PACE 1109 ends with a section about Significant Digits which students often find confusing. Many students think they “get it” – only to fail the last check-up. Here are a couple of lessons to watch before doing that last check-up! I hope you better understand Significant Digits and how to do problems with them after watching these!

Significant Digits - part 1

Significant Digits - part 2

Significant Digits - part 3 - review before tests

Lesson clarifying unit conversions