Nigeria · Grade 5 · Practice Sheet 14

1. 1.

   What is 75% of 440?

   Formula:Percentage of a Quantity

   $\text{result} = \dfrac{p}{100} \times N$

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2. 2.

   A rectangle is 18 cm long and 9 cm wide. Find its area.

   Formula:Area of a Rectangle

   $A = l \times w$

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3. 3.

   Find the perimeter of a rectangle measuring 24 m by 23 m.

   Formula:Perimeter of a Rectangle

   $P = 2(l + w)$

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4. 4.

   Calculate 17 × 9.

   Formula:Multiplication

   $p = a \times b$

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5. 5.

   Calculate 242 ÷ 11.

   Formula:Division

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

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6. 6.

   An item costs ₦36.97 and you pay with ₦50. How much change do you get?

   Formula:Change Due

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

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7. 7.

   Convert 10.18 kilometres into metres.

   Formula:Metric Length Conversion

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

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8. 8.

   A rectangle is 6 cm long and 11 cm wide. Find its area.

   Formula:Area of a Rectangle

   $A = l \times w$

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9. 9.

   Calculate 174 ÷ 6.

   Formula:Division

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

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10. 10.

    A car travels 270 km in 5 hours. Find its average speed.

    Formula:Speed

    $v = \dfrac{d}{t}$

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11. 11.

    A triangle has a base of 29 cm and a height of 26 cm. Find its area.

    Formula:Area of a Triangle

    $A = \tfrac{1}{2} b h$

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12. 12.

    What is 15% of 540?

    Formula:Percentage of a Quantity

    $\text{result} = \dfrac{p}{100} \times N$

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13. 13.

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

    Formula:Area of a Square

    $A = s^2$

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14. 14.

    Calculate 21 × 4.

    Formula:Multiplication

    $p = a \times b$

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15. 15.

    Calculate 180 ÷ 6.

    Formula:Division

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

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16. 16.

    Convert 2.56 kilometres into metres.

    Formula:Metric Length Conversion

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

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17. 17.

    Calculate 36 ÷ 3.

    Formula:Division

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

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18. 18.

    What is 12% of 140?

    Formula:Percentage of a Quantity

    $\text{result} = \dfrac{p}{100} \times N$

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19. 19.

    Find the mean (average) of these numbers: 29, 42, 41, 43, 98, 15.

    Formula:Arithmetic Mean

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

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20. 20.

    One item costs ₦24.75. Find the total cost of 14 items.

    Formula:Total Cost

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

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