China · Grade 2 · Practice Sheet 25

1. 1.

   Subtract 28 from 82.

   Formula:Subtraction

   $\text{difference} = a - b$

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2. 2.

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

   Formula:Adding Money

   $\text{total} = a + b$

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3. 3.

   Add 55 and 30.

   Formula:Addition

   $\text{sum} = a + b$

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4. 4.

   Continue the pattern by counting in 3s: 3, 6, ___

   Formula:Skip Counting

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

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5. 5.

   What is 6 + 8?

   Formula:Addition

   $\text{sum} = a + b$

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6. 6.

   Continue the pattern by counting in 5s: 20, 25, ___

   Formula:Skip Counting

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

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7. 7.

   Add 17 + 9 + 12.

   Formula:Addition of Three Numbers

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

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8. 8.

   Continue the pattern by counting in 10s: 30, 40, ___

   Formula:Skip Counting

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

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9. 9.

   What is double 22?

   Formula:Doubling

   $d = 2 \times n$

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10. 10.

    What is half of 34?

    Formula:Halving

    $h = n \div 2$

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11. 11.

    There are 4 bags with 6 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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12. 12.

    You have ¥4 and ¥6. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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13. 13.

    What is half of 20?

    Formula:Halving

    $h = n \div 2$

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14. 14.

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

    Formula:Adding Money

    $\text{total} = a + b$

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15. 15.

    How many tens are there in the number 12?

    Formula:Place Value

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

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16. 16.

    Add 3 + 13 + 20.

    Formula:Addition of Three Numbers

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

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17. 17.

    What is 10 × 8?

    Formula:Multiplication (Times Tables)

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

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18. 18.

    Subtract 18 from 53.

    Formula:Subtraction

    $\text{difference} = a - b$

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19. 19.

    Fill in the missing number: 3 + ___ = 11.

    Formula:Missing Addend

    $b = \text{total} - a$

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20. 20.

    Add 12 + 10 + 19.

    Formula:Addition of Three Numbers

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

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