Portugal · Ano 3 · Practice Sheet 31

1. 1.

   What is double 14?

   Formula:Doubling

   $d = 2 \times n$

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2. 2.

   27 sweets are shared equally among 3 children. How many does each child get?

   Formula:Division (Equal Sharing)

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

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3. 3.

   What is 5 × 9?

   Formula:Multiplication (Times Tables)

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

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4. 4.

   How many tens are there in the number 22?

   Formula:Place Value

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

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5. 5.

   Subtract 18 from 55.

   Formula:Subtraction

   $\text{difference} = a - b$

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6. 6.

   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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7. 7.

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

   Formula:Adding Money

   $\text{total} = a + b$

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8. 8.

   Add 16 + 16 + 7.

   Formula:Addition of Three Numbers

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

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9. 9.

   What is 10 × 4?

   Formula:Multiplication (Times Tables)

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

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10. 10.

    There are 4 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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11. 11.

    How many tens are there in the number 17?

    Formula:Place Value

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

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12. 12.

    Add 38 and 29.

    Formula:Addition

    $\text{sum} = a + b$

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13. 13.

    Subtract 9 from 55.

    Formula:Subtraction

    $\text{difference} = a - b$

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14. 14.

    What is half of 30?

    Formula:Halving

    $h = n \div 2$

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15. 15.

    Add 30 and 45.

    Formula:Addition

    $\text{sum} = a + b$

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16. 16.

    Add 20 + 18 + 15.

    Formula:Addition of Three Numbers

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

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17. 17.

    Continue the pattern by counting in 10s: 40, 50, ___

    Formula:Skip Counting

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

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18. 18.

    18 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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19. 19.

    Add 31 and 51.

    Formula:Addition

    $\text{sum} = a + b$

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20. 20.

    What is double 4?

    Formula:Doubling

    $d = 2 \times n$

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