Taiwan · Grade 4 · Practice Sheet 48

1. 1.

   Convert 9.11 kilometres into metres.

   Formula:Metric Length Conversion

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

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2. 2.

   One item costs NT$ 2.8. Find the total cost of 9 items.

   Formula:Total Cost

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

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3. 3.

   Calculate 192 ÷ 12.

   Formula:Division

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

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4. 4.

   What is 6 × 6?

   Formula:Multiplication (Times Tables)

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

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5. 5.

   A rectangle is 11 cm long and 15 cm wide. Find its area.

   Formula:Area of a Rectangle

   $A = l \times w$

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6. 6.

   Convert 2.63 kilometres into metres.

   Formula:Metric Length Conversion

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

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7. 7.

   Calculate 28 ÷ 7.

   Formula:Division

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

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8. 8.

   Calculate 19 × 10.

   Formula:Multiplication

   $p = a \times b$

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9. 9.

   Convert 3.79 kilometres into metres.

   Formula:Metric Length Conversion

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

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10. 10.

    Find 3/4 of 32.

    Formula:Fraction of a Quantity

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

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11. 11.

    An item costs NT$ 21.43 and you pay with NT$ 30. How much change do you get?

    Formula:Change Due

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

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12. 12.

    What is 8 × 10?

    Formula:Multiplication (Times Tables)

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

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13. 13.

    Find the perimeter of a rectangle measuring 7 m by 31 m.

    Formula:Perimeter of a Rectangle

    $P = 2(l + w)$

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14. 14.

    Calculate 43 × 11.

    Formula:Multiplication

    $p = a \times b$

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15. 15.

    Find the mean (average) of these numbers: 60, 77, 13, 57, 42, 15.

    Formula:Arithmetic Mean

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

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16. 16.

    Find the perimeter of a rectangle measuring 7 m by 17 m.

    Formula:Perimeter of a Rectangle

    $P = 2(l + w)$

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17. 17.

    One item costs NT$ 6.68. Find the total cost of 20 items.

    Formula:Total Cost

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

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18. 18.

    An item costs NT$ 39.6 and you pay with NT$ 50. How much change do you get?

    Formula:Change Due

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

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19. 19.

    Convert 9.56 kilometres into metres.

    Formula:Metric Length Conversion

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

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20. 20.

    Find 2/3 of 36.

    Formula:Fraction of a Quantity

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

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