Number Sense · Unit 1
Grade 8 · easy study guide

How do numbers work?

Choose one topic at a time. Each page has a short explanation, a solving recipe, a worked example, and four questions to test yourself.

Your roadmap

Pick today's topic

Seven lessons and one bonus preview. Open only the page you need.

A simple routine

Study in 15 minutes

You do not need to reread every slide at once. Work on the topic from today's class.

  1. 3 minutes: Read the short explanation and say it in your own words.
  2. 5 minutes: Copy the worked example, then cover it and redo it.
  3. 5 minutes: Try the first question and one extra question before opening their answers.
  4. 2 minutes: Check your mistake or explain the answer to someone else. Save the challenge for later review.