Poland · Klasa 4 · Practice Sheet 10

1. 1.

   What is 3 × 3?

   Formula:Multiplication (Times Tables)

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

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2. 2.

   Calculate 91 × 8.

   Formula:Multiplication

   $p = a \times b$

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3. 3.

   One item costs zł 8.31. Find the total cost of 11 items.

   Formula:Total Cost

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

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4. 4.

   Calculate 70 × 5.

   Formula:Multiplication

   $p = a \times b$

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5. 5.

   Calculate 45 ÷ 5.

   Formula:Division

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

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6. 6.

   An item costs zł 29.36 and you pay with zł 30. How much change do you get?

   Formula:Change Due

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

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7. 7.

   A rectangle is 6 cm long and 12 cm wide. Find its area.

   Formula:Area of a Rectangle

   $A = l \times w$

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8. 8.

   Find 3/4 of 56.

   Formula:Fraction of a Quantity

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

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9. 9.

   What is 8 × 6?

   Formula:Multiplication (Times Tables)

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

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10. 10.

    Calculate 77 × 10.

    Formula:Multiplication

    $p = a \times b$

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11. 11.

    An item costs zł 4.8 and you pay with zł 20. How much change do you get?

    Formula:Change Due

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

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12. 12.

    Convert 2.18 kilometres into metres.

    Formula:Metric Length Conversion

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

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13. 13.

    Calculate 77 ÷ 11.

    Formula:Division

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

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14. 14.

    Find the mean (average) of these numbers: 78, 33, 71, 34, 11.

    Formula:Arithmetic Mean

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

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15. 15.

    Calculate 75 ÷ 5.

    Formula:Division

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

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16. 16.

    Find 1/3 of 60.

    Formula:Fraction of a Quantity

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

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17. 17.

    Calculate 89 × 11.

    Formula:Multiplication

    $p = a \times b$

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18. 18.

    Calculate 312 ÷ 12.

    Formula:Division

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

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19. 19.

    Calculate 76 × 11.

    Formula:Multiplication

    $p = a \times b$

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20. 20.

    A rectangle is 11 cm long and 10 cm wide. Find its area.

    Formula:Area of a Rectangle

    $A = l \times w$

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