Thailand · Grade 4 · Practice Sheet 25

1. 1.

   A rectangle is 15 cm long and 25 cm wide. Find its area.

   Formula:Area of a Rectangle

   $A = l \times w$

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2. 2.

   Calculate 31 × 7.

   Formula:Multiplication

   $p = a \times b$

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3. 3.

   Find 2/3 of 36.

   Formula:Fraction of a Quantity

   $\text{result} = \dfrac{a}{b} \times N$

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4. 4.

   Convert 11.95 kilometres into metres.

   Formula:Metric Length Conversion

   $1\,\text{km} = 1000\,\text{m}$

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5. 5.

   Calculate 72 × 7.

   Formula:Multiplication

   $p = a \times b$

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6. 6.

   Calculate 154 ÷ 11.

   Formula:Division

   $q = \dfrac{a}{b}$

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7. 7.

   An item costs ฿34.39 and you pay with ฿40. How much change do you get?

   Formula:Change Due

   $\text{change} = \text{paid} - \text{cost}$

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8. 8.

   Calculate 108 ÷ 6.

   Formula:Division

   $q = \dfrac{a}{b}$

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9. 9.

   Calculate 71 × 10.

   Formula:Multiplication

   $p = a \times b$

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10. 10.

    What is 5 × 6?

    Formula:Multiplication (Times Tables)

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

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11. 11.

    Convert 4.09 kilometres into metres.

    Formula:Metric Length Conversion

    $1\,\text{km} = 1000\,\text{m}$

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12. 12.

    Calculate 340 ÷ 10.

    Formula:Division

    $q = \dfrac{a}{b}$

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13. 13.

    Find the area of a square with side length 3 cm.

    Formula:Area of a Square

    $A = s^2$

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14. 14.

    An item costs ฿15.75 and you pay with ฿20. How much change do you get?

    Formula:Change Due

    $\text{change} = \text{paid} - \text{cost}$

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15. 15.

    Calculate 33 × 4.

    Formula:Multiplication

    $p = a \times b$

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16. 16.

    Calculate 76 ÷ 4.

    Formula:Division

    $q = \dfrac{a}{b}$

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17. 17.

    Calculate 16 × 12.

    Formula:Multiplication

    $p = a \times b$

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18. 18.

    A rectangle is 28 cm long and 13 cm wide. Find its area.

    Formula:Area of a Rectangle

    $A = l \times w$

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19. 19.

    Calculate 90 ÷ 9.

    Formula:Division

    $q = \dfrac{a}{b}$

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20. 20.

    One item costs ฿17.76. Find the total cost of 4 items.

    Formula:Total Cost

    $\text{total} = \text{price} \times \text{quantity}$

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