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Uploaded by r2abraham on Mar 6, 2010
Third of three tutorials for parent and child, using marbles to prepare for soroban concepts. By Ralph Abraham and Hiroko Tojo of the Visual Math Institute.
Education
Standard YouTube License
What a sweet old wise man, thank you, i've been looking all over the youtube for this one.
kingofdice66 1 month ago in playlist soroban tutorial
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What a sweet old wise man, thank you, i've been looking all over the youtube for this one.
kingofdice66 1 month ago in playlist soroban tutorial