Taiwan · Grade 5 · Practice Sheet 19

1. 1.

   Calculate 62 × 7.

   Formula:Multiplication

   $p = a \times b$

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2. 2.

   Convert 11.2 kilometres into metres.

   Formula:Metric Length Conversion

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

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3. 3.

   A triangle has a base of 30 cm and a height of 19 cm. Find its area.

   Formula:Area of a Triangle

   $A = \tfrac{1}{2} b h$

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4. 4.

   Calculate 66 × 4.

   Formula:Multiplication

   $p = a \times b$

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5. 5.

   A triangle has a base of 29 cm and a height of 20 cm. Find its area.

   Formula:Area of a Triangle

   $A = \tfrac{1}{2} b h$

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6. 6.

   Calculate 42 ÷ 6.

   Formula:Division

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

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7. 7.

   What is 50% of 40?

   Formula:Percentage of a Quantity

   $\text{result} = \dfrac{p}{100} \times N$

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8. 8.

   Find the area of a square with side length 20 cm.

   Formula:Area of a Square

   $A = s^2$

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9. 9.

   Find the perimeter of a rectangle measuring 44 m by 33 m.

   Formula:Perimeter of a Rectangle

   $P = 2(l + w)$

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10. 10.

    Calculate 48 × 11.

    Formula:Multiplication

    $p = a \times b$

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11. 11.

    Calculate 72 ÷ 9.

    Formula:Division

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

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12. 12.

    Find 1/8 of 136.

    Formula:Fraction of a Quantity

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

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13. 13.

    One item costs NT$ 24.52. Find the total cost of 14 items.

    Formula:Total Cost

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

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14. 14.

    Calculate 52 × 11.

    Formula:Multiplication

    $p = a \times b$

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15. 15.

    One item costs NT$ 16.92. Find the total cost of 12 items.

    Formula:Total Cost

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

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16. 16.

    Calculate 29 × 7.

    Formula:Multiplication

    $p = a \times b$

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17. 17.

    Calculate 222 ÷ 6.

    Formula:Division

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

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18. 18.

    Find the mean (average) of these numbers: 59, 14, 65, 74, 60.

    Formula:Arithmetic Mean

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

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19. 19.

    An item costs NT$ 8.65 and you pay with NT$ 10. How much change do you get?

    Formula:Change Due

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

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20. 20.

    A triangle has a base of 7 cm and a height of 3 cm. Find its area.

    Formula:Area of a Triangle

    $A = \tfrac{1}{2} b h$

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