Vietnam · Grade 3 · Practice Sheet 41

1. 1.

   Subtract 27 from 92.

   Formula:Subtraction

   $\text{difference} = a - b$

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2. 2.

   Add 15 and 11.

   Formula:Addition

   $\text{sum} = a + b$

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3. 3.

   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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4. 4.

   40 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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5. 5.

   Add 14 + 5 + 11.

   Formula:Addition of Three Numbers

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

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6. 6.

   Add 84 and 54.

   Formula:Addition

   $\text{sum} = a + b$

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7. 7.

   What is double 3?

   Formula:Doubling

   $d = 2 \times n$

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8. 8.

   Fill in the missing number: 10 + ___ = 19.

   Formula:Missing Addend

   $b = \text{total} - a$

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9. 9.

   What is half of 12?

   Formula:Halving

   $h = n \div 2$

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10. 10.

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

    Formula:Skip Counting

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

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11. 11.

    Add 19 + 11 + 2.

    Formula:Addition of Three Numbers

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

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12. 12.

    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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13. 13.

    Fill in the missing number: 6 + ___ = 16.

    Formula:Missing Addend

    $b = \text{total} - a$

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14. 14.

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

    Formula:Skip Counting

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

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15. 15.

    Add 25 and 25.

    Formula:Addition

    $\text{sum} = a + b$

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16. 16.

    Fill in the missing number: 14 + ___ = 29.

    Formula:Missing Addend

    $b = \text{total} - a$

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17. 17.

    You have VND 1 and VND 5. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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18. 18.

    What is double 8?

    Formula:Doubling

    $d = 2 \times n$

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19. 19.

    What is half of 36?

    Formula:Halving

    $h = n \div 2$

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20. 20.

    Add 84 and 16.

    Formula:Addition

    $\text{sum} = a + b$

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