Cambodia · Grade 4 · Practice Sheet 11

1. 1.

   Find the perimeter of a rectangle measuring 35 m by 25 m.

   Formula:Perimeter of a Rectangle

   $P = 2(l + w)$

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2. 2.

   Calculate 80 × 9.

   Formula:Multiplication

   $p = a \times b$

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3. 3.

   What is 4 × 7?

   Formula:Multiplication (Times Tables)

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

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4. 4.

   A rectangle is 34 cm long and 19 cm wide. Find its area.

   Formula:Area of a Rectangle

   $A = l \times w$

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5. 5.

   An item costs ៛ 19.53 and you pay with ៛ 20. How much change do you get?

   Formula:Change Due

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

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6. 6.

   One item costs ៛ 11.95. Find the total cost of 15 items.

   Formula:Total Cost

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

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7. 7.

   Calculate 58 × 6.

   Formula:Multiplication

   $p = a \times b$

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8. 8.

   One item costs ៛ 14.93. Find the total cost of 3 items.

   Formula:Total Cost

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

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9. 9.

   An item costs ៛ 35.32 and you pay with ៛ 40. How much change do you get?

   Formula:Change Due

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

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10. 10.

    What is 10 × 7?

    Formula:Multiplication (Times Tables)

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

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11. 11.

    18 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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12. 12.

    Find the area of a square with side length 23 cm.

    Formula:Area of a Square

    $A = s^2$

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13. 13.

    Calculate 87 × 6.

    Formula:Multiplication

    $p = a \times b$

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14. 14.

    Calculate 44 ÷ 4.

    Formula:Division

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

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15. 15.

    Calculate 63 × 6.

    Formula:Multiplication

    $p = a \times b$

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16. 16.

    A rectangle is 38 cm long and 7 cm wide. Find its area.

    Formula:Area of a Rectangle

    $A = l \times w$

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17. 17.

    Find the perimeter of a rectangle measuring 16 m by 8 m.

    Formula:Perimeter of a Rectangle

    $P = 2(l + w)$

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18. 18.

    A rectangle is 23 cm long and 7 cm wide. Find its area.

    Formula:Area of a Rectangle

    $A = l \times w$

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19. 19.

    Calculate 297 ÷ 9.

    Formula:Division

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

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20. 20.

    Calculate 20 × 11.

    Formula:Multiplication

    $p = a \times b$

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