Alternate Addition Strategy: Partial Sums
Lattice Multiplication
Division: Partial Quotients
Just for Fun!: Multiplication-Mayan Math
The following strategy works well with small 2 digit numbers. Beyond that, in my opinion...it gets a bit complicated! However, would be interesting to see if any of your students could analyze this strategy and determine why it actually works!
A Little Strategy Humor
The following video links below provide a little humor. If you don't teach your kids a few correct alternative strategies....they might come up with their own! :-)
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