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Ray's Arithmetic: Update Jan. 2018

Hello, and Happy New Year, fans of Ray’s Arithmetic!  I hope your Twenty Eighteen is going well for you.  (Too early to tell?)

As we embark on another twelve months together, I wanted to let you know that, (a), the periodic free video lessons on… 299 more words

Arithmetic

LESSON XLIII

MULTIPLICATION.

Multiplication with the number FIVE.

Arithmetic