Denmark · Grade 3 · Practice Sheet 35

1. 1.

   What is half of 22?

   Formula:Halving

   $h = n \div 2$

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2. 2.

   Add 47 and 55.

   Formula:Addition

   $\text{sum} = a + b$

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3. 3.

   How many tens are there in the number 21?

   Formula:Place Value

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

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4. 4.

   There are 6 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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5. 5.

   Add 7 + 9 + 17.

   Formula:Addition of Three Numbers

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

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6. 6.

   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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7. 7.

   How many tens are there in the number 48?

   Formula:Place Value

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

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8. 8.

   Fill in the missing number: 10 + ___ = 15.

   Formula:Missing Addend

   $b = \text{total} - a$

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9. 9.

   What is half of 30?

   Formula:Halving

   $h = n \div 2$

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10. 10.

    Add 12 + 16 + 10.

    Formula:Addition of Three Numbers

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

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11. 11.

    How many tens are there in the number 60?

    Formula:Place Value

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

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12. 12.

    Fill in the missing number: 13 + ___ = 18.

    Formula:Missing Addend

    $b = \text{total} - a$

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13. 13.

    Add 17 + 13 + 14.

    Formula:Addition of Three Numbers

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

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14. 14.

    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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15. 15.

    What is double 12?

    Formula:Doubling

    $d = 2 \times n$

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16. 16.

    28 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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17. 17.

    What is half of 36?

    Formula:Halving

    $h = n \div 2$

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18. 18.

    Subtract 15 from 34.

    Formula:Subtraction

    $\text{difference} = a - b$

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19. 19.

    Fill in the missing number: 8 + ___ = 13.

    Formula:Missing Addend

    $b = \text{total} - a$

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20. 20.

    What is half of 36?

    Formula:Halving

    $h = n \div 2$

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