In this lesson, students will have the opportunity to explore, create their own thinking, and collaborate. Students will work in groups to put together number problems with their sums and differences.
- 1.ATO Algebraic Thinking and Operations
- 1.ATO.1 Solve real-world/story problems using addition (as a joining action and as a part-part-whole action) and subtraction (as a separation action, finding parts of the whole, and as a comparison) through 20 with unknowns in all positions.
- 1.ATO.6 Demonstrate:
- 1.ATO.7 Understand the meaning of the equal sign as a relationship between two quantities (sameness) and determine if equations involving addition and subtraction are true.
Lesson Created By: LauraWhitener