Belgium · Year 4 · Practice Sheet 22

1. 1.

   Find the perimeter of a rectangle measuring 26 m by 34 m.

   Formula:Perimeter of a Rectangle

   $P = 2(l + w)$

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2. 2.

   Find 1/5 of 30.

   Formula:Fraction of a Quantity

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

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3. 3.

   One item costs €12.03. Find the total cost of 5 items.

   Formula:Total Cost

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

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4. 4.

   Calculate 66 ÷ 6.

   Formula:Division

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

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5. 5.

   Find the mean (average) of these numbers: 33, 21, 43, 73, 24.

   Formula:Arithmetic Mean

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

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6. 6.

   Calculate 360 ÷ 12.

   Formula:Division

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

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7. 7.

   Convert 5.75 kilometres into metres.

   Formula:Metric Length Conversion

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

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8. 8.

   What is 9 × 4?

   Formula:Multiplication (Times Tables)

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

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9. 9.

   One item costs €7.21. Find the total cost of 10 items.

   Formula:Total Cost

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

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10. 10.

    Calculate 44 × 4.

    Formula:Multiplication

    $p = a \times b$

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11. 11.

    A rectangle is 39 cm long and 5 cm wide. Find its area.

    Formula:Area of a Rectangle

    $A = l \times w$

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12. 12.

    14 sweets are shared equally among 2 children. How many does each child get?

    Formula:Division (Equal Sharing)

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

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13. 13.

    Find the mean (average) of these numbers: 92, 41, 28, 34, 96, 51.

    Formula:Arithmetic Mean

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

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14. 14.

    Calculate 144 ÷ 9.

    Formula:Division

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

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15. 15.

    Calculate 16 × 12.

    Formula:Multiplication

    $p = a \times b$

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16. 16.

    Find the mean (average) of these numbers: 66, 13, 10, 57, 93.

    Formula:Arithmetic Mean

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

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17. 17.

    Calculate 62 × 8.

    Formula:Multiplication

    $p = a \times b$

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18. 18.

    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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19. 19.

    Calculate 48 × 5.

    Formula:Multiplication

    $p = a \times b$

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20. 20.

    Find the perimeter of a rectangle measuring 35 m by 14 m.

    Formula:Perimeter of a Rectangle

    $P = 2(l + w)$

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