Math With Mr DJ

Free math videos & daily puzzles

Math With Mr DJ Math that clicks.

Step-by-step lessons on fractions, decimals, algebra, geometry and more — plus daily math puzzles and free worksheets with answer keys.

Watch on YouTube Play today's puzzles
Mr DJ, a cartoon math teacher, pointing at you

Latest videos

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Jump to a topic: Fractions Decimals Equations Angles Square roots Surface area

New every day at midnight Pacific

Daily math puzzles

Six free puzzles a day — two mild 🌶️, two medium 🌶️🌶️, two spicy 🌶️🌶️🌶️. No sign-up needed. Race the clock, build a streak, and climb the leaderboard.

  • Cage Grid Fill the grid so every cage hits its number.
  • Target Combine the numbers to hit the target exactly.
  • Equation Guess Crack the hidden equation in six guesses.
  • Sudoku Every row, column and box gets each number once.
  • Area Blocks Split the grid into rectangles that match their areas.
  • Shape Scales Balance the scales to find what each shape weighs.
Play today's puzzles →
Mr DJ thinking hard about a puzzle

For teachers & parents

Free worksheets with answer keys

114 ready-to-teach topics for grades 5–8: practice worksheets, homework, exit tickets, step-by-step answer keys, and editable lesson slides. Printable, free, and no sign-up needed.

Grade 5 Grade 6 Grade 7 Grade 8 K–4Coming soon
Browse all worksheets →
Mr DJ giving a thumbs up

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New videos, puzzle features, and free math resources — about once a month. No spam, ever.