Bangladesh · Class 4 · Practice Sheet 34

1. 1.

   One item costs ৳ 8.78. Find the total cost of 17 items.

   Formula:Total Cost

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

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2. 2.

   Find the perimeter of a rectangle measuring 43 m by 15 m.

   Formula:Perimeter of a Rectangle

   $P = 2(l + w)$

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3. 3.

   Find 3/4 of 56.

   Formula:Fraction of a Quantity

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

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4. 4.

   Find the mean (average) of these numbers: 82, 50, 12, 67, 99, 87.

   Formula:Arithmetic Mean

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

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5. 5.

   Find the perimeter of a rectangle measuring 29 m by 22 m.

   Formula:Perimeter of a Rectangle

   $P = 2(l + w)$

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6. 6.

   One item costs ৳ 11.2. Find the total cost of 9 items.

   Formula:Total Cost

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

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7. 7.

   Calculate 61 × 9.

   Formula:Multiplication

   $p = a \times b$

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8. 8.

   An item costs ৳ 22.01 and you pay with ৳ 30. How much change do you get?

   Formula:Change Due

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

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9. 9.

   Calculate 53 × 8.

   Formula:Multiplication

   $p = a \times b$

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10. 10.

    Find the mean (average) of these numbers: 10, 13, 39, 29, 11.

    Formula:Arithmetic Mean

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

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11. 11.

    Calculate 120 ÷ 6.

    Formula:Division

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

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12. 12.

    What is 10 × 4?

    Formula:Multiplication (Times Tables)

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

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13. 13.

    Calculate 35 ÷ 7.

    Formula:Division

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

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14. 14.

    An item costs ৳ 30.14 and you pay with ৳ 50. How much change do you get?

    Formula:Change Due

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

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15. 15.

    What is 5 × 4?

    Formula:Multiplication (Times Tables)

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

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16. 16.

    One item costs ৳ 14.7. Find the total cost of 13 items.

    Formula:Total Cost

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

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17. 17.

    What is 7 × 9?

    Formula:Multiplication (Times Tables)

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

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18. 18.

    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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19. 19.

    A rectangle is 17 cm long and 19 cm wide. Find its area.

    Formula:Area of a Rectangle

    $A = l \times w$

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20. 20.

    Calculate 55 × 7.

    Formula:Multiplication

    $p = a \times b$

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