This fun classroom exercise is common core aligned to standard 2.OA.B.2 - Add and subtract within 20 using mental strategies. The opening activity gets students up and out of their seats as they create human number lines to solve math word problems to track Bigfoot. After completing the opening activity, teacher will use guided examples and student worksheets to facilitate mastery of addition and subtraction within 20.
This activity includes:
1. Teacher Instructions
2. Opening Activity Printables
3. Student Guided Practice
4. Student Independent Practice