Very detailed 1st Grade Math Lesson:
Word Problems; Addition and Subtraction
- Detailed Lesson Plan
- Modified Worksheet
- Answer Key
Common Core Standards
- USA- Common Core State Standards
- Subject: Mathematics
- Grade: Grade 1
- Domain: Operations and Algebraic Thinking 1.OA
- Cluster: Represent and solve problems involving addition and subtraction.
1. Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.