Cambodia · Grade 3 · Practice Sheet 23

1. 1.

   You have ៛ 7 and ៛ 5. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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2. 2.

   Continue the pattern by counting in 10s: 40, 50, ___

   Formula:Skip Counting

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

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3. 3.

   What is half of 4?

   Formula:Halving

   $h = n \div 2$

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4. 4.

   Fill in the missing number: 12 + ___ = 17.

   Formula:Missing Addend

   $b = \text{total} - a$

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5. 5.

   There are 5 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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6. 6.

   What is double 24?

   Formula:Doubling

   $d = 2 \times n$

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7. 7.

   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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8. 8.

   25 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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9. 9.

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

   Formula:Adding Money

   $\text{total} = a + b$

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10. 10.

    Add 44 and 47.

    Formula:Addition

    $\text{sum} = a + b$

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11. 11.

    What is 5 × 3?

    Formula:Multiplication (Times Tables)

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

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12. 12.

    What is double 11?

    Formula:Doubling

    $d = 2 \times n$

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13. 13.

    What is 2 × 4?

    Formula:Multiplication (Times Tables)

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

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14. 14.

    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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15. 15.

    Add 54 and 60.

    Formula:Addition

    $\text{sum} = a + b$

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16. 16.

    What is double 4?

    Formula:Doubling

    $d = 2 \times n$

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17. 17.

    Add 15 + 14 + 2.

    Formula:Addition of Three Numbers

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

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18. 18.

    What is 7 × 7?

    Formula:Multiplication (Times Tables)

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

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19. 19.

    Fill in the missing number: 3 + ___ = 15.

    Formula:Missing Addend

    $b = \text{total} - a$

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20. 20.

    What is double 24?

    Formula:Doubling

    $d = 2 \times n$

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