Question Title

* How many columns (or rods) are on a Cranmer abacus?
Leanne Grillot gave a demonstration of representing numbers on a Cranmer abacus in the APH webinar "Abacus Addition and Subtraction with Synthesis."
photo of an APH-branded Cranmer Abacus, with its two rows and thirteen rods

Question Title

* For a series of "punny" SUMMER JOKES, follow the link below! 🐬🦪🏊‍♀️
July 2023 Bonus Questions
APH is happy to provide Braille Refresher questions.

APH logo

T