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When you are finished working on the module, press FCTN = (QUIT). The Texas Instruments title screen will reappear and you may safely remove the module.
===About the Activities===
====1. Add 2-Digit Numbers====
Two teaching examples show the addition of two 2-digit multiples of ten and the addition of two 2-digit numbers. Each number is graphically represented and the addition process is illustrated on the screen. In the practice exercises which follow each teaching example the digits of the sum must be entered .
