Sprint 3 · Chapter 1

Significant Figures: Which Digits Can You Trust?

Count the significant figures in any measurement, including the tricky zeros, and see why changing units never changes the count.

1. 1Sure Digits Plus One Guess
2. 2The Zero Rules
3. 3Significant Figure Rules Card
4. 4Counting Digits, Worked Out
5. 5Match Number to Count
6. 6Exercise 1.10 Challenge
7. 7Zero Rule Flashcards