Why is a River After a Flood Like a Large Dictionary?
In this math worksheet, students subtract mixed numbers with different denominators. Some regrouping from the whole number to the fraction is required. Students use answers to solve the riddle in the title of the worksheet.
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New Review Why Is It Called a Square Root?
Take a radical look at square roots. The presentation examines square roots as the lengths of the sides of a square with a given area on the coordinate plane. Using this method, it is clear why the square root of a number can be positive...
3 mins 7th - 10th Math CCSS: Adaptable
Is Our Climate Headed for a Mathematical Tipping Point?
Raising the global temperature by two degrees may not seem like much, but the impact this would have on the planet is amazing. Follow along with this short video as it examines how even a small change to a system can turn its regular,...
4 mins 7th - 12th Math CCSS: Adaptable
Why Do Honeybees Love Hexagons?
Float like a butterfly, think like a bee! Build a huge hive, hexagonally! Find out the reason that hexagons are the most efficient storage shape for the honeybees' honeycombs. This neat little video would be a sweet addition to your life...
4 mins 6th - 12th Math CCSS: Adaptable
Write Equivalent Expressions by Combining Like Terms
After watching this presentation, your class will know how to identify when two algebraic expressions are equivalent. It is the final video of a three-part series that uses algebra tiles to model each expression. The presentation listed...
5 mins 5th - 7th Math CCSS: Designed