New Zealand · Year 2 · Practice Sheet 25

1. 1.

   What is half of 18?

   Formula:Halving

   $h = n \div 2$

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2. 2.

   Subtract 10 from 57.

   Formula:Subtraction

   $\text{difference} = a - b$

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3. 3.

   What is half of 16?

   Formula:Halving

   $h = n \div 2$

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4. 4.

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

   Formula:Missing Addend

   $b = \text{total} - a$

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5. 5.

   How many tens are there in the number 53?

   Formula:Place Value

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

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6. 6.

   Fill in the missing number: 7 + ___ = 17.

   Formula:Missing Addend

   $b = \text{total} - a$

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7. 7.

   What is 5 × 8?

   Formula:Multiplication (Times Tables)

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

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8. 8.

   Subtract 22 from 48.

   Formula:Subtraction

   $\text{difference} = a - b$

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9. 9.

   Fill in the missing number: 5 + ___ = 7.

   Formula:Missing Addend

   $b = \text{total} - a$

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10. 10.

    What is 11 − 1?

    Formula:Subtraction

    $\text{difference} = a - b$

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11. 11.

    Subtract 50 from 76.

    Formula:Subtraction

    $\text{difference} = a - b$

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12. 12.

    There are 2 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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13. 13.

    What is half of 34?

    Formula:Halving

    $h = n \div 2$

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14. 14.

    Subtract 20 from 34.

    Formula:Subtraction

    $\text{difference} = a - b$

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15. 15.

    What is double 18?

    Formula:Doubling

    $d = 2 \times n$

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16. 16.

    Add 9 + 9 + 14.

    Formula:Addition of Three Numbers

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

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17. 17.

    How many tens are there in the number 42?

    Formula:Place Value

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

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18. 18.

    Add 4 + 12 + 18.

    Formula:Addition of Three Numbers

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

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19. 19.

    What is half of 44?

    Formula:Halving

    $h = n \div 2$

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20. 20.

    Add 76 and 29.

    Formula:Addition

    $\text{sum} = a + b$

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