Portugal · Ano 3 · Practice Sheet 2

1. 1.

   Add 8 + 3 + 5.

   Formula:Addition of Three Numbers

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

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2. 2.

   Add 59 and 16.

   Formula:Addition

   $\text{sum} = a + b$

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3. 3.

   You have €9 and €8. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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4. 4.

   What is half of 18?

   Formula:Halving

   $h = n \div 2$

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5. 5.

   Add 3 + 8 + 17.

   Formula:Addition of Three Numbers

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

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6. 6.

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

   Formula:Missing Addend

   $b = \text{total} - a$

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7. 7.

   How many tens are there in the number 60?

   Formula:Place Value

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

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8. 8.

   Add 65 and 46.

   Formula:Addition

   $\text{sum} = a + b$

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9. 9.

   12 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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10. 10.

    Add 28 and 60.

    Formula:Addition

    $\text{sum} = a + b$

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11. 11.

    Subtract 29 from 41.

    Formula:Subtraction

    $\text{difference} = a - b$

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12. 12.

    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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13. 13.

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

    Formula:Missing Addend

    $b = \text{total} - a$

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14. 14.

    What is double 19?

    Formula:Doubling

    $d = 2 \times n$

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15. 15.

    What is 7 × 4?

    Formula:Multiplication (Times Tables)

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

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16. 16.

    Add 44 and 49.

    Formula:Addition

    $\text{sum} = a + b$

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17. 17.

    What is half of 26?

    Formula:Halving

    $h = n \div 2$

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18. 18.

    Add 2 + 11 + 17.

    Formula:Addition of Three Numbers

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

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19. 19.

    Add 71 and 19.

    Formula:Addition

    $\text{sum} = a + b$

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20. 20.

    Subtract 5 from 46.

    Formula:Subtraction

    $\text{difference} = a - b$

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