Dan Meyer's Three Act Math task on proportions. Learners work with ratios and proportions, to determine how to fix the incorrectly mixed paint.
Today's math curriculum is teaching students to expect -- and excel at ...
Today's math curriculum is teaching students to expect -- and excel at -- paint-by-numbers classwork, robbing kids of a skill more important than solving problems: formulating them. In his talk, Dan Meyer shows classroom-tested math exercises that prompt students to stop and think. (Filmed at TEDxNYED.)