The National Council of Teachers of Mathematics advocates for high-quality mathematics teaching …
The National Council of Teachers of Mathematics advocates for high-quality mathematics teaching and learning for each and every student. Find research and resources related to preschool here.
The van Hiele theory describes how young people learn geometry. It postulates …
The van Hiele theory describes how young people learn geometry. It postulates five levels of geometric thinking which are labeled visualization, analysis, abstraction, formal deduction and rigor. Each level uses its own language and symbols, and can be progressed from one to the next.
No restrictions on your remixing, redistributing, or making derivative works. Give credit to the author, as required.
Your remixing, redistributing, or making derivatives works comes with some restrictions, including how it is shared.
Your redistributing comes with some restrictions. Do not remix or make derivative works.
Most restrictive license type. Prohibits most uses, sharing, and any changes.
Copyrighted materials, available under Fair Use and the TEACH Act for US-based educators, or other custom arrangements. Go to the resource provider to see their individual restrictions.
