Taiwan · Grade 3 · Practice Sheet 9

1. 1.

   What is half of 32?

   Formula:Halving

   $h = n \div 2$

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2. 2.

   What is 9 × 4?

   Formula:Multiplication (Times Tables)

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

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3. 3.

   Add 59 and 57.

   Formula:Addition

   $\text{sum} = a + b$

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4. 4.

   There are 6 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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5. 5.

   Add 62 and 36.

   Formula:Addition

   $\text{sum} = a + b$

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6. 6.

   Subtract 37 from 42.

   Formula:Subtraction

   $\text{difference} = a - b$

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7. 7.

   What is half of 50?

   Formula:Halving

   $h = n \div 2$

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8. 8.

   Continue the pattern by counting in 3s: 6, 9, ___

   Formula:Skip Counting

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

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9. 9.

   24 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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10. 10.

    Add 21 and 15.

    Formula:Addition

    $\text{sum} = a + b$

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11. 11.

    What is 2 × 5?

    Formula:Multiplication (Times Tables)

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

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12. 12.

    Fill in the missing number: 14 + ___ = 24.

    Formula:Missing Addend

    $b = \text{total} - a$

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13. 13.

    Subtract 39 from 86.

    Formula:Subtraction

    $\text{difference} = a - b$

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14. 14.

    20 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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15. 15.

    Fill in the missing number: 15 + ___ = 30.

    Formula:Missing Addend

    $b = \text{total} - a$

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16. 16.

    What is double 13?

    Formula:Doubling

    $d = 2 \times n$

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17. 17.

    There are 3 bags with 8 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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18. 18.

    What is double 6?

    Formula:Doubling

    $d = 2 \times n$

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19. 19.

    What is 4 × 8?

    Formula:Multiplication (Times Tables)

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

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20. 20.

    There are 4 bags with 5 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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