Portugal · Ano 2 · Practice Sheet 41

1. 1.

   What is half of 26?

   Formula:Halving

   $h = n \div 2$

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2. 2.

   Subtract 28 from 42.

   Formula:Subtraction

   $\text{difference} = a - b$

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3. 3.

   Add 14 and 46.

   Formula:Addition

   $\text{sum} = a + b$

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4. 4.

   What is half of 6?

   Formula:Halving

   $h = n \div 2$

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5. 5.

   Add 89 and 23.

   Formula:Addition

   $\text{sum} = a + b$

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6. 6.

   Fill in the missing number: 9 + ___ = 13.

   Formula:Missing Addend

   $b = \text{total} - a$

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7. 7.

   Add 11 and 47.

   Formula:Addition

   $\text{sum} = a + b$

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8. 8.

   Continue the pattern by counting in 3s: 12, 15, ___

   Formula:Skip Counting

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

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9. 9.

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

   Formula:Adding Money

   $\text{total} = a + b$

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10. 10.

    Subtract 34 from 70.

    Formula:Subtraction

    $\text{difference} = a - b$

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11. 11.

    What is half of 20?

    Formula:Halving

    $h = n \div 2$

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12. 12.

    What is double 10?

    Formula:Doubling

    $d = 2 \times n$

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13. 13.

    Fill in the missing number: 7 + ___ = 15.

    Formula:Missing Addend

    $b = \text{total} - a$

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14. 14.

    What is 3 + 3?

    Formula:Addition

    $\text{sum} = a + b$

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15. 15.

    Add 61 and 35.

    Formula:Addition

    $\text{sum} = a + b$

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16. 16.

    Subtract 58 from 69.

    Formula:Subtraction

    $\text{difference} = a - b$

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17. 17.

    What is double 8?

    Formula:Doubling

    $d = 2 \times n$

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18. 18.

    You have €7 and €4. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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19. 19.

    How many tens are there in the number 46?

    Formula:Place Value

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

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20. 20.

    You have €1 and €2. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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