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Jaloux des multiplications

S1 E19
·
2016

Here's an ancient math trick that uses a louvered window to multiply double-digit numbers. The mystery is downright simple!

Levels:
Elementary Grade 4 Grade 5 Grade 6
Subjects:
Mathematics Number
Skills:
Communication Critical Thinking Problem Solving
Levels:
Elementary Grade 4 Grade 5 Grade 6
Subjects:
Mathematics Number
Skills:
Communication Critical Thinking Problem Solving