Mental Math Attack 20

Free mental math game

Mental Math Practice for Kids

A quick browser game for practicing addition, subtraction, multiplication, and arithmetic fluency.

Build arithmetic fluency

The normal mode focuses on one-digit addition, subtraction, and multiplication for quick repetition.

Practice at a comfortable pace

Kids can use practice mode repeatedly before trying the once-per-day challenge.

Compete with family or friends

Rankings and groups make it easy to compare times in a friendly way.

Start a 20-question mental math challenge

Play instantly in your browser on mobile or desktop.

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