Thinking Blocks is a suite of learning tools designed to help students solve math word problems accurately and efficiently. Using brightly colored blocks, students model mathematical relationships and identify known and unknown quantities. The model provides students with a powerful image that organizes information and simplifies the problem solving process. By modeling increasingly complex word problems, students develop strong reasoning skills which will facilitate the transition from arithmetic to algebra.

Six math projects that integrate real-world math problems are presented as a teaching strategy for helping students develop a greater understanding of math.

Writing in math is an excellent way to determine if students' understand or do not understand the math they are learning about.
Allowing students to explain how they solved a math problem, how they developed a formula to solve a problem, or how they applied a math concept requires critical thinking.

Get the Math is a multimedia project about algebra in the real world. See how professionals working in fashion, videogame design, and music production use algebraic thinking. Then take on interactive challenges related to those careers.

A site developed to help students achieve fact fluency. It's free, and ad free with the goal of remaining that way. It's a non-profit operating on grants and donations.
It only has memorization as a development tool at this time, but I hope that they will start adding strategy development and support.

The Multiplication Tool supports the teaching and learning of multi-digit multiplication, a critical elementary math skill that many students have difficulty mastering, but which is essential to success in middle and high school mathematics and beyond.