New Zealand · Year 3 · Practice Sheet 28

1. 1.

   What is half of 40?

   Formula:Halving

   $h = n \div 2$

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2. 2.

   Subtract 34 from 47.

   Formula:Subtraction

   $\text{difference} = a - b$

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3. 3.

   How many tens are there in the number 74?

   Formula:Place Value

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

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4. 4.

   What is 10 × 9?

   Formula:Multiplication (Times Tables)

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

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5. 5.

   Continue the pattern by counting in 2s: 4, 6, ___

   Formula:Skip Counting

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

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6. 6.

   Add 83 and 7.

   Formula:Addition

   $\text{sum} = a + b$

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7. 7.

   What is double 22?

   Formula:Doubling

   $d = 2 \times n$

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8. 8.

   You have $2 and $9. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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9. 9.

   Fill in the missing number: 4 + ___ = 17.

   Formula:Missing Addend

   $b = \text{total} - a$

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10. 10.

    Add 12 and 32.

    Formula:Addition

    $\text{sum} = a + b$

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11. 11.

    What is double 8?

    Formula:Doubling

    $d = 2 \times n$

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12. 12.

    Fill in the missing number: 6 + ___ = 8.

    Formula:Missing Addend

    $b = \text{total} - a$

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13. 13.

    Subtract 18 from 44.

    Formula:Subtraction

    $\text{difference} = a - b$

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14. 14.

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

    Formula:Skip Counting

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

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15. 15.

    How many tens are there in the number 74?

    Formula:Place Value

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

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16. 16.

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

    Formula:Missing Addend

    $b = \text{total} - a$

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17. 17.

    What is double 23?

    Formula:Doubling

    $d = 2 \times n$

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18. 18.

    Add 51 and 42.

    Formula:Addition

    $\text{sum} = a + b$

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19. 19.

    How many tens are there in the number 65?

    Formula:Place Value

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

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20. 20.

    What is double 25?

    Formula:Doubling

    $d = 2 \times n$

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