I thought it’d be fun to start a tradition of posting a math puzzle every Monday! I’ve been coding puzzle generators for a while, which means I should be able to create an unlimited supply of math puzzles for anyone interested. I’ll try to make puzzles that are relevant to recent blog posts. Correspondingly, the puzzle below is good practice for counting on, provided that a child is fluent with counting on without concrete objects and can rote count to 40:

Click on the puzzle to open a copy of the puzzle as a pdf.

And here’s the solution to the puzzle as a pdf, if you want to check your student’s work!