Portugal · Ano 3 · Practice Sheet 32

1. 1.

   Subtract 29 from 48.

   Formula:Subtraction

   $\text{difference} = a - b$

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2. 2.

   How many tens are there in the number 11?

   Formula:Place Value

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

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3. 3.

   What is double 22?

   Formula:Doubling

   $d = 2 \times n$

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4. 4.

   Fill in the missing number: 11 + ___ = 13.

   Formula:Missing Addend

   $b = \text{total} - a$

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5. 5.

   There are 3 bags with 7 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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6. 6.

   How many tens are there in the number 22?

   Formula:Place Value

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

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7. 7.

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

   Formula:Skip Counting

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

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8. 8.

   Add 28 and 27.

   Formula:Addition

   $\text{sum} = a + b$

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9. 9.

   20 sweets are shared equally among 5 children. How many does each child get?

   Formula:Division (Equal Sharing)

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

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10. 10.

    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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11. 11.

    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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12. 12.

    What is half of 20?

    Formula:Halving

    $h = n \div 2$

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13. 13.

    Add 8 + 9 + 9.

    Formula:Addition of Three Numbers

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

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14. 14.

    What is double 3?

    Formula:Doubling

    $d = 2 \times n$

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15. 15.

    Add 11 + 6 + 14.

    Formula:Addition of Three Numbers

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

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16. 16.

    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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17. 17.

    You have €2 and €8. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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18. 18.

    Add 50 and 14.

    Formula:Addition

    $\text{sum} = a + b$

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19. 19.

    Continue the pattern by counting in 3s: 0, 3, ___

    Formula:Skip Counting

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

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20. 20.

    Add 85 and 37.

    Formula:Addition

    $\text{sum} = a + b$

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