Hong Kong · Grade 3 · Practice Sheet 1

1. 1.

   You have HK$ 9 and HK$ 8. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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2. 2.

   Add 52 and 38.

   Formula:Addition

   $\text{sum} = a + b$

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3. 3.

   Subtract 22 from 36.

   Formula:Subtraction

   $\text{difference} = a - b$

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4. 4.

   Fill in the missing number: 13 + ___ = 26.

   Formula:Missing Addend

   $b = \text{total} - a$

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5. 5.

   What is double 19?

   Formula:Doubling

   $d = 2 \times n$

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6. 6.

   Add 13 + 3 + 8.

   Formula:Addition of Three Numbers

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

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7. 7.

   Fill in the missing number: 12 + ___ = 17.

   Formula:Missing Addend

   $b = \text{total} - a$

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8. 8.

   What is double 3?

   Formula:Doubling

   $d = 2 \times n$

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9. 9.

   Add 57 and 54.

   Formula:Addition

   $\text{sum} = a + b$

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10. 10.

    What is double 9?

    Formula:Doubling

    $d = 2 \times n$

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11. 11.

    Add 24 and 40.

    Formula:Addition

    $\text{sum} = a + b$

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12. 12.

    How many tens are there in the number 26?

    Formula:Place Value

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

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13. 13.

    Fill in the missing number: 8 + ___ = 17.

    Formula:Missing Addend

    $b = \text{total} - a$

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14. 14.

    You have HK$ 8 and HK$ 2. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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15. 15.

    Add 56 and 15.

    Formula:Addition

    $\text{sum} = a + b$

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16. 16.

    Subtract 35 from 55.

    Formula:Subtraction

    $\text{difference} = a - b$

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17. 17.

    30 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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18. 18.

    Subtract 22 from 69.

    Formula:Subtraction

    $\text{difference} = a - b$

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19. 19.

    How many tens are there in the number 17?

    Formula:Place Value

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

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20. 20.

    Add 11 and 47.

    Formula:Addition

    $\text{sum} = a + b$

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