Sri Lanka · Grade 4 · Practice Sheet 12

1. 1.

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

   Formula:Area of a Square

   $A = s^2$

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2. 2.

   A rectangle is 25 cm long and 20 cm wide. Find its area.

   Formula:Area of a Rectangle

   $A = l \times w$

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3. 3.

   Find 6/8 of 72.

   Formula:Fraction of a Quantity

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

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4. 4.

   One item costs Rs 18.56. Find the total cost of 4 items.

   Formula:Total Cost

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

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5. 5.

   Calculate 99 ÷ 11.

   Formula:Division

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

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6. 6.

   An item costs Rs 8.17 and you pay with Rs 20. How much change do you get?

   Formula:Change Due

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

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7. 7.

   Find the area of a square with side length 14 cm.

   Formula:Area of a Square

   $A = s^2$

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8. 8.

   An item costs Rs 7.27 and you pay with Rs 10. How much change do you get?

   Formula:Change Due

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

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9. 9.

   Calculate 160 ÷ 4.

   Formula:Division

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

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10. 10.

    Calculate 92 × 11.

    Formula:Multiplication

    $p = a \times b$

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11. 11.

    One item costs Rs 3.71. Find the total cost of 19 items.

    Formula:Total Cost

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

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12. 12.

    Calculate 116 ÷ 4.

    Formula:Division

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

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13. 13.

    One item costs Rs 7.4. Find the total cost of 4 items.

    Formula:Total Cost

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

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14. 14.

    A rectangle is 6 cm long and 7 cm wide. Find its area.

    Formula:Area of a Rectangle

    $A = l \times w$

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15. 15.

    What is 7 × 10?

    Formula:Multiplication (Times Tables)

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

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16. 16.

    Find the perimeter of a rectangle measuring 42 m by 33 m.

    Formula:Perimeter of a Rectangle

    $P = 2(l + w)$

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17. 17.

    Calculate 115 ÷ 5.

    Formula:Division

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

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18. 18.

    A rectangle is 24 cm long and 28 cm wide. Find its area.

    Formula:Area of a Rectangle

    $A = l \times w$

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19. 19.

    Find the perimeter of a rectangle measuring 25 m by 19 m.

    Formula:Perimeter of a Rectangle

    $P = 2(l + w)$

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20. 20.

    Calculate 41 × 12.

    Formula:Multiplication

    $p = a \times b$

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