Curated OER
Choose the Operation: Plus or minus (up to 100)
Investigate the relationship between addition and subtraction as scholars fill in these number sentences, each of which is missing a symbol. Is it a subtraction or addition equation? There are 20 of these to start, all written...
Curated OER
Choose the Operation: Problem Solving
In this problem solving worksheet, learners use the steps of understand, plan, solve, and look back in order to decide how to solve the story problem and then solve it.
Curated OER
Choose the Operation
In this problem solving learning exercise, students solve 2 multiple choice story problems pertaining to home remodeling. Students choose the correct operation that should be used for each problem.
Curated OER
Choose the Operation
In this problem solving activity, students solve 6 problems in which picture clues are analyzed and the correct operation and math sentence are selected from 2 choices.