Taiwan · Grade 2 · Practice Sheet 9

1. 1.

   There are 6 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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2. 2.

   What is double 19?

   Formula:Doubling

   $d = 2 \times n$

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3. 3.

   What is 9 + 5?

   Formula:Addition

   $\text{sum} = a + b$

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4. 4.

   Add 27 and 9.

   Formula:Addition

   $\text{sum} = a + b$

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5. 5.

   Add 8 + 4 + 3.

   Formula:Addition of Three Numbers

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

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6. 6.

   What is 10 − 4?

   Formula:Subtraction

   $\text{difference} = a - b$

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7. 7.

   What is 4 × 5?

   Formula:Multiplication (Times Tables)

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

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8. 8.

   What is 7 − 3?

   Formula:Subtraction

   $\text{difference} = a - b$

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9. 9.

   What is double 6?

   Formula:Doubling

   $d = 2 \times n$

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10. 10.

    You have NT$ 3 and NT$ 3. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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11. 11.

    Fill in the missing number: 12 + ___ = 14.

    Formula:Missing Addend

    $b = \text{total} - a$

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12. 12.

    What is double 24?

    Formula:Doubling

    $d = 2 \times n$

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13. 13.

    Add 2 + 15 + 18.

    Formula:Addition of Three Numbers

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

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14. 14.

    Subtract 38 from 53.

    Formula:Subtraction

    $\text{difference} = a - b$

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15. 15.

    Add 18 + 18 + 8.

    Formula:Addition of Three Numbers

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

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16. 16.

    Add 23 and 42.

    Formula:Addition

    $\text{sum} = a + b$

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17. 17.

    What is 17 − 14?

    Formula:Subtraction

    $\text{difference} = a - b$

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18. 18.

    You have NT$ 4 and NT$ 9. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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19. 19.

    What is half of 26?

    Formula:Halving

    $h = n \div 2$

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20. 20.

    Fill in the missing number: 11 + ___ = 25.

    Formula:Missing Addend

    $b = \text{total} - a$

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