Portugal · Ano 2 · Practice Sheet 20

1. 1.

   There are 6 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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2. 2.

   What is double 20?

   Formula:Doubling

   $d = 2 \times n$

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3. 3.

   There are 5 bags with 2 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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4. 4.

   What is 12 − 2?

   Formula:Subtraction

   $\text{difference} = a - b$

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5. 5.

   You have €9 and €7. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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6. 6.

   What is double 14?

   Formula:Doubling

   $d = 2 \times n$

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7. 7.

   Add 7 + 13 + 4.

   Formula:Addition of Three Numbers

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

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8. 8.

   Add 28 and 20.

   Formula:Addition

   $\text{sum} = a + b$

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9. 9.

   How many tens are there in the number 14?

   Formula:Place Value

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

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10. 10.

    Add 49 and 32.

    Formula:Addition

    $\text{sum} = a + b$

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11. 11.

    What is half of 38?

    Formula:Halving

    $h = n \div 2$

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12. 12.

    What is double 18?

    Formula:Doubling

    $d = 2 \times n$

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13. 13.

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

    Formula:Missing Addend

    $b = \text{total} - a$

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14. 14.

    Subtract 27 from 37.

    Formula:Subtraction

    $\text{difference} = a - b$

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15. 15.

    What is double 10?

    Formula:Doubling

    $d = 2 \times n$

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16. 16.

    What is half of 46?

    Formula:Halving

    $h = n \div 2$

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17. 17.

    Fill in the missing number: 15 + ___ = 30.

    Formula:Missing Addend

    $b = \text{total} - a$

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18. 18.

    How many tens are there in the number 22?

    Formula:Place Value

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

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19. 19.

    What is 12 − 6?

    Formula:Subtraction

    $\text{difference} = a - b$

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20. 20.

    Fill in the missing number: 9 + ___ = 15.

    Formula:Missing Addend

    $b = \text{total} - a$

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