Germany · Klasse 4 · Practice Sheet 22

1. 1.

   Find the perimeter of a rectangle measuring 14 m by 7 m.

   Formula:Perimeter of a Rectangle

   $P = 2(l + w)$

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2. 2.

   Convert 2.42 kilometres into metres.

   Formula:Metric Length Conversion

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

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3. 3.

   Calculate 92 × 11.

   Formula:Multiplication

   $p = a \times b$

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4. 4.

   What is 3 × 7?

   Formula:Multiplication (Times Tables)

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

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5. 5.

   Calculate 20 × 9.

   Formula:Multiplication

   $p = a \times b$

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6. 6.

   Calculate 75 ÷ 3.

   Formula:Division

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

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7. 7.

   Calculate 89 × 11.

   Formula:Multiplication

   $p = a \times b$

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8. 8.

   Find the perimeter of a rectangle measuring 11 m by 25 m.

   Formula:Perimeter of a Rectangle

   $P = 2(l + w)$

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9. 9.

   Find the mean (average) of these numbers: 25, 77, 93, 72, 31, 35.

   Formula:Arithmetic Mean

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

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10. 10.

    One item costs €6.12. Find the total cost of 3 items.

    Formula:Total Cost

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

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11. 11.

    Find 2/3 of 36.

    Formula:Fraction of a Quantity

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

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12. 12.

    Calculate 21 × 10.

    Formula:Multiplication

    $p = a \times b$

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13. 13.

    25 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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14. 14.

    Convert 8.94 kilometres into metres.

    Formula:Metric Length Conversion

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

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15. 15.

    What is 9 × 3?

    Formula:Multiplication (Times Tables)

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

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16. 16.

    Calculate 35 × 7.

    Formula:Multiplication

    $p = a \times b$

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17. 17.

    Find the mean (average) of these numbers: 64, 85, 36, 72, 70, 52.

    Formula:Arithmetic Mean

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

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18. 18.

    Find the perimeter of a rectangle measuring 41 m by 18 m.

    Formula:Perimeter of a Rectangle

    $P = 2(l + w)$

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19. 19.

    Calculate 26 × 11.

    Formula:Multiplication

    $p = a \times b$

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20. 20.

    Find the area of a square with side length 24 cm.

    Formula:Area of a Square

    $A = s^2$

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