Cambodia · Grade 2 · Practice Sheet 9

1. 1.

   What is half of 24?

   Formula:Halving

   $h = n \div 2$

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2. 2.

   What is 11 − 7?

   Formula:Subtraction

   $\text{difference} = a - b$

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3. 3.

   What is double 5?

   Formula:Doubling

   $d = 2 \times n$

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4. 4.

   What is half of 12?

   Formula:Halving

   $h = n \div 2$

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5. 5.

   There are 6 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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6. 6.

   Continue the pattern by counting in 3s: 12, 15, ___

   Formula:Skip Counting

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

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7. 7.

   Add 59 and 44.

   Formula:Addition

   $\text{sum} = a + b$

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8. 8.

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

   Formula:Adding Money

   $\text{total} = a + b$

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9. 9.

   Fill in the missing number: 14 + ___ = 25.

   Formula:Missing Addend

   $b = \text{total} - a$

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10. 10.

    There are 4 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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11. 11.

    You have ៛ 1 and ៛ 7. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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12. 12.

    Fill in the missing number: 15 + ___ = 23.

    Formula:Missing Addend

    $b = \text{total} - a$

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13. 13.

    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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14. 14.

    What is 9 + 6?

    Formula:Addition

    $\text{sum} = a + b$

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15. 15.

    Add 47 and 54.

    Formula:Addition

    $\text{sum} = a + b$

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16. 16.

    What is 17 − 16?

    Formula:Subtraction

    $\text{difference} = a - b$

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17. 17.

    What is 7 + 8?

    Formula:Addition

    $\text{sum} = a + b$

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18. 18.

    What is half of 48?

    Formula:Halving

    $h = n \div 2$

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19. 19.

    Subtract 37 from 55.

    Formula:Subtraction

    $\text{difference} = a - b$

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20. 20.

    What is half of 44?

    Formula:Halving

    $h = n \div 2$

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