Math Playground offers a load of manipulatives for math concepts. The manipulatives are organized in topics such as Visual Division, Pattern Blocks, Percentages, and Equivalent Fractions to name but a few.
Pentomino - Wikipedia, the free encyclopedia.Comparison of labeling schemes for the 12 possible pentomino shapes. The first naming convention is the one used in this article. The second method is Conway's.
I want to start everyday in my classroom with a Brain Teaser/Problem. There are many benefits to this, including supporting french language acquisition, developing critical thinking skills, and challenging students to move onto higher levels of mathematical thinking. The Problem of the Week provides problems from various areas of mathematics and will be e-mailed to teachers for use with students from grades 3 and up. Available in French also!
5th Grade Fractions Games: math partner games for Common Core. Includes: fractions on a number line; equivalent fractions; common denominators; adding and subtracting fractions with unlike denominators; mixed numbers; improper fractions; simplifying fractions; multiplying fractions and mixed numbers times whole numbers; area of a rectangle with fractional side lengths; dividing a whole number by a fraction and a fraction by a whole number; word problems; and more!