Significant figures
Mathematics · Grade 8 · about 40 minutes
Which digits actually carry information, how to count them, and how to round a number to a stated number of them.
Sign in to read this lesson
Lessons are for learners and teachers with an account. Browsing the curriculum — subjects, strands and what each sub-strand covers — stays open to everyone.
- 7 sections of explanation, worked examples and diagrams
- 1 practice task with hints and worked answers
- A quiz that marks itself as you go
- Your progress kept across every subject you take