[[File:Addition and Subtraction 1 Cartridge.png|300px|thumb|left|Addition and Subtraction 1 Cartridge]]
===Front Cover of Manual===
Makes learning A self-paced addition and subtraction facts for numbers zero through nine fun and challenging ===Back Cover of Manual===The Addition and Subtraction 1 Command Module provides young children with an exciting introduction "tutor" to basic mathematical concepts involving the numbers zerothrough nine. The nine colorful activities begin with counting and move on to addition and subtraction, building on the help your child develop strong math skills learned in previous exercisesfor today's challenges. The optional Texas Instruments [[Solid State Speech Synthesizer|Solid State Speech<sup>TM</sup> Synthesizer]]r (sold separately) adds the feature of computer speech Suitable for children from kindergarten to the activities. Your child can now hear, as well as see, the instructions and exercises in the modulegrade eight.
===Triton Catalog - Spring 1984===
