Portugal · Ano 3 · Practice Sheet 30

1. 1.

   What is 7 × 8?

   Formula:Multiplication (Times Tables)

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

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2. 2.

   Fill in the missing number: 8 + ___ = 16.

   Formula:Missing Addend

   $b = \text{total} - a$

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3. 3.

   You have €5 and €1. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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4. 4.

   Fill in the missing number: 2 + ___ = 16.

   Formula:Missing Addend

   $b = \text{total} - a$

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5. 5.

   What is double 2?

   Formula:Doubling

   $d = 2 \times n$

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6. 6.

   How many tens are there in the number 73?

   Formula:Place Value

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

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7. 7.

   Add 13 + 16 + 9.

   Formula:Addition of Three Numbers

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

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8. 8.

   Continue the pattern by counting in 10s: 20, 30, ___

   Formula:Skip Counting

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

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9. 9.

   Subtract 31 from 51.

   Formula:Subtraction

   $\text{difference} = a - b$

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10. 10.

    Add 70 and 28.

    Formula:Addition

    $\text{sum} = a + b$

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11. 11.

    Fill in the missing number: 2 + ___ = 8.

    Formula:Missing Addend

    $b = \text{total} - a$

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12. 12.

    How many tens are there in the number 15?

    Formula:Place Value

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

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13. 13.

    What is 7 × 9?

    Formula:Multiplication (Times Tables)

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

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14. 14.

    How many tens are there in the number 46?

    Formula:Place Value

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

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15. 15.

    Add 33 and 18.

    Formula:Addition

    $\text{sum} = a + b$

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16. 16.

    What is half of 24?

    Formula:Halving

    $h = n \div 2$

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17. 17.

    Fill in the missing number: 7 + ___ = 11.

    Formula:Missing Addend

    $b = \text{total} - a$

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18. 18.

    How many tens are there in the number 94?

    Formula:Place Value

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

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19. 19.

    Subtract 41 from 47.

    Formula:Subtraction

    $\text{difference} = a - b$

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20. 20.

    You have €7 and €6. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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