Mastering Math Series 1: Early Addition [Model MECC-A788]

Mastering Math Series 1: Early Addition © 1983 MECC

Children are challenged by problems in simple addition, and the computer rewards success with exciting visual events. With correct answers to one and two-digit problems, children help firefighters put out a blaze, make airplanes fly, or pit their jumping frog against the computer's in a race.