Stock Footage0:23
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'Trial and Error' Premiere

Pre-K - Higher Ed
Kelly Packard at the 'Trial and Error' Premiere at Academy Theater in Beverly Hills, California on May 21, 1997. (Footage by WireImage Video/Getty Images)
Stock Footage0:09
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'Trial and Error' Premiere

Pre-K - Higher Ed
Michael Richards at the 'Trial and Error' Premiere at Academy Theater in Beverly Hills, California on May 21, 1997. (Footage by WireImage Video/Getty Images)
Stock Footage0:33
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'Trial and Error' Premiere

Pre-K - Higher Ed
Wayne Knight at the 'Trial and Error' Premiere at Academy Theater in Beverly Hills, California on May 21, 1997. (Footage by WireImage Video/Getty Images)
Stock Footage0:06
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'Trial and Error' Premiere

Pre-K - Higher Ed
Ed Begley Jr at the 'Trial and Error' Premiere at Academy Theater in Beverly Hills, California on May 21, 1997. (Footage by WireImage Video/Getty Images)
Stock Footage1:59
Getty Images

'Trial and Error' Premiere

Pre-K - Higher Ed
Michael Richards at the 'Trial and Error' Premiere at Academy Theater in Beverly Hills, California on May 21, 1997. (Footage by WireImage Video/Getty Images)
Stock Footage0:09
Getty Images

'Trial and Error' Premiere

Pre-K - Higher Ed
Jeff Daniels at the 'Trial and Error' Premiere at Academy Theater in Beverly Hills, California on May 21, 1997. (Footage by WireImage Video/Getty Images)
Instructional Video
Virtual Nerd

Virtual Nerd: How Do You Solve an Equation by Guessing and Checking?

6th - 8th
Guessing and checking is one strategy to solve equations, but contrary to the name there is strategy involved. Watch this video for an explanation and examples. [4:34]