Description: Help your students master metric measurement with this engaging, self-correcting secret code activity! This no-prep worksheet focuses on measuring to the nearest centimeter with precision.

Students will use a ruler to measure various lines. Each correct measurement corresponds to a specific number in a secret code. Once all lines are measured accurately, a fun measurement-themed code is revealed!

This Resource Includes:

• Student worksheets with precise line segments.
• Secret code key for easy grading.
• Answer key for the teacher.

Perfect For:

• 1st, 2nd, or 3rd Grade Math Centers
• Early Finishers
• Sub Plans
• Small Groups