Check out this number game to solve and then challenge yourself to explain your math thinking.

• Grab scratch paper

• Set timer for 5 min 

• Go to The Mind Reader website created by Transum and follow the instructions

          The Mind Reader

• Record all of your math step by step on your paper

• Look for patterns

• Brainstorm on possible reasons why The Mind Reader is able to predict your symbol every time.

• At the end of the 5 minutes, write a several sentences about how you think this game works. 

lesson adapted from https://www.transum.org/Maths/Investigation/Mind_Reader/ and Yummy math