Test Subscriptions

Number Sense Challenge

Each quarter we run a 10-week Number Sense Challenge where students take a Number Sense test and then our staff presents a lesson covering material from that week's test. Click here to sign up for an upcoming challenge or purchase previous tests.

Relay Challenge

Each school year we run a 30-week Relay Challenge where participants receive a new set of Relay questions each week and have the opportunity to take each test competitively prior to release of the tests. Click here to sign up for an upcoming challenge or purchase previous tests.