Lapakko

This game is designed for formative assessment after studying or just after introducing acute/obtuse/equilateral/right triangles and rays/acute angles/obtuse angles. This activity is fun, engaging and focuses on items students find tricky. This flip card game is a great way to get students thinking and working actively on an far too often rote activity.

This document is an introductory worksheet on perimeter. There is a mix of regular and irregular shapes with sides labeled on this 2 page worksheet.