Mastering Math Series 5: Subtraction Puzzles [Model MECC-A146]

Mastering Math Series 5: Subtraction Puzzles © 1985 MECC [Minnesota Educational Computing Corp.]

Motivate your children to work subtraction problems involving regrouping with these colorful, challenging games. Correct answers give youngsters the opportunity to figure out the names of mystery creatures, to solve tracing and peg-jumping puzzles, to capture genies in a bottle, and to take a balloon trip across the ocean!