Home Getting Started Answer Try These Think About This... Did You Know? Resources
Circle
Figure This!
???
Which is worth more, a
Grid SMILE or a
Grid Smile! Grid Smile! Grid
Grid Frown Grid
??
FROWN
Grid Grid Grid
Grid Neutral Grid
Grid Frown Grid Frown
The costs of combinations of frowns, smiles and neutral faces are shown. How much is a smile worth?
Grid Grid Grid
Smile!
Grid Frown Grid Frown
Want a Hint?
Grid Grid Grid
Smile!
Grid Neutral Grid
Grid Frown Grid
Reasoning about unknowns is essential to studying equations. Economists, nurses, chemists and engineers all use equations in their work.
Grid Grid Grid

Google Classroom Google Classroom logo or Canvas Canvas Logo

Powered by ASSISTments

HomeGetting StartedAnswerTry TheseThink About ThisDid You Know?Resources
Try Another ChallengeChallenge IndexMath Index · Printing the ChallengesEn Español
Family CornerTeacher CornerAbout Figure This!
©2004 National Council of Teachers of Mathematics
Web site and CD-ROM design/production
© 1999-2004 KnowNet Construction, Inc.