China · Grade 2 · Practice Sheet 50

1. 1.

   What is double 12?

   Formula:Doubling

   $d = 2 \times n$

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2. 2.

   What is half of 28?

   Formula:Halving

   $h = n \div 2$

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3. 3.

   Add 5 + 19 + 3.

   Formula:Addition of Three Numbers

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

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4. 4.

   What is 3 × 5?

   Formula:Multiplication (Times Tables)

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

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5. 5.

   What is 3 + 4?

   Formula:Addition

   $\text{sum} = a + b$

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6. 6.

   What is half of 32?

   Formula:Halving

   $h = n \div 2$

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7. 7.

   What is 10 × 7?

   Formula:Multiplication (Times Tables)

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

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8. 8.

   Fill in the missing number: 12 + ___ = 20.

   Formula:Missing Addend

   $b = \text{total} - a$

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9. 9.

   What is double 18?

   Formula:Doubling

   $d = 2 \times n$

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10. 10.

    Subtract 37 from 42.

    Formula:Subtraction

    $\text{difference} = a - b$

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11. 11.

    Add 12 and 28.

    Formula:Addition

    $\text{sum} = a + b$

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12. 12.

    What is double 3?

    Formula:Doubling

    $d = 2 \times n$

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13. 13.

    Add 82 and 29.

    Formula:Addition

    $\text{sum} = a + b$

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14. 14.

    Fill in the missing number: 11 + ___ = 13.

    Formula:Missing Addend

    $b = \text{total} - a$

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15. 15.

    What is double 14?

    Formula:Doubling

    $d = 2 \times n$

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16. 16.

    Subtract 21 from 62.

    Formula:Subtraction

    $\text{difference} = a - b$

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17. 17.

    There are 6 bags with 3 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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18. 18.

    What is 7 × 7?

    Formula:Multiplication (Times Tables)

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

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19. 19.

    Add 76 and 39.

    Formula:Addition

    $\text{sum} = a + b$

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20. 20.

    You have ¥5 and ¥1. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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