China · Grade 4 · Practice Sheet 49

1. 1.

   One item costs ¥16.13. Find the total cost of 5 items.

   Formula:Total Cost

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

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2. 2.

   Convert 5.64 kilometres into metres.

   Formula:Metric Length Conversion

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

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3. 3.

   Find the mean (average) of these numbers: 79, 33, 25, 40, 83.

   Formula:Arithmetic Mean

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

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4. 4.

   Find the perimeter of a rectangle measuring 11 m by 13 m.

   Formula:Perimeter of a Rectangle

   $P = 2(l + w)$

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5. 5.

   Find 2/8 of 32.

   Formula:Fraction of a Quantity

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

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6. 6.

   54 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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7. 7.

   Calculate 47 × 12.

   Formula:Multiplication

   $p = a \times b$

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8. 8.

   A rectangle is 35 cm long and 5 cm wide. Find its area.

   Formula:Area of a Rectangle

   $A = l \times w$

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9. 9.

   One item costs ¥19.46. Find the total cost of 12 items.

   Formula:Total Cost

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

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10. 10.

    Calculate 67 × 6.

    Formula:Multiplication

    $p = a \times b$

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11. 11.

    Calculate 220 ÷ 11.

    Formula:Division

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

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12. 12.

    Calculate 54 × 7.

    Formula:Multiplication

    $p = a \times b$

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13. 13.

    6 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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14. 14.

    An item costs ¥13.15 and you pay with ¥20. How much change do you get?

    Formula:Change Due

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

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15. 15.

    Calculate 66 ÷ 3.

    Formula:Division

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

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16. 16.

    Find 3/8 of 136.

    Formula:Fraction of a Quantity

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

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17. 17.

    Calculate 21 × 10.

    Formula:Multiplication

    $p = a \times b$

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18. 18.

    Find the perimeter of a rectangle measuring 33 m by 21 m.

    Formula:Perimeter of a Rectangle

    $P = 2(l + w)$

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19. 19.

    30 sweets are shared equally among 5 children. How many does each child get?

    Formula:Division (Equal Sharing)

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

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20. 20.

    Find the mean (average) of these numbers: 15, 55, 37, 76.

    Formula:Arithmetic Mean

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

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