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 2: Numbers 11 - 20
Required Preparation
Materials to Gather
Colored pencils, crayons, or markers
Connecting cubes
Materials to Copy
Blackline Masters
Number Mat 11–20
Number Race Stage 2 Recording Sheet for Writing
Number Race Stage 2 Recording Sheet for Tracing

Narrative
Students take turns rolling a connecting cube onto a number mat and write the number (11–20) they land on, on the recording sheet. Students may want to use colored pencils to write the numbers.
Variation:
Students may use the blackline master that allows them to trace each number to support their number writing skills.
Additional Information
Each group of 2 needs 1 connecting cube.


aligns: no