Denmark · Grade 4 · Practice Sheet 14

1. 1.

   Find 1/4 of 40.

   Formula:Fraction of a Quantity

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

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2. 2.

   Find the mean (average) of these numbers: 86, 40, 87, 54.

   Formula:Arithmetic Mean

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

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3. 3.

   Calculate 22 × 3.

   Formula:Multiplication

   $p = a \times b$

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4. 4.

   Find 1/3 of 57.

   Formula:Fraction of a Quantity

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

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5. 5.

   Calculate 72 ÷ 8.

   Formula:Division

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

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6. 6.

   One item costs kr 11.66. Find the total cost of 15 items.

   Formula:Total Cost

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

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7. 7.

   Find 1/5 of 65.

   Formula:Fraction of a Quantity

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

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8. 8.

   Calculate 165 ÷ 5.

   Formula:Division

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

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9. 9.

   Convert 10.78 kilometres into metres.

   Formula:Metric Length Conversion

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

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10. 10.

    What is 10 × 10?

    Formula:Multiplication (Times Tables)

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

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11. 11.

    16 sweets are shared equally among 4 children. How many does each child get?

    Formula:Division (Equal Sharing)

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

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12. 12.

    A rectangle is 37 cm long and 29 cm wide. Find its area.

    Formula:Area of a Rectangle

    $A = l \times w$

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13. 13.

    Calculate 180 ÷ 12.

    Formula:Division

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

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14. 14.

    What is 7 × 9?

    Formula:Multiplication (Times Tables)

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

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15. 15.

    Find the mean (average) of these numbers: 17, 50, 47, 66.

    Formula:Arithmetic Mean

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

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16. 16.

    A rectangle is 12 cm long and 27 cm wide. Find its area.

    Formula:Area of a Rectangle

    $A = l \times w$

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17. 17.

    Convert 11.62 kilometres into metres.

    Formula:Metric Length Conversion

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

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18. 18.

    Calculate 73 × 4.

    Formula:Multiplication

    $p = a \times b$

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19. 19.

    What is 6 × 7?

    Formula:Multiplication (Times Tables)

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

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20. 20.

    18 sweets are shared equally among 6 children. How many does each child get?

    Formula:Division (Equal Sharing)

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

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