Lebanon · Grade 5 · Practice Sheet 20

1. 1.

   Calculate 230 ÷ 10.

   Formula:Division

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

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2. 2.

   Find 4/8 of 144.

   Formula:Fraction of a Quantity

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

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3. 3.

   One item costs LL 22.24. Find the total cost of 13 items.

   Formula:Total Cost

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

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4. 4.

   Calculate 23 × 11.

   Formula:Multiplication

   $p = a \times b$

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5. 5.

   A triangle has a base of 32 cm and a height of 11 cm. Find its area.

   Formula:Area of a Triangle

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

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6. 6.

   Convert 4.87 kilometres into metres.

   Formula:Metric Length Conversion

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

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7. 7.

   Calculate 203 ÷ 7.

   Formula:Division

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

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8. 8.

   Convert 8.39 kilometres into metres.

   Formula:Metric Length Conversion

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

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9. 9.

   Find 4/5 of 35.

   Formula:Fraction of a Quantity

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

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10. 10.

    A triangle has a base of 17 cm and a height of 25 cm. Find its area.

    Formula:Area of a Triangle

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

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11. 11.

    An item costs LL 21.44 and you pay with LL 40. How much change do you get?

    Formula:Change Due

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

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12. 12.

    Convert 10.88 kilometres into metres.

    Formula:Metric Length Conversion

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

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13. 13.

    Find the area of a square with side length 6 cm.

    Formula:Area of a Square

    $A = s^2$

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14. 14.

    Calculate 384 ÷ 12.

    Formula:Division

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

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15. 15.

    Find the mean (average) of these numbers: 28, 48, 85, 11, 74, 75.

    Formula:Arithmetic Mean

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

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16. 16.

    A triangle has a base of 38 cm and a height of 25 cm. Find its area.

    Formula:Area of a Triangle

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

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17. 17.

    Find the mean (average) of these numbers: 50, 73, 50, 60, 52.

    Formula:Arithmetic Mean

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

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18. 18.

    An item costs LL 41.27 and you pay with LL 60. How much change do you get?

    Formula:Change Due

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

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19. 19.

    Find 1/8 of 64.

    Formula:Fraction of a Quantity

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

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20. 20.

    Calculate 66 × 9.

    Formula:Multiplication

    $p = a \times b$

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