About this app

Part of the Math Practice Tools CFS Bundle Designed for use in middle and upper elementary classrooms. Work with 2-digit addition and subtraction problems in six forms: • JOIN with RESULT unknown • JOIN with CHANGE unknown • JOIN with START Unknown • SEPARATE with RESULT unknown • SEPARATE with CHANGE Unknown • SEPARATE with START Unknown Set the options to work with one form of problem at a time or mix in any combination. Set the range of sums/minuends as 10-25; 26-50; 51-99. Set an option to include negative numbers.

Latest release

What’s New

Version 1.0.7 Dec 4, 2018

Fixed a display issue seen on the 12.9 inch iPad Pro.

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