Gradelings

Grade 7 · Math · Unit 1 of 14

Divisibility Rules

Quick tests for 2, 3, 4, 5, 6, 8, 9 and 10

What your child practises

Children use the digits of a number to tell whether it divides evenly, and explain why no number can be divided by 0.

Nova Scotia Curriculum learning outcome: N01 · divisibility rules and factors

Sample questions

A taste of this unit. In the app, questions change every time and get easier or harder to match your child.

  1. Question 1

    Can you divide 12 by 0?

    • Yes, the answer is 12
    • Yes, the answer is 0
    • Yes, the answer is 1
    • No, dividing by 0 has no answer
    Show answer

    No, dividing by 0 has no answer

    Hint: Division by 0 is not possible.

  2. Question 2

    Which number is divisible by 4?

    • 316
    • 314
    • 318
    • 322
    Show answer

    316

    Hint: A number is divisible by 4 when its last two digits make a number divisible by 4. 16 ÷ 4 = 4.

  3. Question 3

    Which number is divisible by 3 but not by 9?

    • 126
    • 128
    • 123
    • 135
    Show answer

    123

    Hint: 1 + 2 + 3 = 6. 6 is divisible by 3 but not by 9.

  4. Question 4

    Which number is divisible by 5?

    • 232
    • 237
    • 235
    • 239
    Show answer

    235

    Hint: A number is divisible by 5 when it ends in 0 or 5.

  5. Question 5

    Which number is divisible by both 5 and 10?

    • 305
    • 36
    • 365
    • 360
    Show answer

    360

    Hint: A number divisible by 10 ends in 0, and then it is divisible by 5 too.

  6. Question 6

    If a number is divisible by 9, it must also be divisible by…

    • 2
    • 5
    • 6
    • 3
    Show answer

    3

    Hint: 9 = 3 × 3, so every multiple of 9 is a multiple of 3. It need not be even or end in 0 or 5.

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