Free interactive math practice with instant feedback. Random questions, smart hints, and step-by-step solutions help you truly understand.
One-step equations, two-step equations, distributive property, combining like terms
Simplifying fractions, adding and subtracting fractions with different denominators
Finding percent of a number, percent increase and decrease calculations
Area of rectangles and triangles, perimeter calculations
Unlike typical worksheets or video lessons, DeltaMath.cc is an interactive learning system that teaches through practice. Here's what makes it different:
Every question uses different numbers. You can't memorize answers — you learn the actual method.
We don't just say "wrong." We detect your specific mistake and explain what went wrong.
Stuck? Get hints that guide you through the problem without giving away the answer.
See your correct answers, mistakes, and streaks as you practice.
Research shows that active problem-solving is far more effective than passive learning. When you work through problems yourself — making mistakes and learning from them — you build real understanding that sticks.
DeltaMath.cc generates unlimited practice problems with intelligent feedback that helps you learn from every attempt. Whether you're preparing for a test, catching up on missed concepts, or getting ahead, regular practice is the key to math success.
Ready to improve your math skills? Pick any topic above and start practicing immediately — no signup required. Each problem is randomly generated, so you'll never run out of practice material.
Learn more about how to use DeltaMath.cc effectively →
DeltaMath.cc is a free resource you can recommend to students for extra practice. Our intelligent feedback system guides students through common mistakes, reducing the need for one-on-one explanations.