MathWonders

Interactive math lessons for K–12
Free • Curriculum-aligned

Make math fun and understandable

Short, interactive lessons and practice problems designed for classroom and home use. Works on tablets and Chromebooks.

Quick facts
  • Standards-aligned lessons
  • Printable worksheets
  • No student login required

Featured lessons

Click a lesson to open it. Lessons are short, focused, and come with practice problems.

Addition Basics

K-2 • Practice sums up to 20

Subtraction Basics

K-2 • Subtracting within 20

Intro to Fractions

3-5 • Fractions using circles and bars

Materials for teachers

Each lesson includes objectives, estimated time, materials, and printable worksheets.

  • Standards mapping (Common Core)
  • Step-by-step teaching notes
  • Formative assessment suggestions

Contact & transparency

We aim to make high-quality materials freely available to teachers and families. If you have a partnership or need accommodations, reach out.

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