Taiwan · Grade 3 · Practice Sheet 22

1. 1.

   What is double 8?

   Formula:Doubling

   $d = 2 \times n$

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2. 2.

   What is 6 × 5?

   Formula:Multiplication (Times Tables)

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

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3. 3.

   How many tens are there in the number 75?

   Formula:Place Value

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

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4. 4.

   Fill in the missing number: 15 + ___ = 26.

   Formula:Missing Addend

   $b = \text{total} - a$

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5. 5.

   Subtract 38 from 60.

   Formula:Subtraction

   $\text{difference} = a - b$

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6. 6.

   What is 5 × 9?

   Formula:Multiplication (Times Tables)

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

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7. 7.

   Continue the pattern by counting in 3s: 12, 15, ___

   Formula:Skip Counting

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

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8. 8.

   What is half of 30?

   Formula:Halving

   $h = n \div 2$

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9. 9.

   What is 10 × 4?

   Formula:Multiplication (Times Tables)

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

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10. 10.

    Add 77 and 18.

    Formula:Addition

    $\text{sum} = a + b$

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11. 11.

    How many tens are there in the number 14?

    Formula:Place Value

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

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12. 12.

    You have NT$ 4 and NT$ 7. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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13. 13.

    How many tens are there in the number 44?

    Formula:Place Value

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

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14. 14.

    Add 63 and 27.

    Formula:Addition

    $\text{sum} = a + b$

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15. 15.

    Subtract 6 from 99.

    Formula:Subtraction

    $\text{difference} = a - b$

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16. 16.

    Add 18 and 25.

    Formula:Addition

    $\text{sum} = a + b$

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17. 17.

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

    Formula:Skip Counting

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

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18. 18.

    Fill in the missing number: 5 + ___ = 12.

    Formula:Missing Addend

    $b = \text{total} - a$

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19. 19.

    9 sweets are shared equally among 3 children. How many does each child get?

    Formula:Division (Equal Sharing)

    $\text{each} = \text{total} \div \text{groups}$

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20. 20.

    You have NT$ 1 and NT$ 7. How much money do you have altogether?

    Formula:Adding Money

    $\text{total} = a + b$

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