China · Grade 2 · Practice Sheet 5

1. 1.

   Add 4 + 13 + 10.

   Formula:Addition of Three Numbers

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

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2. 2.

   Add 21 and 20.

   Formula:Addition

   $\text{sum} = a + b$

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3. 3.

   Subtract 59 from 73.

   Formula:Subtraction

   $\text{difference} = a - b$

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4. 4.

   What is 18 − 8?

   Formula:Subtraction

   $\text{difference} = a - b$

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5. 5.

   Fill in the missing number: 10 + ___ = 14.

   Formula:Missing Addend

   $b = \text{total} - a$

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6. 6.

   Subtract 28 from 70.

   Formula:Subtraction

   $\text{difference} = a - b$

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7. 7.

   What is 14 − 1?

   Formula:Subtraction

   $\text{difference} = a - b$

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8. 8.

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

   Formula:Adding Money

   $\text{total} = a + b$

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9. 9.

   How many tens are there in the number 10?

   Formula:Place Value

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

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10. 10.

    What is half of 36?

    Formula:Halving

    $h = n \div 2$

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11. 11.

    What is 5 × 6?

    Formula:Multiplication (Times Tables)

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

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12. 12.

    There are 2 bags with 8 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 double 17?

    Formula:Doubling

    $d = 2 \times n$

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14. 14.

    What is half of 30?

    Formula:Halving

    $h = n \div 2$

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15. 15.

    Subtract 16 from 87.

    Formula:Subtraction

    $\text{difference} = a - b$

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16. 16.

    What is half of 46?

    Formula:Halving

    $h = n \div 2$

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17. 17.

    What is double 9?

    Formula:Doubling

    $d = 2 \times n$

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18. 18.

    Add 54 and 40.

    Formula:Addition

    $\text{sum} = a + b$

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19. 19.

    What is 1 + 3?

    Formula:Addition

    $\text{sum} = a + b$

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20. 20.

    Continue the pattern by counting in 5s: 0, 5, ___

    Formula:Skip Counting

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

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