Grade 4/Factoring
Divisibility by 4 (1149)
Determine if a number is divisible by 4.
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Quick Tip
A number is divisible by 4 if the last two digits form a number divisible by 4. Or, if you can halve it twice and get a whole number.
Teacher Resources
Teaching Notes
Teach the 'halve it twice' strategy.
Vocabulary
Divisible: Can be divided with no remainder.
Multiple: The result of multiplying a number by an integer.
Common Mistakes
- Thinking all even numbers are divisible by 4
- Checking only the last digit
- Confusing with divisibility by 2
- Incorrectly dividing last two digits
- Overlooking numbers ending in 00
Differentiation
SupportUse a multiplication chart.
ChallengeTry 3-digit numbers like 124.
Discussion Questions
- Are all numbers divisible by 4 also divisible by 2?
- What is the divisibility rule for 4?
- Why does this rule work for any number?
- Can a number be divisible by 4 but not by 2?
- Give a 3-digit number divisible by 4.
Extension Activities
- Find numbers divisible by 4 and 5.
Parent Tip
Ask your child to check if groups of 4 can be made from items.
Learning Path
Skill Cluster
Number Sense and Properties
Estimated Time
10 minutes
Skills Practiced
divisibility 4
Prerequisites
- 1145
- Multiplication Facts
- Division Facts
- Place Value
- Divisibility by 2
Next Steps
- Divisibility by 8
- Divisibility by 3 and 6
- Divisibility by 2
- Divisibility by 3
- Prime and Composite Numbers