Portugal · Ano 4 · Practice Sheet 19

1. 1.

   12 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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2. 2.

   An item costs €25.71 and you pay with €40. How much change do you get?

   Formula:Change Due

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

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3. 3.

   Calculate 55 × 11.

   Formula:Multiplication

   $p = a \times b$

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4. 4.

   What is 10 × 10?

   Formula:Multiplication (Times Tables)

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

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5. 5.

   15 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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6. 6.

   Find the perimeter of a rectangle measuring 30 m by 15 m.

   Formula:Perimeter of a Rectangle

   $P = 2(l + w)$

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7. 7.

   What is 8 × 3?

   Formula:Multiplication (Times Tables)

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

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8. 8.

   Calculate 48 × 11.

   Formula:Multiplication

   $p = a \times b$

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9. 9.

   Calculate 56 ÷ 8.

   Formula:Division

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

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10. 10.

    Convert 9.69 kilometres into metres.

    Formula:Metric Length Conversion

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

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11. 11.

    Find 2/3 of 21.

    Formula:Fraction of a Quantity

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

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12. 12.

    Calculate 53 × 6.

    Formula:Multiplication

    $p = a \times b$

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13. 13.

    Find the mean (average) of these numbers: 17, 56, 62, 61, 71, 71.

    Formula:Arithmetic Mean

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

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14. 14.

    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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15. 15.

    Convert 6.29 kilometres into metres.

    Formula:Metric Length Conversion

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

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16. 16.

    Calculate 108 ÷ 6.

    Formula:Division

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

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17. 17.

    Find the perimeter of a rectangle measuring 29 m by 18 m.

    Formula:Perimeter of a Rectangle

    $P = 2(l + w)$

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18. 18.

    Convert 9.55 kilometres into metres.

    Formula:Metric Length Conversion

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

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19. 19.

    An item costs €18.71 and you pay with €30. How much change do you get?

    Formula:Change Due

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

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20. 20.

    Calculate 112 ÷ 8.

    Formula:Division

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

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