Build your math skill

Solve math faster.

Learn one shortcut at a time on YouTube, then practice it here with 10 fresh problems every day, built for SAT® and ACT® math.

This week's challenge closes T−0d 00h 00m

How it works

Watch, practice, improve

  1. 1

    Watch the trick

    Each Short shows one test-style problem, pauses so you can try it, then shows the fast way.

  2. 2

    Practice daily

    Ten problems a day, the same set for everyone, with the trick shown after each answer.

  3. 3

    Take the weekly

    Ten harder problems each week. Post your result code under our latest YouTube Short.

Your orbit

From test day to beyond Earth

Three series. Start with the test, then keep climbing.

  1. 1

    SAT Elite

    Fast tricks for top SAT® and ACT® math scores, plus a free weekly challenge.

  2. 2

    Elite Math

    Beyond the test: precalculus, calculus and competition problems.

  3. 3

    Satellite Math

    Beyond Earth: the math behind orbits, rockets and the real world. Coming later.

Daily practice

Ten problems. Every day. Same for everyone.

Linear equations, percents, slopes, systems, ratios and functions, the topics that show up most on SAT® and ACT® math. Answer each problem, then see the shortcut.

  • Problems10 multiple choice
  • TimeAbout 5 minutes
  • New setEvery midnight, Pacific Time

Weekly challenge · this week

Put your skill to the test.

Ten harder problems with no hints until the end. Everyone gets the same set all week, so scores compare fairly. Warm up with daily practice first.

  • Problems10, harder than daily
  • Closes inT−0d 00h 00m
  1. Finish the challenge to get your result code.
  2. Post the code in the comments of our latest YouTube Short.
  3. Compare your score with other viewers.

On YouTube

One problem. One trick. About a minute.

A new Short every day at 2 pm Pacific: SAT Elite from Sunday to Friday, Elite Math on Saturdays. One problem, one shortcut you can use on test day.

SAT Elite · Sunday to Friday

  • Quadratics: sum of solutions = −b ÷ a
  • Percents: multiply the multipliers
  • Systems: add the equations
  • Lines: slope = −A ÷ B
  • Averages: use totals
  • Parabolas: vertex x = −b ÷ (2a)
  • Exponents: split the exponent
  • Quadratics: count solutions with b² − 4ac

More tricks on YouTube.

Elite Math · Saturdays

  • Functions: check both ends
  • Polynomials: plug in 1
  • Inverses: what input gives 7?

Calculus and competition tricks are on the way.

Satellite Math · coming later

Orbits, rockets and the math of space.