Maths Challenge
Maths challenge.net: Problem Solving Database
Need some challenging problem-solving work for your students in the following areas: Discrete, Geometry, Numbers, and Code Breaking? This is the place for an enormous database of problems aimed at high school age students. They are...
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Northpole: Santa's Classroom
Visit Santa's classroom where you will find fun-filled and engaging activities, printable worksheets, interactive games, and more. A great resource for parents and teachers.