Thailand · Grade 5 · Practice Sheet 47

1. 1.

   One item costs ฿14.68. Find the total cost of 20 items.

   Formula:Total Cost

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

   View formula →
2. 2.

   Find the perimeter of a rectangle measuring 7 m by 13 m.

   Formula:Perimeter of a Rectangle

   $P = 2(l + w)$

   View formula →
3. 3.

   Find 1/2 of 34.

   Formula:Fraction of a Quantity

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

   View formula →
4. 4.

   A rectangle is 9 cm long and 4 cm wide. Find its area.

   Formula:Area of a Rectangle

   $A = l \times w$

   View formula →
5. 5.

   Calculate 76 × 3.

   Formula:Multiplication

   $p = a \times b$

   View formula →
6. 6.

   Calculate 207 ÷ 9.

   Formula:Division

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

   View formula →
7. 7.

   Calculate 75 × 6.

   Formula:Multiplication

   $p = a \times b$

   View formula →
8. 8.

   Convert 8.78 kilometres into metres.

   Formula:Metric Length Conversion

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

   View formula →
9. 9.

   Find the mean (average) of these numbers: 82, 42, 20, 35, 30.

   Formula:Arithmetic Mean

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

   View formula →
10. 10.

    Convert 10 kilometres into metres.

    Formula:Metric Length Conversion

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

    View formula →
11. 11.

    Find the area of a square with side length 20 cm.

    Formula:Area of a Square

    $A = s^2$

    View formula →
12. 12.

    Find 2/5 of 45.

    Formula:Fraction of a Quantity

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

    View formula →
13. 13.

    Calculate 100 ÷ 10.

    Formula:Division

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

    View formula →
14. 14.

    An item costs ฿14.57 and you pay with ฿30. How much change do you get?

    Formula:Change Due

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

    View formula →
15. 15.

    A train moves at 86 km/h for 3.6 hours. How far does it travel?

    Formula:Distance from Speed & Time

    $d = v \times t$

    View formula →
16. 16.

    A triangle has a base of 21 cm and a height of 12 cm. Find its area.

    Formula:Area of a Triangle

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

    View formula →
17. 17.

    A car travels 658 km in 7 hours. Find its average speed.

    Formula:Speed

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

    View formula →
18. 18.

    Calculate 400 ÷ 10.

    Formula:Division

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

    View formula →
19. 19.

    A train moves at 73 km/h for 4.3 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: 20, 35, 71, 50, 97.

    Formula:Arithmetic Mean

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

    View formula →

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