Indonesia · Grade 4 · Practice Sheet 47

1. 1.

   Find the perimeter of a rectangle measuring 36 m by 9 m.

   Formula:Perimeter of a Rectangle

   $P = 2(l + w)$

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2. 2.

   Calculate 25 × 11.

   Formula:Multiplication

   $p = a \times b$

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3. 3.

   What is 3 × 7?

   Formula:Multiplication (Times Tables)

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

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4. 4.

   Calculate 210 ÷ 10.

   Formula:Division

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

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5. 5.

   Find the perimeter of a rectangle measuring 8 m by 34 m.

   Formula:Perimeter of a Rectangle

   $P = 2(l + w)$

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6. 6.

   A rectangle is 16 cm long and 7 cm wide. Find its area.

   Formula:Area of a Rectangle

   $A = l \times w$

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7. 7.

   Find the perimeter of a rectangle measuring 9 m by 21 m.

   Formula:Perimeter of a Rectangle

   $P = 2(l + w)$

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8. 8.

   Convert 10.91 kilometres into metres.

   Formula:Metric Length Conversion

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

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9. 9.

   A rectangle is 37 cm long and 15 cm wide. Find its area.

   Formula:Area of a Rectangle

   $A = l \times w$

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10. 10.

    Calculate 20 × 7.

    Formula:Multiplication

    $p = a \times b$

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11. 11.

    Calculate 84 ÷ 7.

    Formula:Division

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

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12. 12.

    What is 3 × 3?

    Formula:Multiplication (Times Tables)

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

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13. 13.

    A rectangle is 10 cm long and 12 cm wide. Find its area.

    Formula:Area of a Rectangle

    $A = l \times w$

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14. 14.

    What is 4 × 5?

    Formula:Multiplication (Times Tables)

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

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15. 15.

    Find the perimeter of a rectangle measuring 26 m by 26 m.

    Formula:Perimeter of a Rectangle

    $P = 2(l + w)$

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16. 16.

    25 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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17. 17.

    Find the mean (average) of these numbers: 86, 65, 66, 28, 81.

    Formula:Arithmetic Mean

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

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18. 18.

    Calculate 306 ÷ 9.

    Formula:Division

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

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19. 19.

    Convert 4.53 kilometres into metres.

    Formula:Metric Length Conversion

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

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20. 20.

    30 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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