China · Grade 3 · Practice Sheet 29

1. 1.

   What is 7 × 7?

   Formula:Multiplication (Times Tables)

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

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2. 2.

   Subtract 20 from 55.

   Formula:Subtraction

   $\text{difference} = a - b$

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3. 3.

   Add 63 and 20.

   Formula:Addition

   $\text{sum} = a + b$

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4. 4.

   How many tens are there in the number 21?

   Formula:Place Value

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

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5. 5.

   What is double 5?

   Formula:Doubling

   $d = 2 \times n$

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6. 6.

   Add 5 + 16 + 10.

   Formula:Addition of Three Numbers

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

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7. 7.

   Fill in the missing number: 10 + ___ = 21.

   Formula:Missing Addend

   $b = \text{total} - a$

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8. 8.

   What is double 12?

   Formula:Doubling

   $d = 2 \times n$

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9. 9.

   You have ¥8 and ¥3. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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10. 10.

    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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11. 11.

    You have ¥4 and ¥4. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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12. 12.

    Add 16 + 18 + 3.

    Formula:Addition of Three Numbers

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

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13. 13.

    You have ¥2 and ¥3. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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14. 14.

    Fill in the missing number: 7 + ___ = 9.

    Formula:Missing Addend

    $b = \text{total} - a$

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15. 15.

    Add 5 + 9 + 15.

    Formula:Addition of Three Numbers

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

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16. 16.

    What is 9 × 3?

    Formula:Multiplication (Times Tables)

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

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17. 17.

    What is half of 32?

    Formula:Halving

    $h = n \div 2$

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18. 18.

    What is 2 × 9?

    Formula:Multiplication (Times Tables)

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

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19. 19.

    What is double 10?

    Formula:Doubling

    $d = 2 \times n$

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20. 20.

    Subtract 20 from 57.

    Formula:Subtraction

    $\text{difference} = a - b$

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