Start a 10-Day Free Trial to Unlock the Full Review

#### Why Lesson Planet?

**Find**quality lesson planning resources, fast!

**Share**& remix collections to collaborate.

**Organize**your curriculum with collections. Easy!

**Have**time to be more creative & energetic with your students!

Use old batteries and a voltage sensor to investigate positive and negative numbers. Pupils observe the sum of the battery voltages to explore addition of signed numbers. This is a clever way to review these skills while demonstrating how they are applied to real-life situations.

18 Views
11 Downloads

Resource Details

Included Materials

- Worksheet

#### Be the first to comment

Join Lesson Planet Community, our free teacher discussion forum, to share ideas about this resource, and more.

Join the Conversation