Czechia · Grade 5 · Practice Sheet 18

1. 1.

   What is 15% of 370?

   Formula:Percentage of a Quantity

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

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2. 2.

   Convert 3.02 kilometres into metres.

   Formula:Metric Length Conversion

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

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3. 3.

   Calculate 81 ÷ 3.

   Formula:Division

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

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4. 4.

   Find the area of a square with side length 20 cm.

   Formula:Area of a Square

   $A = s^2$

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5. 5.

   Calculate 52 × 4.

   Formula:Multiplication

   $p = a \times b$

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6. 6.

   Find the perimeter of a rectangle measuring 19 m by 27 m.

   Formula:Perimeter of a Rectangle

   $P = 2(l + w)$

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7. 7.

   What is 50% of 140?

   Formula:Percentage of a Quantity

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

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8. 8.

   Calculate 92 × 12.

   Formula:Multiplication

   $p = a \times b$

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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.

    Find the perimeter of a rectangle measuring 14 m by 8 m.

    Formula:Perimeter of a Rectangle

    $P = 2(l + w)$

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11. 11.

    Find 3/5 of 30.

    Formula:Fraction of a Quantity

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

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12. 12.

    Calculate 280 ÷ 10.

    Formula:Division

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

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13. 13.

    An item costs Kč 39.35 and you pay with Kč 40. How much change do you get?

    Formula:Change Due

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

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14. 14.

    Find the mean (average) of these numbers: 89, 15, 87, 61, 26.

    Formula:Arithmetic Mean

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

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15. 15.

    One item costs Kč 3.15. Find the total cost of 16 items.

    Formula:Total Cost

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

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16. 16.

    A train moves at 61 km/h for 2.5 hours. How far does it travel?

    Formula:Distance from Speed & Time

    $d = v \times t$

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17. 17.

    Find the perimeter of a rectangle measuring 28 m by 15 m.

    Formula:Perimeter of a Rectangle

    $P = 2(l + w)$

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18. 18.

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

    Formula:Area of a Square

    $A = s^2$

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19. 19.

    One item costs Kč 6.13. Find the total cost of 18 items.

    Formula:Total Cost

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

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20. 20.

    Calculate 90 ÷ 3.

    Formula:Division

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

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