Ireland · Year 3 · Practice Sheet 4

1. 1.

   Fill in the missing number: 5 + ___ = 9.

   Formula:Missing Addend

   $b = \text{total} - a$

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2. 2.

   Add 15 + 18 + 13.

   Formula:Addition of Three Numbers

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

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3. 3.

   What is double 22?

   Formula:Doubling

   $d = 2 \times n$

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4. 4.

   What is half of 42?

   Formula:Halving

   $h = n \div 2$

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5. 5.

   Add 41 and 41.

   Formula:Addition

   $\text{sum} = a + b$

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6. 6.

   What is half of 16?

   Formula:Halving

   $h = n \div 2$

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7. 7.

   You have €3 and €7. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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8. 8.

   Subtract 38 from 79.

   Formula:Subtraction

   $\text{difference} = a - b$

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9. 9.

   You have €3 and €9. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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10. 10.

    Add 14 + 8 + 4.

    Formula:Addition of Three Numbers

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

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11. 11.

    What is half of 26?

    Formula:Halving

    $h = n \div 2$

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12. 12.

    Fill in the missing number: 2 + ___ = 11.

    Formula:Missing Addend

    $b = \text{total} - a$

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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 double 13?

    Formula:Doubling

    $d = 2 \times n$

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15. 15.

    What is half of 26?

    Formula:Halving

    $h = n \div 2$

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16. 16.

    What is 9 × 8?

    Formula:Multiplication (Times Tables)

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

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17. 17.

    How many tens are there in the number 12?

    Formula:Place Value

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

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18. 18.

    Add 85 and 53.

    Formula:Addition

    $\text{sum} = a + b$

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19. 19.

    Add 19 + 5 + 17.

    Formula:Addition of Three Numbers

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

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20. 20.

    Add 85 and 27.

    Formula:Addition

    $\text{sum} = a + b$

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