Nepal · Class 4 · Practice Sheet 36

1. 1.

   An item costs Rs 26.43 and you pay with Rs 40. How much change do you get?

   Formula:Change Due

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

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2. 2.

   Find the mean (average) of these numbers: 97, 91, 85, 40, 40.

   Formula:Arithmetic Mean

   $\bar{x} = \dfrac{\sum x}{n}$

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3. 3.

   An item costs Rs 17.5 and you pay with Rs 30. How much change do you get?

   Formula:Change Due

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

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4. 4.

   What is 5 × 2?

   Formula:Multiplication (Times Tables)

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

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5. 5.

   Calculate 144 ÷ 6.

   Formula:Division

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

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6. 6.

   Find the perimeter of a rectangle measuring 18 m by 23 m.

   Formula:Perimeter of a Rectangle

   $P = 2(l + w)$

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7. 7.

   A rectangle is 22 cm long and 7 cm wide. Find its area.

   Formula:Area of a Rectangle

   $A = l \times w$

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8. 8.

   Convert 1.62 kilometres into metres.

   Formula:Metric Length Conversion

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

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9. 9.

   Calculate 16 ÷ 4.

   Formula:Division

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

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10. 10.

    Find the area of a square with side length 18 cm.

    Formula:Area of a Square

    $A = s^2$

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11. 11.

    What is 2 × 8?

    Formula:Multiplication (Times Tables)

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

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12. 12.

    Find 2/3 of 60.

    Formula:Fraction of a Quantity

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

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13. 13.

    One item costs Rs 7.68. Find the total cost of 18 items.

    Formula:Total Cost

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

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14. 14.

    Calculate 81 × 9.

    Formula:Multiplication

    $p = a \times b$

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15. 15.

    One item costs Rs 19.64. Find the total cost of 5 items.

    Formula:Total Cost

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

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16. 16.

    Find the area of a square with side length 27 cm.

    Formula:Area of a Square

    $A = s^2$

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17. 17.

    Calculate 79 × 4.

    Formula:Multiplication

    $p = a \times b$

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18. 18.

    Find 2/5 of 100.

    Formula:Fraction of a Quantity

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

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19. 19.

    Calculate 72 × 12.

    Formula:Multiplication

    $p = a \times b$

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20. 20.

    One item costs Rs 15.42. Find the total cost of 17 items.

    Formula:Total Cost

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

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