Peru · Grado 4 · Practice Sheet 38

1. 1.

   Find the area of a square with side length 3 cm.

   Formula:Area of a Square

   $A = s^2$

   View formula →
2. 2.

   Convert 10.09 kilometres into metres.

   Formula:Metric Length Conversion

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

   View formula →
3. 3.

   Find 1/2 of 36.

   Formula:Fraction of a Quantity

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

   View formula →
4. 4.

   Calculate 63 ÷ 7.

   Formula:Division

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

   View formula →
5. 5.

   Calculate 23 × 7.

   Formula:Multiplication

   $p = a \times b$

   View formula →
6. 6.

   Find the mean (average) of these numbers: 63, 74, 93, 52, 37, 12.

   Formula:Arithmetic Mean

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

   View formula →
7. 7.

   Convert 10.04 kilometres into metres.

   Formula:Metric Length Conversion

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

   View formula →
8. 8.

   Find the area of a square with side length 22 cm.

   Formula:Area of a Square

   $A = s^2$

   View formula →
9. 9.

   What is 4 × 9?

   Formula:Multiplication (Times Tables)

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

   View formula →
10. 10.

    An item costs S/ 10.07 and you pay with S/ 20. How much change do you get?

    Formula:Change Due

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

    View formula →
11. 11.

    Calculate 97 × 10.

    Formula:Multiplication

    $p = a \times b$

    View formula →
12. 12.

    What is 6 × 5?

    Formula:Multiplication (Times Tables)

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

    View formula →
13. 13.

    27 sweets are shared equally among 3 children. How many does each child get?

    Formula:Division (Equal Sharing)

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

    View formula →
14. 14.

    A rectangle is 26 cm long and 11 cm wide. Find its area.

    Formula:Area of a Rectangle

    $A = l \times w$

    View formula →
15. 15.

    One item costs S/ 24.84. Find the total cost of 18 items.

    Formula:Total Cost

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

    View formula →
16. 16.

    Calculate 90 ÷ 9.

    Formula:Division

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

    View formula →
17. 17.

    Find the mean (average) of these numbers: 24, 11, 69, 84, 69, 26.

    Formula:Arithmetic Mean

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

    View formula →
18. 18.

    Calculate 192 ÷ 8.

    Formula:Division

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

    View formula →
19. 19.

    Find the area of a square with side length 13 cm.

    Formula:Area of a Square

    $A = s^2$

    View formula →
20. 20.

    Find the perimeter of a rectangle measuring 30 m by 18 m.

    Formula:Perimeter of a Rectangle

    $P = 2(l + w)$

    View formula →

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