Uganda · Grade 4 · Practice Sheet 21

1. 1.

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

   Formula:Area of a Square

   $A = s^2$

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2. 2.

   Find the perimeter of a rectangle measuring 27 m by 29 m.

   Formula:Perimeter of a Rectangle

   $P = 2(l + w)$

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3. 3.

   Find the mean (average) of these numbers: 35, 96, 41, 41, 11, 57.

   Formula:Arithmetic Mean

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

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4. 4.

   What is 10 × 3?

   Formula:Multiplication (Times Tables)

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

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5. 5.

   Find the area of a square with side length 6 cm.

   Formula:Area of a Square

   $A = s^2$

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6. 6.

   Find the mean (average) of these numbers: 23, 15, 58, 29.

   Formula:Arithmetic Mean

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

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7. 7.

   Convert 7.61 kilometres into metres.

   Formula:Metric Length Conversion

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

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8. 8.

   Find the mean (average) of these numbers: 52, 85, 33, 15.

   Formula:Arithmetic Mean

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

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9. 9.

   What is 6 × 3?

   Formula:Multiplication (Times Tables)

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

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10. 10.

    Find the mean (average) of these numbers: 14, 52, 21, 51, 95.

    Formula:Arithmetic Mean

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

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11. 11.

    An item costs USh 37.63 and you pay with USh 50. How much change do you get?

    Formula:Change Due

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

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12. 12.

    Calculate 77 × 10.

    Formula:Multiplication

    $p = a \times b$

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13. 13.

    Calculate 162 ÷ 6.

    Formula:Division

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

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14. 14.

    12 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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15. 15.

    Find the perimeter of a rectangle measuring 42 m by 22 m.

    Formula:Perimeter of a Rectangle

    $P = 2(l + w)$

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16. 16.

    An item costs USh 33.42 and you pay with USh 40. How much change do you get?

    Formula:Change Due

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

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17. 17.

    Find the perimeter of a rectangle measuring 45 m by 14 m.

    Formula:Perimeter of a Rectangle

    $P = 2(l + w)$

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18. 18.

    An item costs USh 39.99 and you pay with USh 50. How much change do you get?

    Formula:Change Due

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

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19. 19.

    Calculate 225 ÷ 9.

    Formula:Division

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

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20. 20.

    30 sweets are shared equally among 6 children. How many does each child get?

    Formula:Division (Equal Sharing)

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

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