7 Super Fun Math Logic Puzzles for Kids! — Mashup Math Apr 15, 2020 · There is also a link to download a Free Printable PDF Math Logic Puzzles Worksheet and Answer Key that shares all of these logic puzzles at the end of this post!. All of the math logic puzzles below are samples from the best-selling 101 Daily Math Challenges for Engaging Students in Grades 3-8 PDF workbook, which is now available!