Austria · Klasse 4 · Practice Sheet 33

1. 1.

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

   Formula:Area of a Square

   $A = s^2$

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2. 2.

   What is 6 × 4?

   Formula:Multiplication (Times Tables)

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

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3. 3.

   Find the perimeter of a rectangle measuring 11 m by 22 m.

   Formula:Perimeter of a Rectangle

   $P = 2(l + w)$

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4. 4.

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

   Formula:Area of a Square

   $A = s^2$

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5. 5.

   Find the mean (average) of these numbers: 58, 63, 53, 73, 82.

   Formula:Arithmetic Mean

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

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6. 6.

   What is 5 × 4?

   Formula:Multiplication (Times Tables)

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

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7. 7.

   Find the mean (average) of these numbers: 30, 59, 10, 30.

   Formula:Arithmetic Mean

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

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8. 8.

   What is 10 × 4?

   Formula:Multiplication (Times Tables)

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

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9. 9.

   Calculate 390 ÷ 10.

   Formula:Division

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

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10. 10.

    Find the area of a square with side length 28 cm.

    Formula:Area of a Square

    $A = s^2$

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11. 11.

    24 sweets are shared equally among 3 children. How many does each child get?

    Formula:Division (Equal Sharing)

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

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12. 12.

    Find the perimeter of a rectangle measuring 45 m by 7 m.

    Formula:Perimeter of a Rectangle

    $P = 2(l + w)$

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13. 13.

    Find the mean (average) of these numbers: 88, 65, 27, 44, 34.

    Formula:Arithmetic Mean

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

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14. 14.

    An item costs €15.57 and you pay with €30. How much change do you get?

    Formula:Change Due

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

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15. 15.

    What is 8 × 3?

    Formula:Multiplication (Times Tables)

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

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16. 16.

    Find the area of a square with side length 21 cm.

    Formula:Area of a Square

    $A = s^2$

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17. 17.

    What is 8 × 2?

    Formula:Multiplication (Times Tables)

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

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18. 18.

    16 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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19. 19.

    An item costs €33.5 and you pay with €40. How much change do you get?

    Formula:Change Due

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

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20. 20.

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

    Formula:Area of a Square

    $A = s^2$

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