Sri Lanka · Grade 4 · Practice Sheet 38

1. 1.

   Find the mean (average) of these numbers: 17, 73, 64, 87, 95, 82.

   Formula:Arithmetic Mean

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

   View formula →
2. 2.

   A rectangle is 19 cm long and 9 cm wide. Find its area.

   Formula:Area of a Rectangle

   $A = l \times w$

   View formula →
3. 3.

   What is 10 × 2?

   Formula:Multiplication (Times Tables)

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

   View formula →
4. 4.

   Calculate 63 × 7.

   Formula:Multiplication

   $p = a \times b$

   View formula →
5. 5.

   One item costs Rs 5.88. Find the total cost of 5 items.

   Formula:Total Cost

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

   View formula →
6. 6.

   An item costs Rs 20.98 and you pay with Rs 30. How much change do you get?

   Formula:Change Due

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

   View formula →
7. 7.

   8 sweets are shared equally among 4 children. How many does each child get?

   Formula:Division (Equal Sharing)

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

   View formula →
8. 8.

   What is 8 × 10?

   Formula:Multiplication (Times Tables)

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

   View formula →
9. 9.

   Convert 2.44 kilometres into metres.

   Formula:Metric Length Conversion

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

   View formula →
10. 10.

    6 sweets are shared equally among 2 children. How many does each child get?

    Formula:Division (Equal Sharing)

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

    View formula →
11. 11.

    Find 3/5 of 65.

    Formula:Fraction of a Quantity

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

    View formula →
12. 12.

    Calculate 22 × 10.

    Formula:Multiplication

    $p = a \times b$

    View formula →
13. 13.

    Calculate 184 ÷ 8.

    Formula:Division

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

    View formula →
14. 14.

    Find the area of a square with side length 4 cm.

    Formula:Area of a Square

    $A = s^2$

    View formula →
15. 15.

    What is 7 × 10?

    Formula:Multiplication (Times Tables)

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

    View formula →
16. 16.

    Convert 8.98 kilometres into metres.

    Formula:Metric Length Conversion

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

    View formula →
17. 17.

    Calculate 36 ÷ 6.

    Formula:Division

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

    View formula →
18. 18.

    Find the area of a square with side length 11 cm.

    Formula:Area of a Square

    $A = s^2$

    View formula →
19. 19.

    What is 3 × 4?

    Formula:Multiplication (Times Tables)

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

    View formula →
20. 20.

    Find the mean (average) of these numbers: 47, 32, 67, 25, 51.

    Formula:Arithmetic Mean

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

    View formula →

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