Grade 5 · Math · Unit 10 of 14
Multiply, Divide & Ratios
Two-digit numbers and ratios
What your child practises
Facts to 12 × 12, multiplying two two-digit numbers, dividing three-digit numbers by two-digit numbers, and using equivalent ratios and rates.
Alberta Curriculum learning outcome: 5N4.1, 5N7.1 · multiplication and division facts, and ratios
Sample questions
A taste of this unit. In the app, questions change every time and get easier or harder to match your child.
Question 1
What is 84 ÷ 12?
84 ÷ 12 = ?
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7
Hint: Think of the multiplication fact that goes with it.
Question 2
What is 29 × 19?
29 × 19 = ?
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551
Hint: Area model: 20 × 19 + 9 × 19.
Question 3
Which ratio is equivalent to 2 to 5?
- 4 to 10
- 4 to 11
- 4 to 7
Show answer
4 to 10
Hint: Multiply both numbers by the same amount.
Question 4
A school has 62 markers. Each box holds 12. How many markers are left over after filling as many boxes as possible?
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2
Hint: Divide 62 by 12. The remainder is what is left over.
Question 5
What is 525 ÷ 15?
525 ÷ 15 = ?
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35
Hint: Estimate first. Then use the area model or the long division steps.
Question 6
What is 16 × 21?
16 × 21 = ?
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336
Hint: Area model: 10 × 21 + 6 × 21.