Congruent Shapes

posted Feb 25, 2014, 1:26 PM by Patrick Johnson   [ updated Feb 25, 2014, 1:28 PM ]
Today we played the YES/NO game (concept attainment). Students had to figure out why I placed some shape pairs in the YES group and others in the NO group. The YES pairs had a quality that the NO pairs did not have. I gave students the opportunity to change and revise their predictions as we went through the examples. Finally, students decided which TESTERS belonged in the YES and NO group and why. The YES group are all congruent shapes (the same size and same shape although might be rotated) and the NO group were not congruent shapes.





TRY THIS!
Which of these shapes are congruent to each other?


Which of these shapes are congruent to each other?


Comments