Know the Concepts, Don't Memorize! The World's No. 1 in Conceptual Math

Know the Concepts, Don’t Memorize! The World’s No. 1 in Conceptual Math

Contains all the concepts needed for ages 4-9, the golden age of learning math!

No. 1 in the Children·Education Section of the App Store in over 20 Countries Worldwide Over 10 million Downloads

Todo Is All I Need to Foster My Child's Confidence in Math

Building Up Solid Math Concepts over Time

Personalized Lessons for Your Child

Lessons from preschool through early elementary school, tailored to your child's learning level.

• Count to 10 and name shapes.
• Count to 20 and add & subtract numbers within 5.
• Order numbers up to 20, add & subtract numbers within 10, and tell time.
• Understand place values of two-digit numbers and identify attributes of shapes.
• Add & subtract numbers within 20 and divide shapes equally.
• Understand place values of three-digit numbers, measure length with a ruler, and graph data.
• Express three-digit numbers as the sum of hundreds, tens, and ones, add & subtract two-digit numbers, and learn how to multiply.
• Learn about division, fractions, and explore the aspects of 3D shapes, such as faces, edges, and vertices.

Comprehensive Basic Math Lessons

View Curriculum