Hong Kong · Grade 2 · Practice Sheet 46

1. 1.

   There are 4 bags with 4 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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2. 2.

   You have HK$ 5 and HK$ 4. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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3. 3.

   What is 9 + 1?

   Formula:Addition

   $\text{sum} = a + b$

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4. 4.

   What is double 17?

   Formula:Doubling

   $d = 2 \times n$

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5. 5.

   Add 19 + 15 + 19.

   Formula:Addition of Three Numbers

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

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6. 6.

   What is half of 18?

   Formula:Halving

   $h = n \div 2$

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7. 7.

   You have HK$ 2 and HK$ 8. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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8. 8.

   Fill in the missing number: 4 + ___ = 12.

   Formula:Missing Addend

   $b = \text{total} - a$

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9. 9.

   How many tens are there in the number 72?

   Formula:Place Value

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

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10. 10.

    There are 3 bags with 4 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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11. 11.

    Add 25 and 18.

    Formula:Addition

    $\text{sum} = a + b$

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12. 12.

    Fill in the missing number: 8 + ___ = 21.

    Formula:Missing Addend

    $b = \text{total} - a$

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13. 13.

    There are 5 bags with 4 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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14. 14.

    Subtract 5 from 38.

    Formula:Subtraction

    $\text{difference} = a - b$

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15. 15.

    Add 85 and 51.

    Formula:Addition

    $\text{sum} = a + b$

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16. 16.

    What is half of 44?

    Formula:Halving

    $h = n \div 2$

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17. 17.

    Subtract 24 from 87.

    Formula:Subtraction

    $\text{difference} = a - b$

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18. 18.

    How many tens are there in the number 41?

    Formula:Place Value

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

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19. 19.

    Add 11 + 9 + 13.

    Formula:Addition of Three Numbers

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

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20. 20.

    What is double 10?

    Formula:Doubling

    $d = 2 \times n$

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