Portugal · Ano 2 · Practice Sheet 28

1. 1.

   Subtract 20 from 77.

   Formula:Subtraction

   $\text{difference} = a - b$

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2. 2.

   Continue the pattern by counting in 3s: 6, 9, ___

   Formula:Skip Counting

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

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3. 3.

   What is 4 + 5?

   Formula:Addition

   $\text{sum} = a + b$

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4. 4.

   Add 19 + 4 + 20.

   Formula:Addition of Three Numbers

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

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5. 5.

   What is 4 + 2?

   Formula:Addition

   $\text{sum} = a + b$

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6. 6.

   What is half of 40?

   Formula:Halving

   $h = n \div 2$

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7. 7.

   What is 2 × 2?

   Formula:Multiplication (Times Tables)

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

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8. 8.

   Add 16 + 8 + 7.

   Formula:Addition of Three Numbers

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

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9. 9.

   Continue the pattern by counting in 5s: 15, 20, ___

   Formula:Skip Counting

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

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10. 10.

    What is 6 − 5?

    Formula:Subtraction

    $\text{difference} = a - b$

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11. 11.

    Add 61 and 60.

    Formula:Addition

    $\text{sum} = a + b$

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12. 12.

    Add 17 + 7 + 20.

    Formula:Addition of Three Numbers

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

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13. 13.

    You have €3 and €8. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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14. 14.

    What is 1 + 3?

    Formula:Addition

    $\text{sum} = a + b$

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15. 15.

    What is 6 × 3?

    Formula:Multiplication (Times Tables)

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

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16. 16.

    What is half of 18?

    Formula:Halving

    $h = n \div 2$

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17. 17.

    Subtract 10 from 53.

    Formula:Subtraction

    $\text{difference} = a - b$

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18. 18.

    There are 2 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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19. 19.

    Add 15 + 4 + 14.

    Formula:Addition of Three Numbers

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

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20. 20.

    What is 11 − 7?

    Formula:Subtraction

    $\text{difference} = a - b$

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