Kuwait · Grade 4 · Practice Sheet 39

1. 1.

   Find the mean (average) of these numbers: 47, 54, 75, 25.

   Formula:Arithmetic Mean

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

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2. 2.

   Find the area of a square with side length 3 cm.

   Formula:Area of a Square

   $A = s^2$

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3. 3.

   What is 10 × 6?

   Formula:Multiplication (Times Tables)

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

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4. 4.

   Find the perimeter of a rectangle measuring 12 m by 26 m.

   Formula:Perimeter of a Rectangle

   $P = 2(l + w)$

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5. 5.

   What is 3 × 3?

   Formula:Multiplication (Times Tables)

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

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6. 6.

   Calculate 189 ÷ 9.

   Formula:Division

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

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7. 7.

   Find the perimeter of a rectangle measuring 42 m by 33 m.

   Formula:Perimeter of a Rectangle

   $P = 2(l + w)$

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8. 8.

   Find the mean (average) of these numbers: 67, 39, 68, 21, 71, 83.

   Formula:Arithmetic Mean

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

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9. 9.

   Find 1/5 of 55.

   Formula:Fraction of a Quantity

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

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10. 10.

    Find the mean (average) of these numbers: 31, 58, 31, 23.

    Formula:Arithmetic Mean

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

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11. 11.

    Find the area of a square with side length 20 cm.

    Formula:Area of a Square

    $A = s^2$

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12. 12.

    What is 2 × 5?

    Formula:Multiplication (Times Tables)

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

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13. 13.

    Find the perimeter of a rectangle measuring 6 m by 30 m.

    Formula:Perimeter of a Rectangle

    $P = 2(l + w)$

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14. 14.

    Convert 9 kilometres into metres.

    Formula:Metric Length Conversion

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

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15. 15.

    Find the area of a square with side length 11 cm.

    Formula:Area of a Square

    $A = s^2$

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16. 16.

    One item costs KD 19.89. Find the total cost of 8 items.

    Formula:Total Cost

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

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17. 17.

    Find the mean (average) of these numbers: 27, 91, 55, 50, 71, 40.

    Formula:Arithmetic Mean

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

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18. 18.

    Calculate 90 ÷ 9.

    Formula:Division

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

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19. 19.

    An item costs KD 6.99 and you pay with KD 10. How much change do you get?

    Formula:Change Due

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

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20. 20.

    Calculate 256 ÷ 8.

    Formula:Division

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

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