STEM Education: Teaching Science, Technology, Engineering and Math

Lesson plans from the California Academy of Sciences. No account required.

Interactive STEM activities free for your classroom. No account required; free account optional.

Math and games for kids, teachers, and parents. No account required.

Illuminations provides standards-based resources and materials that illuminate the vision of National Council of Teachers of Mathematics (NCTM) for school mathematics and improve the teaching and learning of mathematics for each and every student. Lessons and activities on Illuminations have been developed in alignment with NCTM’s Principles and Standards for School Mathematics and the Common Core State Standards. No account required.

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Each math lesson provides in-depth instruction ideal for learners of all ages and abilities. No account required.

Free interactive math and science simulations. No account required; free account optional.

A collection of almost 200 single concept lessons. The Mathematics lessons are divided into the following categories: Geometry and Measurement, Patterns and Logic, Probability and Statistics, Recreational and Creative Math, Practical and Applied Math, Arithmetic, Graphs and Visuals, Algebra and Trigonometry, and Miscellaneous. No account required.

Many activities are hands-on and related to popular topics that can be tied in with other units, such as sports, elections, nutrition, and more. Access for NTCM members only.

Uses the power of IBM's Watson to access free math lessons for K-8. No account required; free account optional.

Curated and easily searchable resources for science, technology, engineering, and mathematics education.

Visual Fractions includes worksheets, generators, games and fun activities to teach students how to work with and understand fractions. No account required.