multiplying by 11

The trick for multiplying by 11:
Step 1: write down the ones digit
Step 2: add the ones and tens digit, write that down
Step 3: add the tens and hundreds digit (if needed)
Continue adding the place digit and the one to its left until you get to the far left place.
Step 4: write down the far left place only.
Carry over as needed

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7th Grade Science Instructor
Kirby World Academy
Wichita Falls, TX

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