Czechia · Grade 3 · Practice Sheet 30

1. 1.

   What is half of 26?

   Formula:Halving

   $h = n \div 2$

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2. 2.

   What is double 3?

   Formula:Doubling

   $d = 2 \times n$

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3. 3.

   Fill in the missing number: 9 + ___ = 18.

   Formula:Missing Addend

   $b = \text{total} - a$

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4. 4.

   14 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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5. 5.

   Fill in the missing number: 13 + ___ = 28.

   Formula:Missing Addend

   $b = \text{total} - a$

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6. 6.

   There are 3 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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7. 7.

   What is half of 14?

   Formula:Halving

   $h = n \div 2$

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8. 8.

   Subtract 19 from 79.

   Formula:Subtraction

   $\text{difference} = a - b$

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9. 9.

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

   Formula:Adding Money

   $\text{total} = a + b$

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10. 10.

    What is double 5?

    Formula:Doubling

    $d = 2 \times n$

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11. 11.

    Add 88 and 23.

    Formula:Addition

    $\text{sum} = a + b$

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12. 12.

    Subtract 29 from 48.

    Formula:Subtraction

    $\text{difference} = a - b$

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13. 13.

    There are 2 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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14. 14.

    18 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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15. 15.

    Add 6 + 16 + 20.

    Formula:Addition of Three Numbers

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

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16. 16.

    Subtract 18 from 72.

    Formula:Subtraction

    $\text{difference} = a - b$

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17. 17.

    You have Kč 9 and Kč 3. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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18. 18.

    Fill in the missing number: 2 + ___ = 12.

    Formula:Missing Addend

    $b = \text{total} - a$

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19. 19.

    Add 18 and 17.

    Formula:Addition

    $\text{sum} = a + b$

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20. 20.

    Add 2 + 4 + 5.

    Formula:Addition of Three Numbers

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

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