Norway · Grade 4 · Practice Sheet 29

1. 1.

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

   Formula:Area of a Square

   $A = s^2$

   View formula →
2. 2.

   A rectangle is 22 cm long and 17 cm wide. Find its area.

   Formula:Area of a Rectangle

   $A = l \times w$

   View formula →
3. 3.

   16 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 →
4. 4.

   Calculate 47 × 5.

   Formula:Multiplication

   $p = a \times b$

   View formula →
5. 5.

   Find 1/2 of 16.

   Formula:Fraction of a Quantity

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

   View formula →
6. 6.

   Calculate 47 × 12.

   Formula:Multiplication

   $p = a \times b$

   View formula →
7. 7.

   What is 3 × 2?

   Formula:Multiplication (Times Tables)

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

   View formula →
8. 8.

   Find the mean (average) of these numbers: 10, 82, 28, 63, 10, 68.

   Formula:Arithmetic Mean

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

   View formula →
9. 9.

   One item costs kr 19.19. Find the total cost of 10 items.

   Formula:Total Cost

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

   View formula →
10. 10.

    Calculate 71 × 12.

    Formula:Multiplication

    $p = a \times b$

    View formula →
11. 11.

    Convert 1.23 kilometres into metres.

    Formula:Metric Length Conversion

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

    View formula →
12. 12.

    Calculate 20 ÷ 5.

    Formula:Division

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

    View formula →
13. 13.

    Find the perimeter of a rectangle measuring 13 m by 32 m.

    Formula:Perimeter of a Rectangle

    $P = 2(l + w)$

    View formula →
14. 14.

    Find 1/3 of 51.

    Formula:Fraction of a Quantity

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

    View formula →
15. 15.

    Find the mean (average) of these numbers: 80, 72, 47, 85.

    Formula:Arithmetic Mean

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

    View formula →
16. 16.

    Find the area of a square with side length 24 cm.

    Formula:Area of a Square

    $A = s^2$

    View formula →
17. 17.

    Find 4/5 of 20.

    Formula:Fraction of a Quantity

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

    View formula →
18. 18.

    Find the perimeter of a rectangle measuring 14 m by 35 m.

    Formula:Perimeter of a Rectangle

    $P = 2(l + w)$

    View formula →
19. 19.

    Find the area of a square with side length 23 cm.

    Formula:Area of a Square

    $A = s^2$

    View formula →
20. 20.

    One item costs kr 15.31. Find the total cost of 3 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.