1. Copyright © 2011 InteractiveScienceLessons.com 1 minute minute 60 seconds How many seconds are there in a minute? = 60 seconds

2. Copyright © 2011 InteractiveScienceLessons.com 1 meter meter 100 centimeters centimeter 10 millimeters How many millimeters are there in a meter? = 1x 100x 10 1 1,000 millimeters

3. Copyright © 2011 InteractiveScienceLessons.com What we know- there are days until Dec. 25 th Conversions- there are: –24 hr./day –60 min./hr. –60 sec./min. How many seconds until Christmas? 112

4. Copyright © 2011 InteractiveScienceLessons.com 112 days day 24 hr. hr. 60 min. min. 60 sec. = 9,676,800 seconds until Christmas! How many seconds until Christmas? 112x 24x 60 1

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