Find the Value of the Mystery Angle!

by So Blessed to Be a Teacher

Price: 125 points or $1.25 USD

Subjects: math,mathElementary,geometry

Grades: 5,6

Description: This deck of Boom Cards will help your students practice finding the value of the third angle of a triangle when they know the value of the first two! This engaging deck includes cards that explain the process of determining the size of the third angle of a triangle when you know the sizes of two of the angles. After reviewing the process, students can practice with interactive cards that ask them to type in the value of a mystery angle! ------------------------- (Boom™ is the trademark of Boom Learning. Used with permission. This resource was created before Boom Learning's October 1, 2025 trademark guidelines.)