Cookies on matura.mk

matura.mk does not use tracking cookies. Some lessons load from an outside service (mInstructor), which sets its own cookie.

Do you accept third-party cookies?

Cookie policy · You can change your choice at any time on the page „Cookies“.

Accessibility

Text size

High contrast

More space between lines and letters

Easier-to-read font

Underline and highlight links

Stop animations and motion

Larger mouse pointer

Read aloud

Your browser reads the text with the voice it has for this language.

Your browser does not support reading aloud.

All tests can be done without sound. YouTube videos have subtitles (CC button).
The site never needs speech: everything works with a keyboard, mouse or touch.

Accessibility statement

Skip to main content

matura.mkInteractive tests

State Matura
State Vocational Matura
Practice by topic
Video (YouTube, opens in a new window)
My progress
Materials
About the site

Language

Македонски МК
Shqip SQ
Türkçe TR
English EN

Home
Matura

Quiz

Cambridge Mathematics 9: Decimals

10 questions with solutions on the Cambridge Mathematics 9 topic: multiplying and dividing decimals, significant figures, estimation, measures and money.

Type the number or choose the right answer. When you finish, click Check answers and see the solutions.

1. 0.6 × 0.7 = ?

A. 4.2

B. 0.042

C. 1.3

D. 0.42

Solution: 6 × 7 = 42 with two decimal places in total: 0.42.

2. 2.4 × 0.05 = ?

A. 1.2

B. 0.012

C. 0.12

D. 0.48

Solution: 24 × 5 = 120 with three decimal places in total: 0.120 = 0.12.

3. 4.8 ÷ 0.06 = ?Enter a number only

Solution: Multiply both numbers by 100: 480 ÷ 6 = 80.

4. 7.2 ÷ 0.9 = ?Enter a number only

Solution: Multiply both numbers by 10: 72 ÷ 9 = 8.

5. Round 0.04567 to 2 significant figures.

A. 0.045

B. 0.05

C. 0.0457

D. 0.046

Solution: The first significant figures are 4 and 5; the next is 6 ≥ 5, so 0.04567 ≈ 0.046.

6. Round 38 492 to 3 significant figures.

A. 38 400

B. 38 490

C. 38 500

D. 385

Solution: The first three figures are 384; the next is 9 ≥ 5, so 38 492 ≈ 38 500.

7. 52 ÷ 0.01 = ?Enter a number only

Solution: Dividing by 0.01 is the same as multiplying by 100: 5200.

8. Round each number to 1 significant figure and estimate: 6.12 × 39.8Enter a number only

Solution: 6.12 ≈ 6 and 39.8 ≈ 40, so 6 × 40 = 240.

9. One exercise book costs 37.25 denars. How many denars do 4 books cost?Enter a number only

Solution: 4 × 37.25 = 149 denars.

10. How many metres is 2.5 m − 75 cm?

A. 1.25

B. 2.25

C. 1.75

D. 0.175

Solution: 75 cm = 0.75 m; 2.5 − 0.75 = 1.75 m.

Cambridge Mathematics 9

Integers, powers and roots
Expressions
Shapes and geometric reasoning
Fractions
Decimals
Processing and interpreting data
Length, mass and capacity
Equations and inequalities
Shapes and geometric reasoning 2
Presenting and interpreting data
Area, perimeter and volume
Formulae
Position and movement
Sequences
Probability
Functions and graphs
Fractions, decimals and percentages
Planning and collecting data
Ratio and proportion
Time and rates of change
Pythagoras' theorem
Trigonometry (extension)
Matrices and transformations (extension)

Primary school

Tests

Matura 2026
Archive by year
Vocational Matura
Offline use

Practice

Secondary
Exercises and games
My progress
For teachers

Community

YouTube
Facebook page
Facebook group
Moodle (log in)

About the site

About the author
Contact
Donate
Book a meeting
Accessibility statement
Cookies