Canada · Grade 3 · Practice Sheet 41

1. 1.

   What is half of 22?

   Formula:Halving

   $h = n \div 2$

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2. 2.

   What is 10 × 8?

   Formula:Multiplication (Times Tables)

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

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3. 3.

   What is double 3?

   Formula:Doubling

   $d = 2 \times n$

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4. 4.

   Fill in the missing number: 14 + ___ = 25.

   Formula:Missing Addend

   $b = \text{total} - a$

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5. 5.

   What is 10 × 2?

   Formula:Multiplication (Times Tables)

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

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6. 6.

   What is double 10?

   Formula:Doubling

   $d = 2 \times n$

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7. 7.

   How many tens are there in the number 94?

   Formula:Place Value

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

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8. 8.

   You have $6 and $9. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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9. 9.

   Continue the pattern by counting in 5s: 5, 10, ___

   Formula:Skip Counting

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

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10. 10.

    You have $2 and $5. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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11. 11.

    There are 5 bags with 3 apples in each bag. How many apples are there in total?

    Formula:Multiplication as Repeated Addition

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

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12. 12.

    Fill in the missing number: 4 + ___ = 19.

    Formula:Missing Addend

    $b = \text{total} - a$

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13. 13.

    What is double 22?

    Formula:Doubling

    $d = 2 \times n$

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14. 14.

    You have $9 and $1. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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15. 15.

    Add 15 + 19 + 9.

    Formula:Addition of Three Numbers

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

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16. 16.

    Add 24 and 46.

    Formula:Addition

    $\text{sum} = a + b$

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17. 17.

    Add 16 + 11 + 4.

    Formula:Addition of Three Numbers

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

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18. 18.

    What is half of 50?

    Formula:Halving

    $h = n \div 2$

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19. 19.

    Subtract 54 from 67.

    Formula:Subtraction

    $\text{difference} = a - b$

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20. 20.

    Fill in the missing number: 15 + ___ = 28.

    Formula:Missing Addend

    $b = \text{total} - a$

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