Denmark · Grade 4 · Practice Sheet 25

1. 1.

   What is 3 × 6?

   Formula:Multiplication (Times Tables)

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

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2. 2.

   Find the mean (average) of these numbers: 38, 94, 82, 15, 54.

   Formula:Arithmetic Mean

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

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3. 3.

   One item costs kr 3.45. Find the total cost of 17 items.

   Formula:Total Cost

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

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4. 4.

   What is 2 × 5?

   Formula:Multiplication (Times Tables)

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

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5. 5.

   Calculate 71 × 7.

   Formula:Multiplication

   $p = a \times b$

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6. 6.

   Calculate 110 ÷ 11.

   Formula:Division

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

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7. 7.

   Find the area of a square with side length 29 cm.

   Formula:Area of a Square

   $A = s^2$

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8. 8.

   An item costs kr 5.84 and you pay with kr 10. How much change do you get?

   Formula:Change Due

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

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9. 9.

   One item costs kr 3.13. Find the total cost of 11 items.

   Formula:Total Cost

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

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10. 10.

    Convert 9.66 kilometres into metres.

    Formula:Metric Length Conversion

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

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11. 11.

    Calculate 45 × 10.

    Formula:Multiplication

    $p = a \times b$

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12. 12.

    Find the mean (average) of these numbers: 29, 24, 75, 61, 30.

    Formula:Arithmetic Mean

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

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13. 13.

    Find 1/2 of 38.

    Formula:Fraction of a Quantity

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

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14. 14.

    One item costs kr 17.93. Find the total cost of 6 items.

    Formula:Total Cost

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

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15. 15.

    What is 8 × 9?

    Formula:Multiplication (Times Tables)

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

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16. 16.

    A rectangle is 9 cm long and 9 cm wide. Find its area.

    Formula:Area of a Rectangle

    $A = l \times w$

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17. 17.

    Find the mean (average) of these numbers: 61, 78, 82, 53.

    Formula:Arithmetic Mean

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

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18. 18.

    What is 3 × 6?

    Formula:Multiplication (Times Tables)

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

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19. 19.

    Convert 3.19 kilometres into metres.

    Formula:Metric Length Conversion

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

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20. 20.

    An item costs kr 12.47 and you pay with kr 20. How much change do you get?

    Formula:Change Due

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

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