South Korea · Grade 3 · Practice Sheet 34

1. 1.

   You have ₩6 and ₩8. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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2. 2.

   What is half of 10?

   Formula:Halving

   $h = n \div 2$

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3. 3.

   6 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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4. 4.

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

   Formula:Adding Money

   $\text{total} = a + b$

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5. 5.

   Add 11 + 9 + 18.

   Formula:Addition of Three Numbers

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

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6. 6.

   What is half of 30?

   Formula:Halving

   $h = n \div 2$

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7. 7.

   What is double 20?

   Formula:Doubling

   $d = 2 \times n$

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8. 8.

   There are 2 bags with 4 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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9. 9.

   Add 9 + 7 + 3.

   Formula:Addition of Three Numbers

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

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10. 10.

    You have ₩6 and ₩3. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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11. 11.

    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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12. 12.

    You have ₩6 and ₩3. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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13. 13.

    What is double 10?

    Formula:Doubling

    $d = 2 \times n$

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14. 14.

    What is 10 × 7?

    Formula:Multiplication (Times Tables)

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

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15. 15.

    What is double 6?

    Formula:Doubling

    $d = 2 \times n$

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16. 16.

    Subtract 72 from 86.

    Formula:Subtraction

    $\text{difference} = a - b$

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17. 17.

    Add 43 and 6.

    Formula:Addition

    $\text{sum} = a + b$

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18. 18.

    What is half of 40?

    Formula:Halving

    $h = n \div 2$

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19. 19.

    What is 3 × 5?

    Formula:Multiplication (Times Tables)

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

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20. 20.

    Add 18 + 8 + 6.

    Formula:Addition of Three Numbers

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

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