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DIVISIBILITY RULES

Secret rules to instantly tell if a number divides evenly by 2, 3, 4, 5, 6, 9, or 10.

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CS.N.4.6·Divisibility rules (2, 3, 5, 10)(IV)CS.N.5.1·Concepts of multiple and divisor(V)

Section 1 / 3

RULES FOR 2, 5, AND 10

A number is divisible by 2 if it is even (ends in 0, 2, 4, 6, 8). By 5 if it ends in 0 or 5. By 10 if it ends in 0. These three rules are the easiest to learn!

Is 435 divisible by 5?

1Rule: ends in 0 or 5

2435 ends in 5 > YES!

3435 / 5 = 87

= 87

LEADER TIP

Make it a game: call out numbers and students race to identify which numbers they divide by. Kids love this!

BEFORE THIS LESSON, TRY

🧮Understanding Remainders

PRACTICE WITH THESE GAMES

➗Division Table 🔎Prime Hunt 🎯Division Quiz

Want more practice? Generate printable worksheets with similar problems.

Go to Worksheets

DIVISIBILITY RULES

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