Bangladesh · Class 4 · Practice Sheet 23

1. 1.

   Calculate 37 × 9.

   Formula:Multiplication

   $p = a \times b$

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2. 2.

   Calculate 160 ÷ 8.

   Formula:Division

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

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3. 3.

   Calculate 92 × 7.

   Formula:Multiplication

   $p = a \times b$

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4. 4.

   Find the area of a square with side length 23 cm.

   Formula:Area of a Square

   $A = s^2$

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5. 5.

   6 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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6. 6.

   A rectangle is 11 cm long and 10 cm wide. Find its area.

   Formula:Area of a Rectangle

   $A = l \times w$

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7. 7.

   One item costs ৳ 24.31. Find the total cost of 14 items.

   Formula:Total Cost

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

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8. 8.

   What is 2 × 6?

   Formula:Multiplication (Times Tables)

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

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9. 9.

   Calculate 96 × 4.

   Formula:Multiplication

   $p = a \times b$

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10. 10.

    Calculate 39 ÷ 3.

    Formula:Division

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

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11. 11.

    Calculate 49 × 5.

    Formula:Multiplication

    $p = a \times b$

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12. 12.

    Find the area of a square with side length 12 cm.

    Formula:Area of a Square

    $A = s^2$

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13. 13.

    Calculate 400 ÷ 10.

    Formula:Division

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

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14. 14.

    Find 6/8 of 144.

    Formula:Fraction of a Quantity

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

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15. 15.

    Calculate 23 × 8.

    Formula:Multiplication

    $p = a \times b$

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16. 16.

    Calculate 92 ÷ 4.

    Formula:Division

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

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17. 17.

    An item costs ৳ 2.37 and you pay with ৳ 10. How much change do you get?

    Formula:Change Due

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

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18. 18.

    What is 7 × 2?

    Formula:Multiplication (Times Tables)

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

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19. 19.

    Find the mean (average) of these numbers: 51, 34, 85, 48, 34.

    Formula:Arithmetic Mean

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

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20. 20.

    Calculate 66 × 7.

    Formula:Multiplication

    $p = a \times b$

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