Build a track from a story
Explore number trains through models, conversation, and hands-on discovery. Identify the whole and both parts in a joining context. Explore a model, explain the relationship, and try it with physical materials.
What children will practice.
Explore how to identify the whole and both parts in a joining context.
Ideas to explore.
Connect a model with a physical or paper representation. Invite learners to show what they notice and explain a relationship; an adult can read the directions and record their words.
An investigation to explore
A toy track has 4 spaces before a bridge and 4 after it. Build the full track. Cover the second part on paper: what remains visible and what is hidden?
An adult can read the prompt. Learners may arrange, draw, point, or explain. Full teaching directions and answer keys are in the free adult classroom.
From a model to a little discovery.
The complete lesson includes a teaching sequence, worked example, guided and independent investigations, a transfer task, student work mats, and a separate answer key. Choose US Letter or A4 PDFs.
Use Glow Math & Logic as an practice companion. The printable lesson also works away from a screen. Full teaching materials are included with a paid adult account.
Choose by readiness and prior teaching. Lesson drafts include proposed grade placement; starter guides are flexible workshop introductions.
Complete lesson drafts with proposed grade placement. Educators can share detailed feedback from the teaching guide.