Triangle Puzzler

Monitor young mathematicians' understanding of the coordinate plane with this short writing exercise. Provided with ordered pairs for three points, students must find the coordinates of a fourth point using information about the distance...

Building on the previous lesson in the 29-part series, the ninth lesson asks individuals to construct a triangle given specific criteria. First, they are given three specific side lengths and then two sides and the included angle....

Pattern recognition is an essential step in the development of young mathematicians fluency with the four basic operations. This simple skills practice worksheet asks children identify and complete three different numerical patterns,...

Dice up fractions and bring this game into the classroom. Players roll dice to create fractions, and then have to find an equivalent fraction on the board. Once they get three in a row, they win! 

Triangles, triangles, triangles. What makes a polygon a triangle? How many types of triangles are there? How do you determine what kind of triangle it is? Watch this video as the teacher explains 'tri' meaning three, making a triangle -...

Three-dimensional figures have certain key items such as faces, edges, and vertices. The video introduces these parts and identifies them in different prisms through color coordination. 

Given two points on a line, write an equation in point-slope form. But what's the slope? Oh, you have to figure out the slope first. That can be done given two points. Just use the rise over run slope formula. This isn't so hard after...

Students understand that a three sisters garden is comprised of corn, beans and squash. For this three sisters garden lesson, students understand that Native Americans planted three sisters gardens and grow a three sisters garden....

Twelve chapters cover a multitude of math concepts found in the Common Core standards for sixth grade. Each title provides a brief explanation of what you will find inside the chapter—concepts from which you can click on and learn more...

This modern animation and discussion of the ancient secrets of Pascal's triangle manages to be topical, engaging, and mathematically deep all at the same time. A great introduction to the power of number theory across multiple math...