Ukraine · Grade 4 · Practice Sheet 13

1. 1.

   An item costs ₴14.64 and you pay with ₴20. 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 19 m by 33 m.

   Formula:Perimeter of a Rectangle

   $P = 2(l + w)$

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3. 3.

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

   Formula:Area of a Square

   $A = s^2$

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4. 4.

   Find 2/4 of 76.

   Formula:Fraction of a Quantity

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

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5. 5.

   Find the area of a square with side length 18 cm.

   Formula:Area of a Square

   $A = s^2$

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6. 6.

   Find the mean (average) of these numbers: 88, 58, 62, 93.

   Formula:Arithmetic Mean

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

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7. 7.

   Find the area of a square with side length 12 cm.

   Formula:Area of a Square

   $A = s^2$

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8. 8.

   Convert 7.13 kilometres into metres.

   Formula:Metric Length Conversion

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

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9. 9.

   Calculate 36 × 10.

   Formula:Multiplication

   $p = a \times b$

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10. 10.

    20 sweets are shared equally among 5 children. How many does each child get?

    Formula:Division (Equal Sharing)

    $\text{each} = \text{total} \div \text{groups}$

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11. 11.

    A rectangle is 22 cm long and 20 cm wide. Find its area.

    Formula:Area of a Rectangle

    $A = l \times w$

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12. 12.

    Find the mean (average) of these numbers: 14, 47, 22, 39, 88, 83.

    Formula:Arithmetic Mean

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

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13. 13.

    One item costs ₴4.31. Find the total cost of 17 items.

    Formula:Total Cost

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

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14. 14.

    Calculate 88 × 5.

    Formula:Multiplication

    $p = a \times b$

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15. 15.

    One item costs ₴16.5. Find the total cost of 19 items.

    Formula:Total Cost

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

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16. 16.

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

    Formula:Area of a Square

    $A = s^2$

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17. 17.

    An item costs ₴7.49 and you pay with ₴10. How much change do you get?

    Formula:Change Due

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

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18. 18.

    15 sweets are shared equally among 3 children. How many does each child get?

    Formula:Division (Equal Sharing)

    $\text{each} = \text{total} \div \text{groups}$

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19. 19.

    Calculate 36 × 12.

    Formula:Multiplication

    $p = a \times b$

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20. 20.

    An item costs ₴32.85 and you pay with ₴40. How much change do you get?

    Formula:Change Due

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

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