Singapore · Grade 4 · Practice Sheet 15

1. 1.

   Find the mean (average) of these numbers: 15, 41, 37, 94, 85, 99.

   Formula:Arithmetic Mean

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

   View formula →
2. 2.

   Calculate 96 × 3.

   Formula:Multiplication

   $p = a \times b$

   View formula →
3. 3.

   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 →
4. 4.

   Find the mean (average) of these numbers: 91, 30, 18, 62, 68, 16.

   Formula:Arithmetic Mean

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

   View formula →
5. 5.

   Calculate 372 ÷ 12.

   Formula:Division

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

   View formula →
6. 6.

   Find the mean (average) of these numbers: 56, 97, 23, 94, 61.

   Formula:Arithmetic Mean

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

   View formula →
7. 7.

   Convert 2.75 kilometres into metres.

   Formula:Metric Length Conversion

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

   View formula →
8. 8.

   Calculate 71 × 5.

   Formula:Multiplication

   $p = a \times b$

   View formula →
9. 9.

   Find the perimeter of a rectangle measuring 13 m by 18 m.

   Formula:Perimeter of a Rectangle

   $P = 2(l + w)$

   View formula →
10. 10.

    Calculate 185 ÷ 5.

    Formula:Division

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

    View formula →
11. 11.

    One item costs $19.85. Find the total cost of 17 items.

    Formula:Total Cost

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

    View formula →
12. 12.

    Find 1/2 of 36.

    Formula:Fraction of a Quantity

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

    View formula →
13. 13.

    Calculate 69 × 3.

    Formula:Multiplication

    $p = a \times b$

    View formula →
14. 14.

    What is 8 × 4?

    Formula:Multiplication (Times Tables)

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

    View formula →
15. 15.

    An item costs $6.11 and you pay with $20. How much change do you get?

    Formula:Change Due

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

    View formula →
16. 16.

    Calculate 352 ÷ 11.

    Formula:Division

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

    View formula →
17. 17.

    Calculate 93 × 7.

    Formula:Multiplication

    $p = a \times b$

    View formula →
18. 18.

    An item costs $2.77 and you pay with $20. How much change do you get?

    Formula:Change Due

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

    View formula →
19. 19.

    Calculate 32 ÷ 8.

    Formula:Division

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

    View formula →
20. 20.

    Find the mean (average) of these numbers: 98, 38, 26, 33, 40.

    Formula:Arithmetic Mean

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

    View formula →

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