In this video I will take you through the construction steps to divide a given line segment into a specific ratio. I will construct two different ratios in this video, the technique is essentially the same for any ratio. You will need a compass and straightedge to follow along. Dividing a segment into a given […]Read more "Construction: Dividing a segment into a given ratio"
In this video I take you through the construction of two dilations in the plane. The first, a dilation by 2, and the second, a dilation by 1/4. You will need a compass and straightedge to follow along. These are both basic dilations- look for my next video to learn a more sophisticated technique that […]Read more "Construction: Dilation in the plane from an external point"
In this video I will show you the necessary steps to construct the rotation of a planar figure about a fixed point. You will need a compass, straightedge, and a protractor to follow along. Constructing a rotation about a fixed pointRead more "Construction: Rotation about a fixed point"
In this video I will take you through the steps necessary to translate a planar figure along a given vector. You’ll need a compass and straightedge to follow along. Translating Along a VectorRead more "Construction: Translation Along a Vector"
I am a high school math teacher in NY State, and I am totally obsessed with mathematics and teaching it. Nothing gets me more excited than helping students make new connections, develop important concepts, or gain confidence in their ability to learn and understand. Mathematics is all around us, and I find tremendous joy in […]Read more "The beginning…"