Bahrain · Grade 4 · Practice Sheet 2

1. 1.

   Find the mean (average) of these numbers: 63, 40, 37, 35, 89, 43.

   Formula:Arithmetic Mean

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

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2. 2.

   Find 2/3 of 21.

   Formula:Fraction of a Quantity

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

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3. 3.

   An item costs BD 16.22 and you pay with BD 20. How much change do you get?

   Formula:Change Due

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

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4. 4.

   Convert 1.48 kilometres into metres.

   Formula:Metric Length Conversion

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

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5. 5.

   9 sweets are shared equally among 3 children. How many does each child get?

   Formula:Division (Equal Sharing)

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

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6. 6.

   Convert 2.47 kilometres into metres.

   Formula:Metric Length Conversion

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

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7. 7.

   Calculate 144 ÷ 6.

   Formula:Division

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

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8. 8.

   Find the perimeter of a rectangle measuring 29 m by 33 m.

   Formula:Perimeter of a Rectangle

   $P = 2(l + w)$

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9. 9.

   Find the mean (average) of these numbers: 81, 26, 65, 19, 90, 53.

   Formula:Arithmetic Mean

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

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10. 10.

    12 sweets are shared equally among 4 children. How many does each child get?

    Formula:Division (Equal Sharing)

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

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11. 11.

    Calculate 15 × 8.

    Formula:Multiplication

    $p = a \times b$

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12. 12.

    Calculate 112 ÷ 4.

    Formula:Division

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

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13. 13.

    A rectangle is 33 cm long and 8 cm wide. Find its area.

    Formula:Area of a Rectangle

    $A = l \times w$

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14. 14.

    Calculate 105 ÷ 3.

    Formula:Division

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

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15. 15.

    One item costs BD 7.34. Find the total cost of 6 items.

    Formula:Total Cost

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

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16. 16.

    Find 3/4 of 52.

    Formula:Fraction of a Quantity

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

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17. 17.

    Calculate 81 × 12.

    Formula:Multiplication

    $p = a \times b$

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18. 18.

    30 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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19. 19.

    Find 3/5 of 60.

    Formula:Fraction of a Quantity

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

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20. 20.

    Calculate 46 × 9.

    Formula:Multiplication

    $p = a \times b$

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