Greece · Grade 3 · Practice Sheet 41

1. 1.

   Fill in the missing number: 10 + ___ = 21.

   Formula:Missing Addend

   $b = \text{total} - a$

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2. 2.

   32 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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3. 3.

   What is double 11?

   Formula:Doubling

   $d = 2 \times n$

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4. 4.

   Add 15 and 21.

   Formula:Addition

   $\text{sum} = a + b$

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5. 5.

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

   Formula:Skip Counting

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

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6. 6.

   Add 22 and 56.

   Formula:Addition

   $\text{sum} = a + b$

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7. 7.

   What is half of 20?

   Formula:Halving

   $h = n \div 2$

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8. 8.

   What is double 16?

   Formula:Doubling

   $d = 2 \times n$

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9. 9.

   What is 10 × 2?

   Formula:Multiplication (Times Tables)

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

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10. 10.

    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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11. 11.

    What is half of 36?

    Formula:Halving

    $h = n \div 2$

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12. 12.

    Add 8 + 9 + 20.

    Formula:Addition of Three Numbers

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

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13. 13.

    Add 10 and 45.

    Formula:Addition

    $\text{sum} = a + b$

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14. 14.

    You have €9 and €2. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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15. 15.

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

    Formula:Skip Counting

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

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16. 16.

    Add 13 and 22.

    Formula:Addition

    $\text{sum} = a + b$

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17. 17.

    There are 4 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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18. 18.

    You have €5 and €4. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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19. 19.

    What is double 22?

    Formula:Doubling

    $d = 2 \times n$

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20. 20.

    12 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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