Number of websites that can be used to prepare for the STEP:
https://plus.maths.org/content/
https://www.admissionstesting.org/for-test-takers/step/preparing-for-step/
https://undergroundmathematics.org/
https://artofproblemsolving.com/online
Number of websites that can be used to prepare for the STEP:
https://plus.maths.org/content/
https://www.admissionstesting.org/for-test-takers/step/preparing-for-step/
https://undergroundmathematics.org/
https://artofproblemsolving.com/online