Australia · Year 4 · Practice Sheet 41

1. 1.

   Find the perimeter of a rectangle measuring 40 m by 13 m.

   Formula:Perimeter of a Rectangle

   $P = 2(l + w)$

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2. 2.

   What is 2 × 6?

   Formula:Multiplication (Times Tables)

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

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3. 3.

   Find the mean (average) of these numbers: 57, 24, 22, 73, 45, 61.

   Formula:Arithmetic Mean

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

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4. 4.

   Convert 5.24 kilometres into metres.

   Formula:Metric Length Conversion

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

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5. 5.

   Find 4/8 of 80.

   Formula:Fraction of a Quantity

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

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6. 6.

   Find the perimeter of a rectangle measuring 16 m by 26 m.

   Formula:Perimeter of a Rectangle

   $P = 2(l + w)$

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7. 7.

   A rectangle is 38 cm long and 6 cm wide. Find its area.

   Formula:Area of a Rectangle

   $A = l \times w$

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8. 8.

   Find the area of a square with side length 11 cm.

   Formula:Area of a Square

   $A = s^2$

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9. 9.

   Convert 7.56 kilometres into metres.

   Formula:Metric Length Conversion

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

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10. 10.

    Calculate 200 ÷ 10.

    Formula:Division

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

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11. 11.

    Calculate 33 × 9.

    Formula:Multiplication

    $p = a \times b$

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12. 12.

    Find the area of a square with side length 8 cm.

    Formula:Area of a Square

    $A = s^2$

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13. 13.

    An item costs $36.36 and you pay with $40. How much change do you get?

    Formula:Change Due

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

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14. 14.

    What is 10 × 7?

    Formula:Multiplication (Times Tables)

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

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15. 15.

    A rectangle is 28 cm long and 24 cm wide. Find its area.

    Formula:Area of a Rectangle

    $A = l \times w$

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16. 16.

    Find 1/2 of 30.

    Formula:Fraction of a Quantity

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

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17. 17.

    One item costs $6.05. Find the total cost of 7 items.

    Formula:Total Cost

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

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18. 18.

    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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19. 19.

    Find the mean (average) of these numbers: 16, 72, 66, 89, 54.

    Formula:Arithmetic Mean

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

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20. 20.

    Find 1/2 of 32.

    Formula:Fraction of a Quantity

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

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