Portugal · Ano 3 · Practice Sheet 39

1. 1.

   You have €1 and €5. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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2. 2.

   Add 70 and 31.

   Formula:Addition

   $\text{sum} = a + b$

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3. 3.

   What is half of 34?

   Formula:Halving

   $h = n \div 2$

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4. 4.

   Add 77 and 21.

   Formula:Addition

   $\text{sum} = a + b$

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5. 5.

   Subtract 58 from 83.

   Formula:Subtraction

   $\text{difference} = a - b$

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6. 6.

   What is 4 × 10?

   Formula:Multiplication (Times Tables)

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

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7. 7.

   Add 7 + 20 + 14.

   Formula:Addition of Three Numbers

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

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8. 8.

   Fill in the missing number: 13 + ___ = 16.

   Formula:Missing Addend

   $b = \text{total} - a$

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9. 9.

   Add 81 and 12.

   Formula:Addition

   $\text{sum} = a + b$

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10. 10.

    Subtract 21 from 78.

    Formula:Subtraction

    $\text{difference} = a - b$

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11. 11.

    What is half of 6?

    Formula:Halving

    $h = n \div 2$

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12. 12.

    You have €5 and €9. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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13. 13.

    How many tens are there in the number 90?

    Formula:Place Value

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

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14. 14.

    Continue the pattern by counting in 5s: 0, 5, ___

    Formula:Skip Counting

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

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15. 15.

    What is half of 38?

    Formula:Halving

    $h = n \div 2$

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16. 16.

    You have €6 and €5. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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17. 17.

    What is double 13?

    Formula:Doubling

    $d = 2 \times n$

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18. 18.

    Continue the pattern by counting in 2s: 2, 4, ___

    Formula:Skip Counting

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

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19. 19.

    35 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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20. 20.

    There are 5 bags with 6 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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