Portugal · Ano 3 · Practice Sheet 29

1. 1.

   What is double 15?

   Formula:Doubling

   $d = 2 \times n$

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2. 2.

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

   Formula:Adding Money

   $\text{total} = a + b$

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3. 3.

   Subtract 24 from 42.

   Formula:Subtraction

   $\text{difference} = a - b$

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4. 4.

   24 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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5. 5.

   What is 7 × 9?

   Formula:Multiplication (Times Tables)

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

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6. 6.

   Fill in the missing number: 3 + ___ = 7.

   Formula:Missing Addend

   $b = \text{total} - a$

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7. 7.

   How many tens are there in the number 82?

   Formula:Place Value

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

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8. 8.

   Fill in the missing number: 14 + ___ = 24.

   Formula:Missing Addend

   $b = \text{total} - a$

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9. 9.

   What is half of 24?

   Formula:Halving

   $h = n \div 2$

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10. 10.

    Fill in the missing number: 15 + ___ = 23.

    Formula:Missing Addend

    $b = \text{total} - a$

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11. 11.

    8 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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12. 12.

    You have €1 and €9. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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13. 13.

    What is double 11?

    Formula:Doubling

    $d = 2 \times n$

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14. 14.

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

    Formula:Adding Money

    $\text{total} = a + b$

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15. 15.

    What is double 6?

    Formula:Doubling

    $d = 2 \times n$

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16. 16.

    What is half of 20?

    Formula:Halving

    $h = n \div 2$

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17. 17.

    Add 38 and 30.

    Formula:Addition

    $\text{sum} = a + b$

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18. 18.

    Add 19 + 11 + 19.

    Formula:Addition of Three Numbers

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

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19. 19.

    What is 10 × 7?

    Formula:Multiplication (Times Tables)

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

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20. 20.

    What is half of 8?

    Formula:Halving

    $h = n \div 2$

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