Ukraine · Grade 4 · Practice Sheet 30

1. 1.

   An item costs ₴34.26 and you pay with ₴40. How much change do you get?

   Formula:Change Due

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

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2. 2.

   Find the perimeter of a rectangle measuring 5 m by 13 m.

   Formula:Perimeter of a Rectangle

   $P = 2(l + w)$

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3. 3.

   Calculate 14 × 10.

   Formula:Multiplication

   $p = a \times b$

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4. 4.

   What is 5 × 2?

   Formula:Multiplication (Times Tables)

   $\text{product} = a \times b$

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5. 5.

   Find the perimeter of a rectangle measuring 27 m by 25 m.

   Formula:Perimeter of a Rectangle

   $P = 2(l + w)$

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6. 6.

   An item costs ₴13.99 and you pay with ₴20. How much change do you get?

   Formula:Change Due

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

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7. 7.

   Find the mean (average) of these numbers: 45, 80, 83, 21, 37, 23.

   Formula:Arithmetic Mean

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

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8. 8.

   An item costs ₴43.32 and you pay with ₴50. How much change do you get?

   Formula:Change Due

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

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9. 9.

   Find 2/3 of 21.

   Formula:Fraction of a Quantity

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

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10. 10.

    A rectangle is 34 cm long and 17 cm wide. Find its area.

    Formula:Area of a Rectangle

    $A = l \times w$

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11. 11.

    An item costs ₴24.5 and you pay with ₴30. How much change do you get?

    Formula:Change Due

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

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12. 12.

    What is 7 × 2?

    Formula:Multiplication (Times Tables)

    $\text{product} = a \times b$

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13. 13.

    One item costs ₴24.71. Find the total cost of 7 items.

    Formula:Total Cost

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

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14. 14.

    An item costs ₴43.25 and you pay with ₴60. How much change do you get?

    Formula:Change Due

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

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15. 15.

    A rectangle is 28 cm long and 29 cm wide. Find its area.

    Formula:Area of a Rectangle

    $A = l \times w$

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16. 16.

    Find the mean (average) of these numbers: 31, 73, 20, 20, 85, 38.

    Formula:Arithmetic Mean

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

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17. 17.

    Calculate 97 × 11.

    Formula:Multiplication

    $p = a \times b$

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18. 18.

    Find the area of a square with side length 26 cm.

    Formula:Area of a Square

    $A = s^2$

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19. 19.

    Convert 6.52 kilometres into metres.

    Formula:Metric Length Conversion

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

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20. 20.

    A rectangle is 15 cm long and 16 cm wide. Find its area.

    Formula:Area of a Rectangle

    $A = l \times w$

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