Friends of Seeds

Students use open number lines to represent one- and two-step story problems and solve using any strategy. Note: Activity 2 was updated in the Teacher Edition PDF and in the Teacher Presentation Screens on 1/12/2026.

By Amplify Classroom

Grades: 2nd Grade

Subject: Math

Learning goals: Today’s Goals • Represent and solve one- and two-step story problems within `100`. • Language Goal: Compare representations of story problems. (Speaking and Listening) Materials Lesson Resources: Comparison Tape Diagrams PDF (optional), Number Lines (0–100) PDF or Split Number Line (0–100) PDF (from prior lessons, optional), Tape Diagrams PDF (optional); Classroom Materials: dry-erase markers (optional), Questions to Ask Yourself chart (from Unit 2)