Thailand · Grade 3 · Practice Sheet 11

1. 1.

   What is half of 16?

   Formula:Halving

   $h = n \div 2$

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2. 2.

   There are 5 bags with 8 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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3. 3.

   Subtract 50 from 67.

   Formula:Subtraction

   $\text{difference} = a - b$

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4. 4.

   What is half of 16?

   Formula:Halving

   $h = n \div 2$

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5. 5.

   What is 4 × 10?

   Formula:Multiplication (Times Tables)

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

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6. 6.

   You have ฿2 and ฿9. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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7. 7.

   Subtract 66 from 74.

   Formula:Subtraction

   $\text{difference} = a - b$

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8. 8.

   You have ฿3 and ฿6. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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9. 9.

   Continue the pattern by counting in 5s: 15, 20, ___

   Formula:Skip Counting

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

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10. 10.

    Add 18 + 18 + 18.

    Formula:Addition of Three Numbers

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

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11. 11.

    Add 72 and 30.

    Formula:Addition

    $\text{sum} = a + b$

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12. 12.

    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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13. 13.

    What is half of 24?

    Formula:Halving

    $h = n \div 2$

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14. 14.

    Add 13 + 19 + 5.

    Formula:Addition of Three Numbers

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

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15. 15.

    What is double 20?

    Formula:Doubling

    $d = 2 \times n$

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16. 16.

    Subtract 30 from 36.

    Formula:Subtraction

    $\text{difference} = a - b$

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17. 17.

    21 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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18. 18.

    Add 54 and 17.

    Formula:Addition

    $\text{sum} = a + b$

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19. 19.

    What is 6 × 5?

    Formula:Multiplication (Times Tables)

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

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20. 20.

    54 sweets are shared equally among 6 children. How many does each child get?

    Formula:Division (Equal Sharing)

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

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