Saudi Arabia · Grade 4 · Practice Sheet 30

1. 1.

   Find the mean (average) of these numbers: 21, 88, 66, 39.

   Formula:Arithmetic Mean

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

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2. 2.

   Find the area of a square with side length 24 cm.

   Formula:Area of a Square

   $A = s^2$

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3. 3.

   A rectangle is 30 cm long and 16 cm wide. Find its area.

   Formula:Area of a Rectangle

   $A = l \times w$

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4. 4.

   Calculate 33 × 7.

   Formula:Multiplication

   $p = a \times b$

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5. 5.

   Calculate 114 ÷ 6.

   Formula:Division

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

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6. 6.

   Convert 1.34 kilometres into metres.

   Formula:Metric Length Conversion

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

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7. 7.

   Find the perimeter of a rectangle measuring 41 m by 12 m.

   Formula:Perimeter of a Rectangle

   $P = 2(l + w)$

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8. 8.

   Calculate 270 ÷ 9.

   Formula:Division

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

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9. 9.

   An item costs SAR 20.76 and you pay with SAR 40. How much change do you get?

   Formula:Change Due

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

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10. 10.

    Convert 8.11 kilometres into metres.

    Formula:Metric Length Conversion

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

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11. 11.

    What is 2 × 5?

    Formula:Multiplication (Times Tables)

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

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12. 12.

    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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13. 13.

    Calculate 187 ÷ 11.

    Formula:Division

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

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14. 14.

    Calculate 12 × 9.

    Formula:Multiplication

    $p = a \times b$

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15. 15.

    One item costs SAR 15.89. Find the total cost of 17 items.

    Formula:Total Cost

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

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16. 16.

    Calculate 19 × 8.

    Formula:Multiplication

    $p = a \times b$

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17. 17.

    Find the mean (average) of these numbers: 98, 96, 64, 76, 58.

    Formula:Arithmetic Mean

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

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18. 18.

    An item costs SAR 5.63 and you pay with SAR 20. How much change do you get?

    Formula:Change Due

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

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19. 19.

    What is 8 × 5?

    Formula:Multiplication (Times Tables)

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

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20. 20.

    Find the perimeter of a rectangle measuring 10 m by 19 m.

    Formula:Perimeter of a Rectangle

    $P = 2(l + w)$

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