Free online maths challenge courses:
Primary (age 9-11): https://bit.ly/primarymathschallenge
Junior (age 10-13): https://bit.ly/ukmtjuniormathschallenge
Intermediate (age 13-16): https://bit.ly/intermediatemathschall...
Senior (age 15-18): https://bit.ly/seniormathschallenge
A lot more courses (many free) at: https://courses.mathsaurus.com/
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