standard_description: Represent whole numbers as lengths from 0 on a number line diagram with equally spaced points corresponding to the numbers 0, 1, 2, ..., and represent whole-number sums and differences within 100 on a number line diagram.
problem_activity: Stage 1: Explore
Required Preparation
Materials to Gather
Connecting cubes

Narrative
Students have free exploration time with connecting cubes.


aligns: no