Cambodia · Grade 4 · Practice Sheet 36

1. 1.

   An item costs ៛ 5.61 and you pay with ៛ 20. How much change do you get?

   Formula:Change Due

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

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2. 2.

   A rectangle is 29 cm long and 17 cm wide. Find its area.

   Formula:Area of a Rectangle

   $A = l \times w$

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3. 3.

   One item costs ៛ 4.94. Find the total cost of 6 items.

   Formula:Total Cost

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

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4. 4.

   Calculate 27 ÷ 3.

   Formula:Division

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

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5. 5.

   Convert 4.04 kilometres into metres.

   Formula:Metric Length Conversion

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

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6. 6.

   Calculate 24 ÷ 6.

   Formula:Division

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

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7. 7.

   Find 3/4 of 24.

   Formula:Fraction of a Quantity

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

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8. 8.

   Find the area of a square with side length 26 cm.

   Formula:Area of a Square

   $A = s^2$

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9. 9.

   A rectangle is 37 cm long and 22 cm wide. Find its area.

   Formula:Area of a Rectangle

   $A = l \times w$

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10. 10.

    Convert 5.78 kilometres into metres.

    Formula:Metric Length Conversion

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

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11. 11.

    Calculate 37 × 4.

    Formula:Multiplication

    $p = a \times b$

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12. 12.

    A rectangle is 10 cm long and 3 cm wide. Find its area.

    Formula:Area of a Rectangle

    $A = l \times w$

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13. 13.

    Find the perimeter of a rectangle measuring 17 m by 10 m.

    Formula:Perimeter of a Rectangle

    $P = 2(l + w)$

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14. 14.

    A rectangle is 16 cm long and 22 cm wide. Find its area.

    Formula:Area of a Rectangle

    $A = l \times w$

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15. 15.

    Convert 1.75 kilometres into metres.

    Formula:Metric Length Conversion

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

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16. 16.

    Calculate 42 ÷ 7.

    Formula:Division

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

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17. 17.

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

    Formula:Area of a Square

    $A = s^2$

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18. 18.

    One item costs ៛ 3.39. Find the total cost of 11 items.

    Formula:Total Cost

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

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19. 19.

    What is 6 × 3?

    Formula:Multiplication (Times Tables)

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

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20. 20.

    Find the area of a square with side length 10 cm.

    Formula:Area of a Square

    $A = s^2$

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