Thailand · Grade 3 · Practice Sheet 28

1. 1.

   What is half of 48?

   Formula:Halving

   $h = n \div 2$

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2. 2.

   Add 19 + 6 + 2.

   Formula:Addition of Three Numbers

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

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3. 3.

   Add 44 and 32.

   Formula:Addition

   $\text{sum} = a + b$

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4. 4.

   36 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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5. 5.

   Subtract 52 from 99.

   Formula:Subtraction

   $\text{difference} = a - b$

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6. 6.

   How many tens are there in the number 70?

   Formula:Place Value

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

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7. 7.

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

   Formula:Skip Counting

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

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8. 8.

   What is 6 × 9?

   Formula:Multiplication (Times Tables)

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

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9. 9.

   You have ฿3 and ฿5. How much money do you have altogether?

   Formula:Adding Money

   $\text{total} = a + b$

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10. 10.

    Continue the pattern by counting in 5s: 10, 15, ___

    Formula:Skip Counting

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

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11. 11.

    How many tens are there in the number 30?

    Formula:Place Value

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

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12. 12.

    What is 2 × 6?

    Formula:Multiplication (Times Tables)

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

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13. 13.

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

    Formula:Skip Counting

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

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14. 14.

    How many tens are there in the number 55?

    Formula:Place Value

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

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15. 15.

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

    Formula:Skip Counting

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

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16. 16.

    There are 4 bags with 3 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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17. 17.

    Add 15 and 30.

    Formula:Addition

    $\text{sum} = a + b$

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18. 18.

    What is half of 44?

    Formula:Halving

    $h = n \div 2$

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19. 19.

    Continue the pattern by counting in 10s: 40, 50, ___

    Formula:Skip Counting

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

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20. 20.

    Add 76 and 36.

    Formula:Addition

    $\text{sum} = a + b$

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