Vietnam · Grade 3 · Practice Sheet 48

1. 1.

   What is double 13?

   Formula:Doubling

   $d = 2 \times n$

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2. 2.

   What is half of 42?

   Formula:Halving

   $h = n \div 2$

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3. 3.

   You have VND 3 and VND 5. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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4. 4.

   What is half of 10?

   Formula:Halving

   $h = n \div 2$

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5. 5.

   What is 3 × 3?

   Formula:Multiplication (Times Tables)

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

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6. 6.

   Add 5 + 19 + 5.

   Formula:Addition of Three Numbers

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

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7. 7.

   12 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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8. 8.

   Add 12 + 17 + 12.

   Formula:Addition of Three Numbers

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

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9. 9.

   There are 6 bags with 6 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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10. 10.

    What is 5 × 5?

    Formula:Multiplication (Times Tables)

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

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11. 11.

    Subtract 22 from 67.

    Formula:Subtraction

    $\text{difference} = a - b$

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12. 12.

    Add 16 and 38.

    Formula:Addition

    $\text{sum} = a + b$

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13. 13.

    Subtract 32 from 48.

    Formula:Subtraction

    $\text{difference} = a - b$

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14. 14.

    You have VND 6 and VND 4. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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15. 15.

    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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16. 16.

    How many tens are there in the number 74?

    Formula:Place Value

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

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17. 17.

    Add 2 + 10 + 17.

    Formula:Addition of Three Numbers

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

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18. 18.

    Subtract 36 from 65.

    Formula:Subtraction

    $\text{difference} = a - b$

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19. 19.

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

    Formula:Missing Addend

    $b = \text{total} - a$

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20. 20.

    You have VND 5 and VND 3. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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