Hungary · Grade 4 · Practice Sheet 21

1. 1.

   Calculate 22 × 5.

   Formula:Multiplication

   $p = a \times b$

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2. 2.

   Find the mean (average) of these numbers: 19, 83, 99, 35.

   Formula:Arithmetic Mean

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

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3. 3.

   What is 3 × 3?

   Formula:Multiplication (Times Tables)

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

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4. 4.

   Find the mean (average) of these numbers: 13, 22, 41, 46, 73.

   Formula:Arithmetic Mean

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

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5. 5.

   What is 8 × 4?

   Formula:Multiplication (Times Tables)

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

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6. 6.

   One item costs Ft 12.94. Find the total cost of 17 items.

   Formula:Total Cost

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

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7. 7.

   Find 1/2 of 22.

   Formula:Fraction of a Quantity

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

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8. 8.

   Calculate 48 ÷ 8.

   Formula:Division

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

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9. 9.

   Find the area of a square with side length 6 cm.

   Formula:Area of a Square

   $A = s^2$

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10. 10.

    One item costs Ft 13.02. Find the total cost of 5 items.

    Formula:Total Cost

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

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11. 11.

    Calculate 49 × 4.

    Formula:Multiplication

    $p = a \times b$

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12. 12.

    Find the perimeter of a rectangle measuring 18 m by 22 m.

    Formula:Perimeter of a Rectangle

    $P = 2(l + w)$

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13. 13.

    Find the mean (average) of these numbers: 40, 71, 57, 61.

    Formula:Arithmetic Mean

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

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14. 14.

    Convert 7.56 kilometres into metres.

    Formula:Metric Length Conversion

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

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15. 15.

    What is 5 × 9?

    Formula:Multiplication (Times Tables)

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

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16. 16.

    One item costs Ft 1.58. Find the total cost of 8 items.

    Formula:Total Cost

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

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17. 17.

    Find 3/4 of 24.

    Formula:Fraction of a Quantity

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

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18. 18.

    A rectangle is 40 cm long and 19 cm wide. Find its area.

    Formula:Area of a Rectangle

    $A = l \times w$

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19. 19.

    Find the area of a square with side length 24 cm.

    Formula:Area of a Square

    $A = s^2$

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20. 20.

    Calculate 40 ÷ 4.

    Formula:Division

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

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