Hong Kong · Grade 3 · Practice Sheet 38

1. 1.

   Subtract 14 from 86.

   Formula:Subtraction

   $\text{difference} = a - b$

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2. 2.

   How many tens are there in the number 49?

   Formula:Place Value

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

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3. 3.

   There are 4 bags with 6 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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4. 4.

   6 sweets are shared equally among 3 children. How many does each child get?

   Formula:Division (Equal Sharing)

   $\text{each} = \text{total} \div \text{groups}$

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5. 5.

   Add 19 + 16 + 11.

   Formula:Addition of Three Numbers

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

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6. 6.

   12 sweets are shared equally among 6 children. How many does each child get?

   Formula:Division (Equal Sharing)

   $\text{each} = \text{total} \div \text{groups}$

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7. 7.

   Continue the pattern by counting in 2s: 4, 6, ___

   Formula:Skip Counting

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

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8. 8.

   What is 3 × 5?

   Formula:Multiplication (Times Tables)

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

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9. 9.

   How many tens are there in the number 22?

   Formula:Place Value

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

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10. 10.

    What is double 21?

    Formula:Doubling

    $d = 2 \times n$

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11. 11.

    Add 13 + 14 + 15.

    Formula:Addition of Three Numbers

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

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12. 12.

    Add 46 and 21.

    Formula:Addition

    $\text{sum} = a + b$

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13. 13.

    Subtract 47 from 64.

    Formula:Subtraction

    $\text{difference} = a - b$

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14. 14.

    Fill in the missing number: 11 + ___ = 19.

    Formula:Missing Addend

    $b = \text{total} - a$

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15. 15.

    What is double 24?

    Formula:Doubling

    $d = 2 \times n$

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16. 16.

    21 sweets are shared equally among 3 children. How many does each child get?

    Formula:Division (Equal Sharing)

    $\text{each} = \text{total} \div \text{groups}$

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17. 17.

    Add 18 + 2 + 11.

    Formula:Addition of Three Numbers

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

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18. 18.

    Fill in the missing number: 10 + ___ = 25.

    Formula:Missing Addend

    $b = \text{total} - a$

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19. 19.

    24 sweets are shared equally among 6 children. How many does each child get?

    Formula:Division (Equal Sharing)

    $\text{each} = \text{total} \div \text{groups}$

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20. 20.

    How many tens are there in the number 60?

    Formula:Place Value

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

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