divisible by 2' and 'Not Divisible by 2' bins.

Parent Tip

Ask if a number of items can be split into two equal piles.

Skill Cluster

Number Sense and Properties

Estimated Time

5 minutes

Skills Practiced

Prerequisites

• 1140
• Understanding Even/Odd Numbers
• Basic Number Sense

Next Steps

• Divisibility by 5
• Divisibility by 10
• Divisibility by 3
• Identifying Even and Odd Numbers
• Divisibility by 5 Practice