Hong Kong · Grade 3 · Practice Sheet 48

1. 1.

   Fill in the missing number: 14 + ___ = 23.

   Formula:Missing Addend

   $b = \text{total} - a$

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2. 2.

   What is half of 46?

   Formula:Halving

   $h = n \div 2$

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3. 3.

   Subtract 43 from 65.

   Formula:Subtraction

   $\text{difference} = a - b$

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4. 4.

   What is double 15?

   Formula:Doubling

   $d = 2 \times n$

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5. 5.

   Add 63 and 46.

   Formula:Addition

   $\text{sum} = a + b$

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6. 6.

   There are 5 bags with 2 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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7. 7.

   You have HK$ 9 and HK$ 7. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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8. 8.

   10 sweets are shared equally among 5 children. How many does each child get?

   Formula:Division (Equal Sharing)

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

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9. 9.

   You have HK$ 1 and HK$ 4. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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10. 10.

    What is double 3?

    Formula:Doubling

    $d = 2 \times n$

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11. 11.

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

    Formula:Skip Counting

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

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12. 12.

    Add 71 and 25.

    Formula:Addition

    $\text{sum} = a + b$

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13. 13.

    What is double 13?

    Formula:Doubling

    $d = 2 \times n$

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14. 14.

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

    Formula:Adding Money

    $\text{total} = a + b$

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15. 15.

    Fill in the missing number: 5 + ___ = 14.

    Formula:Missing Addend

    $b = \text{total} - a$

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16. 16.

    What is 4 × 5?

    Formula:Multiplication (Times Tables)

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

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17. 17.

    Add 41 and 58.

    Formula:Addition

    $\text{sum} = a + b$

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18. 18.

    What is half of 42?

    Formula:Halving

    $h = n \div 2$

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19. 19.

    45 sweets are shared equally among 5 children. How many does each child get?

    Formula:Division (Equal Sharing)

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

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20. 20.

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

    Formula:Missing Addend

    $b = \text{total} - a$

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