standard_description: Represent addition and subtraction with objects, fingers, mental images, drawings (Drawings need not show details, but should show the mathematics in the problem. (This applies wherever drawings are mentioned in the Standards.)), sounds (e.g., claps), acting out situations, verbal explanations, expressions, or equations.
problem_activity: Stage 1: Groups of Objects
Required Preparation
Materials to Gather
Collections of objects
Connecting cubes
Materials to Copy
Blackline Masters
Less, Same, More Mat

Narrative
Students choose a collection of objects and place the objects in the box at the top of the mat. They complete the mat to show groups that have fewer, the same, or more objects than the original amount.
Additional Information
Give at least 2 collections of between 2 and 9 objects per group of 2.


aligns: no