NCTM established the Mathematics Education Trust (MET) in 1976 to channel the generosity of donors by creating grants for preservice teachers, in-service teachers, coaches, teacher-leaders, teacher ...

Thinking about numbers using frames of 5 can be a helpful way to learn basic number facts. The four games that can be played with this applet help to develop counting and addition skills. (This applet ...

Classroom Resources / Illuminations Shape Sorter Grade: 6th to 8th A rhombus has four congruent sides. A rectangle has four congruent angles. But a square has four congruent sides and four congruent ...

Use " Notice and Wonder " prompts to engage students in active observation and inquiry. This technique encourages students to observe mathematical patterns, make connections, and generate questions ...

The user can manipulate the side lengths of one of two similar rectangles and the scale factor to learn about how the side lengths, perimeters, and areas of the two rectangles are related. To change ...

Departments consist of short, focused articles along a particular theme or in a specific format. Writing for a department is a great way for teachers to see their names is print! Short articles (700 – ...

Each calendar needs a variety of problems to appeal to a wide range of students in grades 8-12. Topics from arithmetic, algebra, geometry, number theory, statistics, discrete mathematics, probability ...

Department Descriptions from Teaching Children Mathematics News & Views Share news about happenings in the field of elementary school mathematics education, views on matters pertaining to teaching and ...

The programs of the National Council of Teachers of Mathematics present a variety of viewpoints. The content and views expressed or implied in these presentations should not be interpreted as official ...

Educational decisions made by teachers, school administrators, and other professionals have important consequences for students and for society. The Principles for school mathematics provide guidance ...

Use tiles to represent variables and constants, learn how to represent and solve algebra problem. Solve equations, substitute in variable expressions, and expand and factor. Flip tiles, remove zero ...