China · Grade 3 · Practice Sheet 50

1. 1.

   There are 4 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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2. 2.

   What is half of 50?

   Formula:Halving

   $h = n \div 2$

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3. 3.

   Add 7 + 19 + 20.

   Formula:Addition of Three Numbers

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

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4. 4.

   Subtract 58 from 63.

   Formula:Subtraction

   $\text{difference} = a - b$

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5. 5.

   Continue the pattern by counting in 3s: 12, 15, ___

   Formula:Skip Counting

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

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6. 6.

   Add 6 + 6 + 9.

   Formula:Addition of Three Numbers

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

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7. 7.

   What is 9 × 8?

   Formula:Multiplication (Times Tables)

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

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8. 8.

   Add 8 + 20 + 15.

   Formula:Addition of Three Numbers

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

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9. 9.

   15 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 3 + 12 + 6.

    Formula:Addition of Three Numbers

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

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11. 11.

    4 sweets are shared equally among 2 children. How many does each child get?

    Formula:Division (Equal Sharing)

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

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12. 12.

    You have ¥2 and ¥6. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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13. 13.

    Continue the pattern by counting in 2s: 8, 10, ___

    Formula:Skip Counting

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

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14. 14.

    Subtract 38 from 97.

    Formula:Subtraction

    $\text{difference} = a - b$

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15. 15.

    What is double 19?

    Formula:Doubling

    $d = 2 \times n$

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16. 16.

    What is half of 46?

    Formula:Halving

    $h = n \div 2$

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17. 17.

    Subtract 22 from 75.

    Formula:Subtraction

    $\text{difference} = a - b$

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18. 18.

    Fill in the missing number: 6 + ___ = 13.

    Formula:Missing Addend

    $b = \text{total} - a$

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19. 19.

    How many tens are there in the number 40?

    Formula:Place Value

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

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20. 20.

    Add 14 + 19 + 14.

    Formula:Addition of Three Numbers

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

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