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Menu
Home
About
5280 Math Resources
Ten Myths
Creative Math Prompts
CMP Content Guide
Ten Plus One: Depth and Complexity
Math Building Blocks
Monthly Problem Sets
Deep Math Projects
Intrepid Math
Deep Algebra Projects
Presentations
Miscellaneous
Other Resources
Classroom Resources
Websites
Books for Teachers
ACCME Books
Factors and Multiples
Numbers and Operations
Fractions
Measurement and Polygons
Ratios, Proportions, and Similarity
Probability and Statistics
Contact
Here is one solution to the Triangle Sums problem: