Triangles: Basic Terminology
You'll practice identifying triangles and their parts.
Triangle Area
You'll practice calculating the area of a triangle when given a diagram.
Tic Tac Toe Area and Perimeter
Solve an area or perimeter problem to place an X or O on the board! If your answer is correct, click the empty square where you want to place your X or O. Beat the computer by getting 3 in a row!
The Pythagorean Theorem
You'll practice using the Pythagorean theorem to find the unknown side length of a right triangle.
The Parallelogram game
Choose the correct answer to the questions asked
The Greedy Triangle
Test your knowledge of the vocabulary and content in the book by completing this crossword puzzle!
Tesselations and Tangrams
Fun with geometric shapes and designs
Surface Area of a Sphere
You'll practice calculating the surface area of a sphere.
Surface Area of a Right Pyramid
You'll practice calculating the surface area of right pyramids.
Surface Area of a Right Prism
You'll practice calculating the lateral surface area and total surface area of a prism.