2018 Numerical Acumen Competition C has ended

Download certificates from the 2018 Numerical Acumen Competition C page (if your students participated).

2018 Numerical Acumen Competition B has ended

Download certificates from the 2018 Numerical Acumen Competition B page (if your students participated).

2018 Numerical Acumen Competition A has ended

Download certificates from the 2018 Numerical Acumen Competition A page (if your students participated).

Help videos for teachers

Watch six short videos that explain the basics of getting started.
Also watch addition strategy videos and multiplication strategy videos.

Meet the Challenge Ambassadors

Meet the ambassadors and see what they have to say.