Greece · Grade 4 · Practice Sheet 12

1. 1.

   Find the mean (average) of these numbers: 41, 68, 86, 46, 85.

   Formula:Arithmetic Mean

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

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2. 2.

   An item costs €6.29 and you pay with €20. How much change do you get?

   Formula:Change Due

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

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3. 3.

   Calculate 59 × 4.

   Formula:Multiplication

   $p = a \times b$

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4. 4.

   Find the area of a square with side length 12 cm.

   Formula:Area of a Square

   $A = s^2$

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5. 5.

   Calculate 27 × 9.

   Formula:Multiplication

   $p = a \times b$

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6. 6.

   One item costs €14.78. Find the total cost of 4 items.

   Formula:Total Cost

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

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7. 7.

   Calculate 95 × 7.

   Formula:Multiplication

   $p = a \times b$

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8. 8.

   Calculate 200 ÷ 8.

   Formula:Division

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

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9. 9.

   A rectangle is 36 cm long and 25 cm wide. Find its area.

   Formula:Area of a Rectangle

   $A = l \times w$

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10. 10.

    Calculate 43 × 5.

    Formula:Multiplication

    $p = a \times b$

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11. 11.

    Convert 1.51 kilometres into metres.

    Formula:Metric Length Conversion

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

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12. 12.

    Find the area of a square with side length 27 cm.

    Formula:Area of a Square

    $A = s^2$

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13. 13.

    One item costs €3.79. Find the total cost of 17 items.

    Formula:Total Cost

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

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14. 14.

    Find 2/3 of 24.

    Formula:Fraction of a Quantity

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

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15. 15.

    What is 2 × 4?

    Formula:Multiplication (Times Tables)

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

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16. 16.

    Calculate 14 × 7.

    Formula:Multiplication

    $p = a \times b$

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17. 17.

    An item costs €15.61 and you pay with €30. How much change do you get?

    Formula:Change Due

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

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18. 18.

    Convert 11.74 kilometres into metres.

    Formula:Metric Length Conversion

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

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19. 19.

    12 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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20. 20.

    What is 2 × 5?

    Formula:Multiplication (Times Tables)

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

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