Two effective manipulatives that can be used to support fractions and base 10 learning are base 10 blocks and Cuisenaire rods ...

Tessellations aren’t just eye-catching patterns—they can be used to crack complex mathematical problems. By repeatedly ...

Big Idea – We can describe, measure, and compare spatial relationships. to build on students' knowledge of symmetry and develop students' reasoning with properties of symmetry to develop an ...

Children have a strong capacity for attending to, and identifying symmetry, which is helpful when sorting, comparing, and constructing shapes. These lessons are intended to further students' knowledge ...

Crows are able to look at a handful of four-sided shapes and correctly distinguish those that exhibit geometric regularity from those that don't, according to a provocative new study. It's the first ...

Revise the different types of angles and rules for calculating angles. This guide includes interactive activities and a quiz. NEW: Angles in parallel lines Revise alternate, correspondent or ...