Students playing Fraction Ball on a colorful basketball court
Grades 4–5 4.NF / 5.NF aligned UC Irvine research

Fractions click when students move.

Play a two-minute Fraction Ball game and feel how basketball turns abstract fractions into math students say, see, and remember.

  • Evidence-based
  • Every student has a role
  • No math worksheet required

Make It Count

Your court is ready.

Tell us who’s playing, choose your side, and take three shots. Sound on for the full call-and-confirm routine.

Fraction Ball

Make It Count · one of many Fraction Ball games
Jaguars (you)
0
= 0
PossessionJaguars
Rockets
0
= 0
Fourths end Counting on the fraction side
Shoot from
50+schools playing
4peer-reviewed studies
+25percentile-point gain

Evidence, not edutainment

Play built on learning science.

Students using Fraction Ball showed a 25 percentile-point gain in fraction understanding.

The UC Irvine–developed program combines collaborative play, physical movement, and fraction language—helping students connect representations instead of memorizing procedures.

Read the research

Source: Bustamante et al. (2022), Journal of Educational Psychology. Reported gain compared with baseline; see the research summary for study details.

Fraction Ball has been featured in

  • K12 DIVE
  • Psychology Today
  • BROOKINGS
  • Newsweek
  • EdSurge
  • PBS SoCal

Keep the game going

Bring Fraction Ball to your students.

Portable Fraction Ball Classroom Mat

For teachers

Classroom Mat

Portable, classroom-ready, and built for the same Fraction Ball games you just played.

Shop the mat

For school & district leaders

Turn your blacktop into a learning lab.

Bring a professionally painted Fraction Ball court—and its evidence-based curriculum—to your whole school community.

Plan a school court