Russia · Grade 6 · Practice Sheet 36

1. 1.

   What is 40% of 490?

   Formula:Percentage of a Quantity

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

   View formula →
2. 2.

   One item costs ₽14.91. Find the total cost of 14 items.

   Formula:Total Cost

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

   View formula →
3. 3.

   Find the perimeter of a rectangle measuring 37 m by 34 m.

   Formula:Perimeter of a Rectangle

   $P = 2(l + w)$

   View formula →
4. 4.

   An item costs ₽2.57 and you pay with ₽20. How much change do you get?

   Formula:Change Due

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

   View formula →
5. 5.

   Find the mean (average) of these numbers: 40, 74, 84, 29, 46, 31.

   Formula:Arithmetic Mean

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

   View formula →
6. 6.

   ₽124 is shared in the ratio 1 : 3. Find each share.

   Formula:Dividing in a Ratio

   $\text{share} = \dfrac{\text{part}}{\text{total parts}} \times T$

   View formula →
7. 7.

   Find the mean (average) of these numbers: 41, 69, 12, 69, 91.

   Formula:Arithmetic Mean

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

   View formula →
8. 8.

   Find the area of a square with side length 16 cm.

   Formula:Area of a Square

   $A = s^2$

   View formula →
9. 9.

   A car travels 238 km in 7 hours. Find its average speed.

   Formula:Speed

   $v = \dfrac{d}{t}$

   View formula →
10. 10.

    A triangle has a base of 11 cm and a height of 8 cm. Find its area.

    Formula:Area of a Triangle

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

    View formula →
11. 11.

    Calculate 82 × 3.

    Formula:Multiplication

    $p = a \times b$

    View formula →
12. 12.

    Find the area of a square with side length 9 cm.

    Formula:Area of a Square

    $A = s^2$

    View formula →
13. 13.

    Calculate 45 ÷ 3.

    Formula:Division

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

    View formula →
14. 14.

    A triangle has a base of 21 cm and a height of 9 cm. Find its area.

    Formula:Area of a Triangle

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

    View formula →
15. 15.

    A rectangle is 29 cm long and 16 cm wide. Find its area.

    Formula:Area of a Rectangle

    $A = l \times w$

    View formula →
16. 16.

    What is 30% of 210?

    Formula:Percentage of a Quantity

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

    View formula →
17. 17.

    A circle has a radius of 24 cm. Find its area. (Use π ≈ 3.14159)

    Formula:Area of a Circle

    $A = \pi r^2$

    View formula →
18. 18.

    A train moves at 72 km/h for 3.2 hours. How far does it travel?

    Formula:Distance from Speed & Time

    $d = v \times t$

    View formula →
19. 19.

    Calculate 82 × 11.

    Formula:Multiplication

    $p = a \times b$

    View formula →
20. 20.

    ₽100 is shared in the ratio 2 : 2. Find each share.

    Formula:Dividing in a Ratio

    $\text{share} = \dfrac{\text{part}}{\text{total parts}} \times T$

    View formula →

© FormulaWon — formulawon.app · Answers & step-by-step working available on the solutions sheet.