Algeria · Grade 3 · Practice Sheet 21

1. 1.

   Add 84 and 50.

   Formula:Addition

   $\text{sum} = a + b$

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2. 2.

   Add 5 + 8 + 16.

   Formula:Addition of Three Numbers

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

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3. 3.

   There are 3 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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4. 4.

   Continue the pattern by counting in 2s: 4, 6, ___

   Formula:Skip Counting

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

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5. 5.

   How many tens are there in the number 63?

   Formula:Place Value

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

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6. 6.

   10 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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7. 7.

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

   Formula:Adding Money

   $\text{total} = a + b$

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8. 8.

   Fill in the missing number: 12 + ___ = 24.

   Formula:Missing Addend

   $b = \text{total} - a$

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9. 9.

   How many tens are there in the number 78?

   Formula:Place Value

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

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10. 10.

    What is double 13?

    Formula:Doubling

    $d = 2 \times n$

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11. 11.

    What is half of 48?

    Formula:Halving

    $h = n \div 2$

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12. 12.

    Subtract 38 from 43.

    Formula:Subtraction

    $\text{difference} = a - b$

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13. 13.

    Fill in the missing number: 5 + ___ = 12.

    Formula:Missing Addend

    $b = \text{total} - a$

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14. 14.

    What is double 17?

    Formula:Doubling

    $d = 2 \times n$

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15. 15.

    You have DA 6 and DA 1. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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16. 16.

    How many tens are there in the number 85?

    Formula:Place Value

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

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17. 17.

    16 sweets are shared equally among 4 children. How many does each child get?

    Formula:Division (Equal Sharing)

    $\text{each} = \text{total} \div \text{groups}$

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18. 18.

    There are 5 bags with 5 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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19. 19.

    Fill in the missing number: 15 + ___ = 30.

    Formula:Missing Addend

    $b = \text{total} - a$

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20. 20.

    How many tens are there in the number 25?

    Formula:Place Value

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

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