Mongolia · Grade 5 · Practice Sheet 31

1. 1.

   One item costs ₮4.55. Find the total cost of 20 items.

   Formula:Total Cost

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

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2. 2.

   A train moves at 40 km/h for 4.2 hours. How far does it travel?

   Formula:Distance from Speed & Time

   $d = v \times t$

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3. 3.

   A car travels 84 km in 2 hours. Find its average speed.

   Formula:Speed

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

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4. 4.

   An item costs ₮36.28 and you pay with ₮40. How much change do you get?

   Formula:Change Due

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

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5. 5.

   Calculate 88 × 11.

   Formula:Multiplication

   $p = a \times b$

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6. 6.

   Calculate 120 ÷ 6.

   Formula:Division

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

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7. 7.

   Calculate 43 × 9.

   Formula:Multiplication

   $p = a \times b$

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8. 8.

   Calculate 48 ÷ 12.

   Formula:Division

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

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9. 9.

   Find the area of a square with side length 3 cm.

   Formula:Area of a Square

   $A = s^2$

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10. 10.

    An item costs ₮20.38 and you pay with ₮30. How much change do you get?

    Formula:Change Due

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

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11. 11.

    Convert 4.26 kilometres into metres.

    Formula:Metric Length Conversion

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

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12. 12.

    Calculate 34 × 10.

    Formula:Multiplication

    $p = a \times b$

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13. 13.

    Calculate 64 ÷ 8.

    Formula:Division

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

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14. 14.

    What is 40% of 170?

    Formula:Percentage of a Quantity

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

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15. 15.

    Find the perimeter of a rectangle measuring 37 m by 35 m.

    Formula:Perimeter of a Rectangle

    $P = 2(l + w)$

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16. 16.

    Calculate 84 × 9.

    Formula:Multiplication

    $p = a \times b$

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17. 17.

    Calculate 180 ÷ 12.

    Formula:Division

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

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18. 18.

    Convert 6.4 kilometres into metres.

    Formula:Metric Length Conversion

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

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19. 19.

    Find 3/5 of 80.

    Formula:Fraction of a Quantity

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

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20. 20.

    A rectangle is 34 cm long and 23 cm wide. Find its area.

    Formula:Area of a Rectangle

    $A = l \times w$

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