Taiwan · Grade 3 · Practice Sheet 31

1. 1.

   Subtract 5 from 76.

   Formula:Subtraction

   $\text{difference} = a - b$

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2. 2.

   You have NT$ 4 and NT$ 5. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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3. 3.

   Add 27 and 20.

   Formula:Addition

   $\text{sum} = a + b$

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4. 4.

   Add 8 + 17 + 4.

   Formula:Addition of Three Numbers

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

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5. 5.

   What is double 11?

   Formula:Doubling

   $d = 2 \times n$

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6. 6.

   You have NT$ 5 and NT$ 4. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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7. 7.

   What is double 12?

   Formula:Doubling

   $d = 2 \times n$

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8. 8.

   Add 16 and 32.

   Formula:Addition

   $\text{sum} = a + b$

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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.

    Subtract 49 from 61.

    Formula:Subtraction

    $\text{difference} = a - b$

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11. 11.

    What is double 23?

    Formula:Doubling

    $d = 2 \times n$

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12. 12.

    What is 5 × 3?

    Formula:Multiplication (Times Tables)

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

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13. 13.

    30 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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14. 14.

    Add 19 + 20 + 19.

    Formula:Addition of Three Numbers

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

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15. 15.

    Continue the pattern by counting in 10s: 20, 30, ___

    Formula:Skip Counting

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

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16. 16.

    Add 13 + 9 + 6.

    Formula:Addition of Three Numbers

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

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17. 17.

    Fill in the missing number: 6 + ___ = 9.

    Formula:Missing Addend

    $b = \text{total} - a$

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18. 18.

    Continue the pattern by counting in 2s: 0, 2, ___

    Formula:Skip Counting

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

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19. 19.

    What is 6 × 9?

    Formula:Multiplication (Times Tables)

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

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20. 20.

    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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