Curated OER
Quadrilateral Clues
Fourth and fifth graders work in pairs explore quadrilaterals. In this problem-solving lesson, learners participate in hands-on activities that require them to identify, describe, compare, and classify quadrilaterals. This is meant to...
Curated OER
Classify Quadrilaterals
Here is a quadrilateral learning exercise in which learners choose words that describe shapes, words to complete sentences that describe shapes. A reference web site is given for additional activities.