Here is an introduction to weight measurement for your students. Each workbook is set up for two students to use, with different choices for each student. Each student will have 1 heavier and 1 lighter choice remaining. It's gives them the ability to choose which ones they want to use to demonstrate heavier and lighter. Teachers choice of color or black/white.
Here are some other measurement-based products we think you’ll love as well:
Read the Scale
Capacity and Volume