Sharing a new problem from Catriona Shearer with the boys

Saw this problem from Catriona Shearer today and just had to share it with the boys when they got home:

The triangle and rectangle have the same area. What fraction of the total is shaded? pic.twitter.com/JXCDnLI06c

— Catriona Shearer (@Cshearer41) May 10, 2019

Here’s my 7th grader’s solution to the problem:

Here’s my 9th grader’s completely different solution:

As always is is fun to hear kids working through problems – especially the amazing ones from Catriona Shearer!