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These are among the hallmarks of dyscalculia (pronounced dis-kal-KYOO-lee-uh), a learning disorder that hinders students’ ability in math, as they were observed in the classroom by long-time teachers.

In his book The Mathematical Universe, mathematician William Dunham wrote of John Venn’s namesake legacy, the Venn diagram, “No one in the long history of mathematics ever became better known ...

Join Tad and Lily a they blast off on an exciting educational adventure Tad and Lily need the perfect collection of things to take to school for their math assignment When they finally decide on ...