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Monday, December 15, 2014

CHAPTER 13 QUIZ IS TOMORROW!
You have have to correctly SET-UP and SOLVE 12 problems
Each problem is taken directly from your homework
You will not be allowed to use a calculator - so be ready to do some MATH
Some reminders:

Adding LINE UP DECIMALS - carry as needed

Subtracting LINE UP DECIMALS - borrow as needed

Multiplying COUNT decimal places - multiply like regular numbers

move decimal (right to left) in answer

Dividing Move decimal in DIVISOR to create whole number

Move decimal in DIVIDEND the same amount and bring decimal up to answer.

How to ESTIMATE and TEST in division
When you are estimating how many time one number goes into another - ESTIMATE and TEST

divide 468 by 84

How many times does 84 go into 468 ? Well... 8 x 5 = 40 ... so 80 x 5 = 400

(ESTIMATE)
So put pencil to scratch paper and start there...
84 x 5 = 420 pretty close 84 x 6 = 504 which is to much!!

(TEST)
so use 5 and continue your basic steps (multiply back...subtract...bring down next term)