Hong Kong · Grade 4 · Practice Sheet 48

1. 1.

   What is 4 × 4?

   Formula:Multiplication (Times Tables)

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

   View formula →
2. 2.

   Find the mean (average) of these numbers: 44, 97, 41, 37.

   Formula:Arithmetic Mean

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

   View formula →
3. 3.

   Find the area of a square with side length 19 cm.

   Formula:Area of a Square

   $A = s^2$

   View formula →
4. 4.

   Calculate 68 × 9.

   Formula:Multiplication

   $p = a \times b$

   View formula →
5. 5.

   An item costs HK$ 14.29 and you pay with HK$ 20. How much change do you get?

   Formula:Change Due

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

   View formula →
6. 6.

   A rectangle is 12 cm long and 22 cm wide. Find its area.

   Formula:Area of a Rectangle

   $A = l \times w$

   View formula →
7. 7.

   Convert 11.12 kilometres into metres.

   Formula:Metric Length Conversion

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

   View formula →
8. 8.

   Find the perimeter of a rectangle measuring 38 m by 30 m.

   Formula:Perimeter of a Rectangle

   $P = 2(l + w)$

   View formula →
9. 9.

   What is 3 × 7?

   Formula:Multiplication (Times Tables)

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

   View formula →
10. 10.

    Find the mean (average) of these numbers: 16, 66, 96, 35.

    Formula:Arithmetic Mean

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

    View formula →
11. 11.

    Calculate 42 ÷ 7.

    Formula:Division

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

    View formula →
12. 12.

    One item costs HK$ 11.71. Find the total cost of 9 items.

    Formula:Total Cost

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

    View formula →
13. 13.

    Find the mean (average) of these numbers: 17, 34, 19, 96.

    Formula:Arithmetic Mean

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

    View formula →
14. 14.

    One item costs HK$ 21.2. Find the total cost of 19 items.

    Formula:Total Cost

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

    View formula →
15. 15.

    Find 6/8 of 104.

    Formula:Fraction of a Quantity

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

    View formula →
16. 16.

    15 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 →
17. 17.

    Calculate 90 × 3.

    Formula:Multiplication

    $p = a \times b$

    View formula →
18. 18.

    Find 3/8 of 72.

    Formula:Fraction of a Quantity

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

    View formula →
19. 19.

    A rectangle is 40 cm long and 10 cm wide. Find its area.

    Formula:Area of a Rectangle

    $A = l \times w$

    View formula →
20. 20.

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

    Formula:Division (Equal Sharing)

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

    View formula →

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