Pakistan · Class 4 · Practice Sheet 48

1. 1.

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

   Formula:Area of a Square

   $A = s^2$

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2. 2.

   Convert 7.08 kilometres into metres.

   Formula:Metric Length Conversion

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

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3. 3.

   What is 8 × 10?

   Formula:Multiplication (Times Tables)

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

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4. 4.

   Calculate 128 ÷ 4.

   Formula:Division

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

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5. 5.

   Calculate 77 × 11.

   Formula:Multiplication

   $p = a \times b$

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6. 6.

   Find the area of a square with side length 9 cm.

   Formula:Area of a Square

   $A = s^2$

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7. 7.

   Calculate 187 ÷ 11.

   Formula:Division

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

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8. 8.

   Find the mean (average) of these numbers: 43, 18, 40, 88, 53, 28.

   Formula:Arithmetic Mean

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

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9. 9.

   Calculate 49 × 9.

   Formula:Multiplication

   $p = a \times b$

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10. 10.

    One item costs ₨8.69. Find the total cost of 17 items.

    Formula:Total Cost

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

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11. 11.

    Calculate 315 ÷ 9.

    Formula:Division

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

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12. 12.

    25 sweets are shared equally among 5 children. How many does each child get?

    Formula:Division (Equal Sharing)

    $\text{each} = \text{total} \div \text{groups}$

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13. 13.

    A rectangle is 15 cm long and 16 cm wide. Find its area.

    Formula:Area of a Rectangle

    $A = l \times w$

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14. 14.

    What is 9 × 7?

    Formula:Multiplication (Times Tables)

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

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15. 15.

    Find the perimeter of a rectangle measuring 21 m by 29 m.

    Formula:Perimeter of a Rectangle

    $P = 2(l + w)$

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16. 16.

    Find the mean (average) of these numbers: 36, 49, 37, 10, 96.

    Formula:Arithmetic Mean

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

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17. 17.

    What is 9 × 5?

    Formula:Multiplication (Times Tables)

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

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18. 18.

    Calculate 61 × 5.

    Formula:Multiplication

    $p = a \times b$

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19. 19.

    Calculate 210 ÷ 7.

    Formula:Division

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

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20. 20.

    Find the area of a square with side length 4 cm.

    Formula:Area of a Square

    $A = s^2$

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