India · Class 4 · Practice Sheet 22

1. 1.

   Calculate 16 × 11.

   Formula:Multiplication

   $p = a \times b$

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2. 2.

   Find the mean (average) of these numbers: 27, 24, 97, 10, 29.

   Formula:Arithmetic Mean

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

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3. 3.

   One item costs ₹14.04. Find the total cost of 16 items.

   Formula:Total Cost

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

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4. 4.

   Convert 9.06 kilometres into metres.

   Formula:Metric Length Conversion

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

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5. 5.

   Calculate 90 × 3.

   Formula:Multiplication

   $p = a \times b$

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6. 6.

   Find the mean (average) of these numbers: 87, 72, 87, 13, 25.

   Formula:Arithmetic Mean

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

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7. 7.

   A rectangle is 8 cm long and 11 cm wide. Find its area.

   Formula:Area of a Rectangle

   $A = l \times w$

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8. 8.

   Find the perimeter of a rectangle measuring 11 m by 14 m.

   Formula:Perimeter of a Rectangle

   $P = 2(l + w)$

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9. 9.

   A rectangle is 24 cm long and 29 cm wide. Find its area.

   Formula:Area of a Rectangle

   $A = l \times w$

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10. 10.

    What is 4 × 5?

    Formula:Multiplication (Times Tables)

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

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11. 11.

    Calculate 92 × 8.

    Formula:Multiplication

    $p = a \times b$

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12. 12.

    Find the area of a square with side length 20 cm.

    Formula:Area of a Square

    $A = s^2$

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13. 13.

    Find the perimeter of a rectangle measuring 9 m by 31 m.

    Formula:Perimeter of a Rectangle

    $P = 2(l + w)$

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14. 14.

    Find the mean (average) of these numbers: 37, 59, 61, 59, 51, 77.

    Formula:Arithmetic Mean

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

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15. 15.

    One item costs ₹15.23. Find the total cost of 19 items.

    Formula:Total Cost

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

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16. 16.

    Calculate 16 × 10.

    Formula:Multiplication

    $p = a \times b$

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17. 17.

    One item costs ₹4.11. Find the total cost of 7 items.

    Formula:Total Cost

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

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18. 18.

    Calculate 44 × 8.

    Formula:Multiplication

    $p = a \times b$

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19. 19.

    Find the perimeter of a rectangle measuring 30 m by 7 m.

    Formula:Perimeter of a Rectangle

    $P = 2(l + w)$

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20. 20.

    8 sweets are shared equally among 2 children. How many does each child get?

    Formula:Division (Equal Sharing)

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

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