Find where to buy the TI-84 Plus CE graphing calculator in a variety of bold, fun colors.
Download free 90-day trial versions of the most popular TI software and handheld emulators.
Bring a new dimension of learning to your classroom with activities that put math in motion.
Explore teaching strategies for synchronous and asynchronous learning with TI technology.
Drive deeper, more relevant understanding of science in middle grades and high school.
Students explore permutations and combinations by arranging letters when order does and does not make a difference.
Students begin by exploring permutations. They will create permutations by selecting three of the four letters and rearranging them in as many ways as possible, such that order of the letters matters. Students will also explore combinations in a similar fashion.
As an extension, students will simulate the handshake problem by connecting points with segments.
© Copyright 1995-2020 Texas Instruments Incorporated. All rights reserved.