Applied Mathematics Upgrades
The Great American Math Factory helps teachers of the original C.O.R.D.® booklets.
Unit 2 -- Estimating Answers 
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C.O.R.D.® Objectives     
   1.  Make rough estimates.  
   2.  Round and truncate whole numbers to a given number of digits.
   3.  Round and truncate decimal numbers to a given number of digits.   
   4.  Estimate answers to problems that involve several steps.
   5.  Check the answers to problems to make sure they are reasonable.

   

1.  Make rough estimates.
2.  Round and truncate whole numbers....
3.  Round and truncate decimal numbers....
4.  Estimate answers to problems that involve several steps.

5.  Check the answers to problems to make sure they are reasonable.

 

The Ultimate Quiz ...................................................................................... 1*

Riddle:  This Happened Only Seven Times in the 20th Century ...... 2

Sort It Out! A Whole-class Activity .................................................... 3-6

Answer A if the quantity in Column A is Greater ............................... 7*

Use No Pencil, Paper or Calculator. ....................................................... 8*

SHAQ #1  Two Students were trying to answer..................................... 9

SHAQ #2  You are mixing up cookie dough.... ..................................... 10

Lab Activity 2, revised:  The Phone Book ............................................. 11

Extra Lab Activities 1:  Dimples on a Basketball ................................ 12

  
   

* Master for Overhead Transparency
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