Posts Tagged ‘Esti-Mystery’

51 Brand New Esti-Mysteries!  Here they come!  5 Challenge Levels!  All New Images!   If you’ve used the Esti-Mysteries from the original Esti-Mysteries blog post, or the 15 additional Esti-Mysteries that I wrote for 20 Days of Number Sense and Rich Math Talk, you’ll really enjoy this new set!   I’m writing and releasing 51 Esti-Mysteries…