Portugal · Ano 3 · Practice Sheet 43

1. 1.

   Add 76 and 49.

   Formula:Addition

   $\text{sum} = a + b$

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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.

   Fill in the missing number: 5 + ___ = 10.

   Formula:Missing Addend

   $b = \text{total} - a$

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4. 4.

   Add 6 + 2 + 5.

   Formula:Addition of Three Numbers

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

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5. 5.

   You have €4 and €2. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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6. 6.

   Fill in the missing number: 12 + ___ = 19.

   Formula:Missing Addend

   $b = \text{total} - a$

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7. 7.

   Add 25 and 28.

   Formula:Addition

   $\text{sum} = a + b$

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8. 8.

   What is half of 20?

   Formula:Halving

   $h = n \div 2$

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9. 9.

   Fill in the missing number: 6 + ___ = 9.

   Formula:Missing Addend

   $b = \text{total} - a$

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10. 10.

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

    Formula:Adding Money

    $\text{total} = a + b$

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11. 11.

    Add 85 and 21.

    Formula:Addition

    $\text{sum} = a + b$

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12. 12.

    Subtract 14 from 41.

    Formula:Subtraction

    $\text{difference} = a - b$

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13. 13.

    What is half of 38?

    Formula:Halving

    $h = n \div 2$

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14. 14.

    How many tens are there in the number 56?

    Formula:Place Value

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

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15. 15.

    Add 69 and 6.

    Formula:Addition

    $\text{sum} = a + b$

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16. 16.

    Fill in the missing number: 9 + ___ = 19.

    Formula:Missing Addend

    $b = \text{total} - a$

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17. 17.

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

    Formula:Adding Money

    $\text{total} = a + b$

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18. 18.

    Add 18 + 14 + 2.

    Formula:Addition of Three Numbers

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

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19. 19.

    There are 5 bags with 4 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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20. 20.

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

    Formula:Skip Counting

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

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