Qatar · Grade 5 · Practice Sheet 13

1. 1.

   Calculate 12 × 10.

   Formula:Multiplication

   $p = a \times b$

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2. 2.

   What is 30% of 550?

   Formula:Percentage of a Quantity

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

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3. 3.

   One item costs QAR 21.74. Find the total cost of 17 items.

   Formula:Total Cost

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

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4. 4.

   Calculate 30 ÷ 3.

   Formula:Division

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

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5. 5.

   Find the area of a square with side length 21 cm.

   Formula:Area of a Square

   $A = s^2$

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6. 6.

   Calculate 55 × 11.

   Formula:Multiplication

   $p = a \times b$

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7. 7.

   Convert 7.22 kilometres into metres.

   Formula:Metric Length Conversion

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

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8. 8.

   Find the mean (average) of these numbers: 66, 35, 50, 96, 46, 40.

   Formula:Arithmetic Mean

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

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9. 9.

   Calculate 407 ÷ 11.

   Formula:Division

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

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10. 10.

    Find the mean (average) of these numbers: 30, 66, 83, 39, 39, 67.

    Formula:Arithmetic Mean

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

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11. 11.

    An item costs QAR 8.69 and you pay with QAR 10. How much change do you get?

    Formula:Change Due

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

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12. 12.

    A triangle has a base of 21 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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13. 13.

    Calculate 232 ÷ 8.

    Formula:Division

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

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14. 14.

    A triangle has a base of 13 cm and a height of 8 cm. Find its area.

    Formula:Area of a Triangle

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

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15. 15.

    Find the area of a square with side length 19 cm.

    Formula:Area of a Square

    $A = s^2$

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16. 16.

    A rectangle is 23 cm long and 13 cm wide. Find its area.

    Formula:Area of a Rectangle

    $A = l \times w$

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17. 17.

    Find 1/3 of 51.

    Formula:Fraction of a Quantity

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

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18. 18.

    One item costs QAR 12.43. Find the total cost of 20 items.

    Formula:Total Cost

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

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19. 19.

    Calculate 13 × 4.

    Formula:Multiplication

    $p = a \times b$

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20. 20.

    Calculate 36 ÷ 9.

    Formula:Division

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

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