standard_description: Prove theorems about parallelograms. Theorems include: opposite sides are congruent, opposite angles are congruent, the diagonals of a parallelogram bisect each other, and conversely, rectangles are parallelograms with congruent diagonals.
problem_activity: Stage 1: Numbers to 10
Required Preparation
Materials to Gather
Colored pencils, crayons, or markers
Connecting cubes
Materials to Copy
Blackline Masters
Number Mat 1-10
Number Race Stage 1 Recording Sheet for Writing
Number Race Stage 1 Recording Sheet for Tracing

Narrative
Students take turns rolling a connecting cube onto a number mat and write the number (1–10) 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