South Korea · Grade 3 · Practice Sheet 16

1. 1.

   What is half of 26?

   Formula:Halving

   $h = n \div 2$

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2. 2.

   You have ₩9 and ₩6. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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3. 3.

   What is 4 × 2?

   Formula:Multiplication (Times Tables)

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

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4. 4.

   Fill in the missing number: 3 + ___ = 17.

   Formula:Missing Addend

   $b = \text{total} - a$

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5. 5.

   There are 6 bags with 7 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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6. 6.

   What is 9 × 8?

   Formula:Multiplication (Times Tables)

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

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7. 7.

   Continue the pattern by counting in 10s: 0, 10, ___

   Formula:Skip Counting

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

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8. 8.

   How many tens are there in the number 34?

   Formula:Place Value

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

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9. 9.

   What is half of 10?

   Formula:Halving

   $h = n \div 2$

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10. 10.

    54 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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11. 11.

    What is 4 × 8?

    Formula:Multiplication (Times Tables)

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

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12. 12.

    12 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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13. 13.

    Add 15 and 36.

    Formula:Addition

    $\text{sum} = a + b$

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14. 14.

    What is 7 × 5?

    Formula:Multiplication (Times Tables)

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

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15. 15.

    How many tens are there in the number 92?

    Formula:Place Value

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

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16. 16.

    What is half of 8?

    Formula:Halving

    $h = n \div 2$

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17. 17.

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

    Formula:Adding Money

    $\text{total} = a + b$

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18. 18.

    What is half of 4?

    Formula:Halving

    $h = n \div 2$

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19. 19.

    Add 4 + 5 + 6.

    Formula:Addition of Three Numbers

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

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20. 20.

    Continue the pattern by counting in 10s: 0, 10, ___

    Formula:Skip Counting

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

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