Canada · Grade 3 · Practice Sheet 47

1. 1.

   What is double 20?

   Formula:Doubling

   $d = 2 \times n$

   View formula →
2. 2.

   How many tens are there in the number 41?

   Formula:Place Value

   $\text{value} = \text{tens} \times 10 + \text{ones}$

   View formula →
3. 3.

   Add 28 and 29.

   Formula:Addition

   $\text{sum} = a + b$

   View formula →
4. 4.

   Subtract 36 from 41.

   Formula:Subtraction

   $\text{difference} = a - b$

   View formula →
5. 5.

   Add 55 and 21.

   Formula:Addition

   $\text{sum} = a + b$

   View formula →
6. 6.

   How many tens are there in the number 78?

   Formula:Place Value

   $\text{value} = \text{tens} \times 10 + \text{ones}$

   View formula →
7. 7.

   Add 5 + 4 + 7.

   Formula:Addition of Three Numbers

   $\text{sum} = a + b + c$

   View formula →
8. 8.

   Continue the pattern by counting in 10s: 30, 40, ___

   Formula:Skip Counting

   $\text{next} = \text{term} + \text{step}$

   View formula →
9. 9.

   What is half of 48?

   Formula:Halving

   $h = n \div 2$

   View formula →
10. 10.

    Add 20 + 4 + 16.

    Formula:Addition of Three Numbers

    $\text{sum} = a + b + c$

    View formula →
11. 11.

    Subtract 5 from 50.

    Formula:Subtraction

    $\text{difference} = a - b$

    View formula →
12. 12.

    What is 10 × 7?

    Formula:Multiplication (Times Tables)

    $\text{product} = a \times b$

    View formula →
13. 13.

    Subtract 23 from 32.

    Formula:Subtraction

    $\text{difference} = a - b$

    View formula →
14. 14.

    Add 2 + 2 + 19.

    Formula:Addition of Three Numbers

    $\text{sum} = a + b + c$

    View formula →
15. 15.

    There are 4 bags with 3 apples in each bag. How many apples are there in total?

    Formula:Multiplication as Repeated Addition

    $\text{total} = \text{groups} \times \text{size}$

    View formula →
16. 16.

    Fill in the missing number: 15 + ___ = 18.

    Formula:Missing Addend

    $b = \text{total} - a$

    View formula →
17. 17.

    What is 6 × 10?

    Formula:Multiplication (Times Tables)

    $\text{product} = a \times b$

    View formula →
18. 18.

    You have $1 and $3. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

    View formula →
19. 19.

    How many tens are there in the number 83?

    Formula:Place Value

    $\text{value} = \text{tens} \times 10 + \text{ones}$

    View formula →
20. 20.

    Subtract 48 from 59.

    Formula:Subtraction

    $\text{difference} = a - b$

    View formula →

© FormulaWon — formulawon.app · Answers & step-by-step working available on the solutions sheet.