Taiwan · Grade 3 · Practice Sheet 20

1. 1.

   How many tens are there in the number 29?

   Formula:Place Value

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

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2. 2.

   35 sweets are shared equally among 5 children. How many does each child get?

   Formula:Division (Equal Sharing)

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

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3. 3.

   Add 33 and 21.

   Formula:Addition

   $\text{sum} = a + b$

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4. 4.

   Add 10 + 19 + 16.

   Formula:Addition of Three Numbers

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

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5. 5.

   There are 5 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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6. 6.

   How many tens are there in the number 14?

   Formula:Place Value

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

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7. 7.

   Add 2 + 2 + 11.

   Formula:Addition of Three Numbers

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

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8. 8.

   What is 10 × 4?

   Formula:Multiplication (Times Tables)

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

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9. 9.

   How many tens are there in the number 44?

   Formula:Place Value

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

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10. 10.

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

    Formula:Skip Counting

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

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11. 11.

    What is half of 6?

    Formula:Halving

    $h = n \div 2$

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12. 12.

    What is double 7?

    Formula:Doubling

    $d = 2 \times n$

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13. 13.

    20 sweets are shared equally among 5 children. How many does each child get?

    Formula:Division (Equal Sharing)

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

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14. 14.

    What is 2 × 3?

    Formula:Multiplication (Times Tables)

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

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15. 15.

    How many tens are there in the number 52?

    Formula:Place Value

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

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16. 16.

    What is double 2?

    Formula:Doubling

    $d = 2 \times n$

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17. 17.

    Add 2 + 14 + 6.

    Formula:Addition of Three Numbers

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

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18. 18.

    What is half of 26?

    Formula:Halving

    $h = n \div 2$

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19. 19.

    Add 20 + 9 + 5.

    Formula:Addition of Three Numbers

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

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20. 20.

    What is double 23?

    Formula:Doubling

    $d = 2 \times n$

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