Significant Figures

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Objective

I can identify the number of significant figures in a given measurement.

Part 1 of 3

Warm-up video

Professor Dave Explains · 3:39Vetted channel

We don't generate video — this one is by Professor Dave Explains on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.

Part 2 of 3

Practice

7 questions

1

How many significant figures are in each of the following measurements? a) 123.45 m b) 0.0023 s c) 405.0 kg d) 1,000 L e) 1000. L

2

Explain the rules for determining whether zeros are significant figures in a measurement. Give an example of each rule.

Part 3 of 3

Exit ticket

Quick comprehension check

How many significant figures are in the measurement 0.0450 grams? How many significant figures are in the measurement 12,000 meters?

Sample answer included in the free materials

Get the materials

Teacher guide, student handout, and slides — free, in Google Docs format

  • Teacher Guide

    Complete lesson plan with answer keys and alternate activities

  • Student Handout

    Printable worksheet

  • Slides

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