South Africa · Grade 4 · Practice Sheet 30

1. 1.

   What is 4 × 5?

   Formula:Multiplication (Times Tables)

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

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2. 2.

   8 sweets are shared equally among 2 children. How many does each child get?

   Formula:Division (Equal Sharing)

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

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3. 3.

   Find 2/3 of 54.

   Formula:Fraction of a Quantity

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

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4. 4.

   Find the mean (average) of these numbers: 19, 56, 67, 81, 23, 93.

   Formula:Arithmetic Mean

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

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5. 5.

   An item costs R16.63 and you pay with R20. How much change do you get?

   Formula:Change Due

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

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6. 6.

   What is 10 × 5?

   Formula:Multiplication (Times Tables)

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

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7. 7.

   An item costs R41.14 and you pay with R60. How much change do you get?

   Formula:Change Due

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

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8. 8.

   What is 4 × 9?

   Formula:Multiplication (Times Tables)

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

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9. 9.

   42 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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10. 10.

    Calculate 330 ÷ 10.

    Formula:Division

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

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11. 11.

    Convert 2.81 kilometres into metres.

    Formula:Metric Length Conversion

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

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12. 12.

    An item costs R6.55 and you pay with R20. How much change do you get?

    Formula:Change Due

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

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13. 13.

    Find the mean (average) of these numbers: 94, 10, 61, 75, 83.

    Formula:Arithmetic Mean

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

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14. 14.

    What is 3 × 10?

    Formula:Multiplication (Times Tables)

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

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15. 15.

    Convert 10.9 kilometres into metres.

    Formula:Metric Length Conversion

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

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16. 16.

    Calculate 28 ÷ 7.

    Formula:Division

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

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17. 17.

    Find 5/8 of 144.

    Formula:Fraction of a Quantity

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

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18. 18.

    One item costs R2.32. Find the total cost of 7 items.

    Formula:Total Cost

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

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19. 19.

    An item costs R6.31 and you pay with R20. How much change do you get?

    Formula:Change Due

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

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20. 20.

    Find the perimeter of a rectangle measuring 6 m by 17 m.

    Formula:Perimeter of a Rectangle

    $P = 2(l + w)$

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