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Bat Mobile
There are many kinds of bats. Some are smaller, and some are bigger. Use these patterns to make a mobile with bats. The numbers show the weight of each bat, in grams. Use math to balance your mobile.
| Subject: Mathematics Topics: Ratios Grades: 2 - 4; 5 - 7 Concepts: - Ratio - Proportion - Equality Knowledge and Skills: - Can create a ratio - Can determine whether or not two ratios are equal - Can add whole numbers (up to two digits) - Optional: Can multiply single digit numbers |
Download Activity: Bat Mobile (PDF)
Hands-On Math Movie:
Bats
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.
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