Divisibility and Divisibility Rules
Learn how to quickly check if a number is divisible by 2, 3, 4, 5, 6, 8, 9, or 10. Let’s get started! 🚀
Video Lesson
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Flashcards
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🛎️ What Does Divisible Mean?
- A number is divisible if it divides exactly with no remainder.
- For example, 12 ÷ 3 = 4 (divisible), but 13 ÷ 3 = 4 r 1 (not divisible).
🛎️ Divisibility Rules for 2, 4, and 8
- A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8).
- A number is divisible by 4 if the last two digits are divisible by 4.
- A number is divisible by 8 if the last three digits are divisible by 8.
🛎️ Divisibility Rules for 3, 6, and 9
- A number is divisible by 3 if the sum of its digits is divisible by 3.
- A number is divisible by 6 if it is divisible by both 2 and 3.
- A number is divisible by 9 if the sum of its digits is divisible by 9.
🛎️ Divisibility Rules for 5 and 10
- A number is divisible by 5 if the last digit is 0 or 5.
- A number is divisible by 10 if the last digit is 0.
Practice Questions
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Interactive Activity
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