Algeria · Grade 3 · Practice Sheet 12

1. 1.

   What is half of 8?

   Formula:Halving

   $h = n \div 2$

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2. 2.

   What is double 21?

   Formula:Doubling

   $d = 2 \times n$

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3. 3.

   9 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.

   What is double 20?

   Formula:Doubling

   $d = 2 \times n$

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5. 5.

   Add 6 + 16 + 6.

   Formula:Addition of Three Numbers

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

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6. 6.

   Fill in the missing number: 4 + ___ = 8.

   Formula:Missing Addend

   $b = \text{total} - a$

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7. 7.

   Subtract 10 from 70.

   Formula:Subtraction

   $\text{difference} = a - b$

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8. 8.

   You have DA 7 and DA 4. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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9. 9.

   What is double 16?

   Formula:Doubling

   $d = 2 \times n$

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10. 10.

    Add 10 + 7 + 16.

    Formula:Addition of Three Numbers

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

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11. 11.

    You have DA 1 and DA 1. 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: 4 + ___ = 19.

    Formula:Missing Addend

    $b = \text{total} - a$

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13. 13.

    What is double 25?

    Formula:Doubling

    $d = 2 \times n$

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14. 14.

    Continue the pattern by counting in 5s: 20, 25, ___

    Formula:Skip Counting

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

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15. 15.

    Add 32 and 11.

    Formula:Addition

    $\text{sum} = a + b$

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16. 16.

    What is double 8?

    Formula:Doubling

    $d = 2 \times n$

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17. 17.

    Add 16 + 11 + 3.

    Formula:Addition of Three Numbers

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

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18. 18.

    48 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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19. 19.

    There are 2 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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20. 20.

    Subtract 5 from 90.

    Formula:Subtraction

    $\text{difference} = a - b$

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