Vietnam · Grade 3 · Practice Sheet 22

1. 1.

   12 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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2. 2.

   Add 4 + 9 + 12.

   Formula:Addition of Three Numbers

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

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3. 3.

   Fill in the missing number: 5 + ___ = 13.

   Formula:Missing Addend

   $b = \text{total} - a$

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4. 4.

   Add 5 + 2 + 5.

   Formula:Addition of Three Numbers

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

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5. 5.

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

   Formula:Skip Counting

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

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6. 6.

   Subtract 59 from 64.

   Formula:Subtraction

   $\text{difference} = a - b$

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7. 7.

   Add 13 + 15 + 15.

   Formula:Addition of Three Numbers

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

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8. 8.

   Continue the pattern by counting in 5s: 10, 15, ___

   Formula:Skip Counting

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

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9. 9.

   You have VND 1 and VND 6. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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10. 10.

    Fill in the missing number: 11 + ___ = 16.

    Formula:Missing Addend

    $b = \text{total} - a$

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11. 11.

    Add 9 + 14 + 3.

    Formula:Addition of Three Numbers

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

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12. 12.

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

    Formula:Skip Counting

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

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13. 13.

    Add 42 and 45.

    Formula:Addition

    $\text{sum} = a + b$

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14. 14.

    What is double 10?

    Formula:Doubling

    $d = 2 \times n$

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15. 15.

    What is half of 44?

    Formula:Halving

    $h = n \div 2$

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16. 16.

    What is double 23?

    Formula:Doubling

    $d = 2 \times n$

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17. 17.

    Add 33 and 37.

    Formula:Addition

    $\text{sum} = a + b$

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18. 18.

    Add 18 + 17 + 11.

    Formula:Addition of Three Numbers

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

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19. 19.

    What is double 12?

    Formula:Doubling

    $d = 2 \times n$

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20. 20.

    What is half of 48?

    Formula:Halving

    $h = n \div 2$

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