South Korea · Grade 4 · Practice Sheet 27

1. 1.

   Calculate 196 ÷ 7.

   Formula:Division

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

   View formula →
2. 2.

   Find the area of a square with side length 27 cm.

   Formula:Area of a Square

   $A = s^2$

   View formula →
3. 3.

   What is 4 × 2?

   Formula:Multiplication (Times Tables)

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

   View formula →
4. 4.

   Convert 4.94 kilometres into metres.

   Formula:Metric Length Conversion

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

   View formula →
5. 5.

   Find 1/4 of 52.

   Formula:Fraction of a Quantity

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

   View formula →
6. 6.

   A rectangle is 8 cm long and 24 cm wide. Find its area.

   Formula:Area of a Rectangle

   $A = l \times w$

   View formula →
7. 7.

   An item costs ₩31.08 and you pay with ₩40. How much change do you get?

   Formula:Change Due

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

   View formula →
8. 8.

   Calculate 143 ÷ 11.

   Formula:Division

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

   View formula →
9. 9.

   Convert 8.65 kilometres into metres.

   Formula:Metric Length Conversion

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

   View formula →
10. 10.

    Calculate 65 ÷ 5.

    Formula:Division

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

    View formula →
11. 11.

    Find the mean (average) of these numbers: 84, 14, 34, 31.

    Formula:Arithmetic Mean

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

    View formula →
12. 12.

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

    Formula:Area of a Square

    $A = s^2$

    View formula →
13. 13.

    Find the perimeter of a rectangle measuring 5 m by 27 m.

    Formula:Perimeter of a Rectangle

    $P = 2(l + w)$

    View formula →
14. 14.

    Calculate 352 ÷ 11.

    Formula:Division

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

    View formula →
15. 15.

    Find the mean (average) of these numbers: 62, 33, 87, 49, 55.

    Formula:Arithmetic Mean

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

    View formula →
16. 16.

    Convert 7.37 kilometres into metres.

    Formula:Metric Length Conversion

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

    View formula →
17. 17.

    Find the perimeter of a rectangle measuring 37 m by 6 m.

    Formula:Perimeter of a Rectangle

    $P = 2(l + w)$

    View formula →
18. 18.

    Find the mean (average) of these numbers: 22, 19, 55, 85.

    Formula:Arithmetic Mean

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

    View formula →
19. 19.

    One item costs ₩13.82. Find the total cost of 6 items.

    Formula:Total Cost

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

    View formula →
20. 20.

    Find the area of a square with side length 17 cm.

    Formula:Area of a Square

    $A = s^2$

    View formula →

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