Lebanon · Grade 4 · Practice Sheet 50

1. 1.

   A rectangle is 40 cm long and 4 cm wide. Find its area.

   Formula:Area of a Rectangle

   $A = l \times w$

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2. 2.

   Find the perimeter of a rectangle measuring 16 m by 29 m.

   Formula:Perimeter of a Rectangle

   $P = 2(l + w)$

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3. 3.

   An item costs LL 37.23 and you pay with LL 50. How much change do you get?

   Formula:Change Due

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

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4. 4.

   Calculate 360 ÷ 9.

   Formula:Division

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

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5. 5.

   Calculate 99 × 7.

   Formula:Multiplication

   $p = a \times b$

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6. 6.

   Calculate 266 ÷ 7.

   Formula:Division

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

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7. 7.

   What is 2 × 6?

   Formula:Multiplication (Times Tables)

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

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8. 8.

   Convert 4.62 kilometres into metres.

   Formula:Metric Length Conversion

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

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9. 9.

   What is 9 × 7?

   Formula:Multiplication (Times Tables)

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

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10. 10.

    Calculate 140 ÷ 5.

    Formula:Division

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

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11. 11.

    One item costs LL 1.66. Find the total cost of 14 items.

    Formula:Total Cost

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

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12. 12.

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

    Formula:Area of a Square

    $A = s^2$

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13. 13.

    A rectangle is 10 cm long and 9 cm wide. Find its area.

    Formula:Area of a Rectangle

    $A = l \times w$

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14. 14.

    Calculate 120 ÷ 12.

    Formula:Division

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

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15. 15.

    Find 1/2 of 22.

    Formula:Fraction of a Quantity

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

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16. 16.

    Find the mean (average) of these numbers: 82, 16, 61, 17, 33.

    Formula:Arithmetic Mean

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

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17. 17.

    What is 6 × 3?

    Formula:Multiplication (Times Tables)

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

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18. 18.

    Find the perimeter of a rectangle measuring 20 m by 10 m.

    Formula:Perimeter of a Rectangle

    $P = 2(l + w)$

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19. 19.

    Find the area of a square with side length 15 cm.

    Formula:Area of a Square

    $A = s^2$

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20. 20.

    Find the mean (average) of these numbers: 39, 83, 75, 20, 72, 69.

    Formula:Arithmetic Mean

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

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