CK-12 Foundation
Matrices to Represent Data: Houndstooth
Apply matrices to fashion. Here your classes use a matrix to create a popular clothing design. As they construct the pattern, they review the dimensions of a matrix by considering the rows and columns.
Curated OER
Finding the Area of a Triangle
Fifth graders investigate the area of a triangle. In this geometry lesson, 5th graders practice finding the area of a triangle using the correct formula: 1/2bh.
Curated OER
Geo-Wrap Vests
First graders use geometric shapes to create and extend patterns. Students read a book and view African garments. They identify patterns in the garments. Students create and decorate a paper vest with geometric patterns.