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Pros: Teachers can choose from tons of activities, which are nicely organized.
Cons: The tasks aren't very engaging for kids.
Bottom Line: TI Math activities use graphing utilities and focus more on procedural learning than reasoning.
TI Math provides a wide range of math activities from Algebra on up. These activities are tailored toward Texas Instruments technology, though most can be done with any graphing technology. Most activities are best introduced to the whole class but then worked on in pairs or small groups. Problems can be sent home for homework as long as each student has access to graphing technology. (Desmos is a free online graphing calculator that's a good alternative to expensive physical calculators -- which can cost $80 and up -- if students have access to computers and the Internet.) TI Math has activities aligned with Common Core Standards, but they may need to be modified to truly meet the Standards for Mathematical Practice.
TI Math is a website filled with activities for Algebra 1, Geometry, Algebra 2, Precalculus, Calculus, and Statistics classes. The site is sponsored by Texas instruments, and each activity asks kids to use a graphing utility such as graphing calculators, TI-Nspire, or TI-Navigator Technology. For example, kids might be asked to create a box plot and a histogram by comparing the two and drawing conclusions, connect the coordinates of the center of the circle and the radius to the parts of the circle equation (circle equations), or calculate gateway arc length.
TI Math’s greatest strength is that you can find a well-organized activity quickly for any of the Common Core High School Math Standards. Teachers can search by subject, key words, standards, or textbook. You can also look through lesson ideas by course. When searching for activities this way, there's a link for standards and textbook alignment.
The activities themselves vary in strength. Most of them have clear directions and attempt to provide real-world context for the math problems. The activities are very straightforward and directed, providing little opportunity for kids to puzzle through or try multiple strategies. For example, in "Double Tree," students “create” a mathematical model for a tree that doubles in height every year. However in reality they're not creating anything -- they're simply following a set of cookbook steps that show them how to replicate someone else’s model, which doesn't explain exponential growth in a particularly engaging or useful way.