Taiwan · Grade 2 · Practice Sheet 3

1. 1.

   Subtract 20 from 94.

   Formula:Subtraction

   $\text{difference} = a - b$

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2. 2.

   Add 14 + 6 + 11.

   Formula:Addition of Three Numbers

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

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3. 3.

   What is half of 44?

   Formula:Halving

   $h = n \div 2$

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4. 4.

   Add 79 and 43.

   Formula:Addition

   $\text{sum} = a + b$

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5. 5.

   There are 5 bags with 2 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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6. 6.

   You have NT$ 4 and NT$ 3. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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7. 7.

   How many tens are there in the number 11?

   Formula:Place Value

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

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8. 8.

   Add 14 + 3 + 10.

   Formula:Addition of Three Numbers

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

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9. 9.

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

   Formula:Skip Counting

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

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10. 10.

    What is half of 8?

    Formula:Halving

    $h = n \div 2$

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11. 11.

    Fill in the missing number: 10 + ___ = 22.

    Formula:Missing Addend

    $b = \text{total} - a$

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12. 12.

    How many tens are there in the number 38?

    Formula:Place Value

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

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13. 13.

    Subtract 43 from 53.

    Formula:Subtraction

    $\text{difference} = a - b$

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14. 14.

    Add 12 + 5 + 8.

    Formula:Addition of Three Numbers

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

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15. 15.

    What is double 25?

    Formula:Doubling

    $d = 2 \times n$

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16. 16.

    Fill in the missing number: 15 + ___ = 23.

    Formula:Missing Addend

    $b = \text{total} - a$

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17. 17.

    Add 65 and 23.

    Formula:Addition

    $\text{sum} = a + b$

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18. 18.

    What is 13 − 7?

    Formula:Subtraction

    $\text{difference} = a - b$

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19. 19.

    Add 58 and 48.

    Formula:Addition

    $\text{sum} = a + b$

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20. 20.

    What is 11 − 3?

    Formula:Subtraction

    $\text{difference} = a - b$

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