Peru · Grado 6 · Practice Sheet 20

1. 1.

   One item costs S/ 5.25. Find the total cost of 5 items.

   Formula:Total Cost

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

   View formula →
2. 2.

   What is 75% of 370?

   Formula:Percentage of a Quantity

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

   View formula →
3. 3.

   One item costs S/ 10.88. Find the total cost of 17 items.

   Formula:Total Cost

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

   View formula →
4. 4.

   An item costs S/ 23.65 and you pay with S/ 30. How much change do you get?

   Formula:Change Due

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

   View formula →
5. 5.

   Calculate 171 ÷ 9.

   Formula:Division

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

   View formula →
6. 6.

   A triangle has a base of 5 cm and a height of 23 cm. Find its area.

   Formula:Area of a Triangle

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

   View formula →
7. 7.

   Find the circumference of a circle whose radius is 19 m. (Use π ≈ 3.14159)

   Formula:Circumference of a Circle

   $C = 2\pi r$

   View formula →
8. 8.

   An item costs S/ 28.63 and you pay with S/ 30. How much change do you get?

   Formula:Change Due

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

   View formula →
9. 9.

   Calculate 60 ÷ 5.

   Formula:Division

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

   View formula →
10. 10.

    Find 1/2 of 30.

    Formula:Fraction of a Quantity

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

    View formula →
11. 11.

    Find the mean (average) of these numbers: 61, 33, 19, 19, 12, 75.

    Formula:Arithmetic Mean

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

    View formula →
12. 12.

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

    Formula:Area of a Rectangle

    $A = l \times w$

    View formula →
13. 13.

    A circle has a radius of 22 cm. Find its area. (Use π ≈ 3.14159)

    Formula:Area of a Circle

    $A = \pi r^2$

    View formula →
14. 14.

    Calculate 216 ÷ 6.

    Formula:Division

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

    View formula →
15. 15.

    S/ 176 is shared in the ratio 4 : 4. Find each share.

    Formula:Dividing in a Ratio

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

    View formula →
16. 16.

    A triangle has a base of 22 cm and a height of 20 cm. Find its area.

    Formula:Area of a Triangle

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

    View formula →
17. 17.

    Find the mean (average) of these numbers: 49, 46, 58, 46.

    Formula:Arithmetic Mean

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

    View formula →
18. 18.

    An item costs S/ 39.62 and you pay with S/ 50. How much change do you get?

    Formula:Change Due

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

    View formula →
19. 19.

    A train moves at 65 km/h for 5 hours. How far does it travel?

    Formula:Distance from Speed & Time

    $d = v \times t$

    View formula →
20. 20.

    Find the mean (average) of these numbers: 39, 84, 62, 25.

    Formula:Arithmetic Mean

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

    View formula →

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