Qatar · Grade 4 · Practice Sheet 45

1. 1.

   One item costs QAR 1.71. Find the total cost of 4 items.

   Formula:Total Cost

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

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2. 2.

   Find 1/2 of 40.

   Formula:Fraction of a Quantity

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

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3. 3.

   Convert 4.56 kilometres into metres.

   Formula:Metric Length Conversion

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

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4. 4.

   Find the perimeter of a rectangle measuring 43 m by 23 m.

   Formula:Perimeter of a Rectangle

   $P = 2(l + w)$

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5. 5.

   Find the mean (average) of these numbers: 63, 24, 94, 75, 55.

   Formula:Arithmetic Mean

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

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6. 6.

   What is 2 × 9?

   Formula:Multiplication (Times Tables)

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

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7. 7.

   Calculate 33 ÷ 3.

   Formula:Division

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

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8. 8.

   What is 6 × 4?

   Formula:Multiplication (Times Tables)

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

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9. 9.

   Convert 6.04 kilometres into metres.

   Formula:Metric Length Conversion

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

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10. 10.

    Find the mean (average) of these numbers: 51, 23, 41, 51, 90.

    Formula:Arithmetic Mean

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

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11. 11.

    Calculate 231 ÷ 11.

    Formula:Division

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

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12. 12.

    A rectangle is 28 cm long and 20 cm wide. Find its area.

    Formula:Area of a Rectangle

    $A = l \times w$

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13. 13.

    Find the perimeter of a rectangle measuring 35 m by 27 m.

    Formula:Perimeter of a Rectangle

    $P = 2(l + w)$

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14. 14.

    Find 7/8 of 96.

    Formula:Fraction of a Quantity

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

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15. 15.

    A rectangle is 10 cm long and 22 cm wide. Find its area.

    Formula:Area of a Rectangle

    $A = l \times w$

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16. 16.

    What is 7 × 8?

    Formula:Multiplication (Times Tables)

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

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17. 17.

    Calculate 65 × 10.

    Formula:Multiplication

    $p = a \times b$

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18. 18.

    What is 3 × 10?

    Formula:Multiplication (Times Tables)

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

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19. 19.

    Convert 6.66 kilometres into metres.

    Formula:Metric Length Conversion

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

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20. 20.

    Calculate 110 ÷ 5.

    Formula:Division

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

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