Grade 4 - Progress in Mathematics

Divisibility

5-7

A number is divisible by another number

when the remainder is zero when the number

is divided by the other number.

The chart below shows the

divisibility rules for 2, 5, 10, and 3.

Rule

Examples

A number is divisible

by 2 if its ones digit 10 , 3 2 , 15 4 , 312 6 , 45,39 8

is divisible by 2. are divisible by 2.

by 5 if its ones digit 40 , 7 5 , 82 0 , 651 5 are divisible by 5.

is 0 or 5.

by 10 if its ones 30 , 17 0 , 428 0 , 79,36 0 are divisible by 10.

digit is 0.

by 3 if the sum of 24 2 
 4  6 and 6  3 2.

its digits is divisible 369 3 
 6 
 9  18 and 18  3 6.

by 3. 24 and 369 are divisible by 3.

Is the number divisible by 2? Write yesor no.

1. 28 2. 75 3. 700 4. 144 5. 807


2. 516 7. 343 8. 2931 9. 1462 10. 7749


3. 6847 12. 2900 13. 75,192 14. 27,346 15. 92,983

Is the number divisible by 5? Write yesor no.

16. 64 17. 85 18. 900 19. 245 20. 819


17. 703 22. 456 23. 1820 24. 4795 25. 9240


18. 8675 27. 3299 28. 10,000 29. 42,685 30. 74,007

All even numbers

are divisible by 2.

3.4

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