Peru · Grado 4 · Practice Sheet 30

1. 1.

   One item costs S/ 22.77. Find the total cost of 10 items.

   Formula:Total Cost

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

   View formula →
2. 2.

   Calculate 93 × 8.

   Formula:Multiplication

   $p = a \times b$

   View formula →
3. 3.

   Calculate 224 ÷ 7.

   Formula:Division

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

   View formula →
4. 4.

   Find the mean (average) of these numbers: 89, 76, 35, 12.

   Formula:Arithmetic Mean

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

   View formula →
5. 5.

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

   Formula:Area of a Rectangle

   $A = l \times w$

   View formula →
6. 6.

   One item costs S/ 2.1. Find the total cost of 18 items.

   Formula:Total Cost

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

   View formula →
7. 7.

   An item costs S/ 2.49 and you pay with S/ 20. How much change do you get?

   Formula:Change Due

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

   View formula →
8. 8.

   Calculate 24 × 3.

   Formula:Multiplication

   $p = a \times b$

   View formula →
9. 9.

   Find 3/8 of 48.

   Formula:Fraction of a Quantity

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

   View formula →
10. 10.

    A rectangle is 28 cm long and 20 cm wide. Find its area.

    Formula:Area of a Rectangle

    $A = l \times w$

    View formula →
11. 11.

    One item costs S/ 3.97. Find the total cost of 18 items.

    Formula:Total Cost

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

    View formula →
12. 12.

    Calculate 84 ÷ 4.

    Formula:Division

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

    View formula →
13. 13.

    Find 1/2 of 40.

    Formula:Fraction of a Quantity

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

    View formula →
14. 14.

    Calculate 216 ÷ 8.

    Formula:Division

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

    View formula →
15. 15.

    One item costs S/ 18.05. Find the total cost of 5 items.

    Formula:Total Cost

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

    View formula →
16. 16.

    Calculate 140 ÷ 4.

    Formula:Division

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

    View formula →
17. 17.

    Convert 9.92 kilometres into metres.

    Formula:Metric Length Conversion

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

    View formula →
18. 18.

    Find the mean (average) of these numbers: 41, 68, 33, 59, 69.

    Formula:Arithmetic Mean

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

    View formula →
19. 19.

    12 sweets are shared equally among 6 children. How many does each child get?

    Formula:Division (Equal Sharing)

    $\text{each} = \text{total} \div \text{groups}$

    View formula →
20. 20.

    One item costs S/ 20.96. Find the total cost of 11 items.

    Formula:Total Cost

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

    View formula →

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