Curated OER
Subtraction Maze
In this math puzzle instructional activity, students use their subtraction skills to solve a math puzzle and write an explanation of their problem solving strategy.
Curated OER
Alien Math Maze
In this subtraction instructional activity, 2nd graders solve the 22 subtraction problems. Students then color all of the squares that have a number 8 in their answer to help the alien get to his spaceship.