Counting Cars

Think of a way you could estimate the total number of cars that travel on the street in front of your school all day. Write down your plan and show it to your teacher.

Subject: Mathematics; Problem Solving
Topics:
- Estimation
- Use Proportional Reasoning
Grades: 3 - 5
Knowledge and Skills:
- Proportional reasoning

Download Activity: Counting Cars (PDF)

Hands-On Math Movie:

BatsBats

For some people, bats are one of the scariest groups of creatures out there. Not for Bert Grantges. He knows that without bats we'd be overrun by bugs, and that would be scarier. He uses basic math like estimation, percents and ratios to track bat populations.
Running time 1:43 minutes.

Watch the Movie