Homework for Oct. 21 2010

Go over the quiz with your parents.

Estimating Quiz

1. _______________ is to approximate an answer.

2. _______________ is an estimate that is larger than the actual answer.

3. _______________ is an estimate that is smaller than the actual answer.

4. Use front end estimation to place the decimal in the correct place. Show your thinking.
2.63 + 9.05 + 7.92 = 196

5. Use relative size estimation to place the decimal in the correct place. Show your thinking.
857.643 – 349.832 = 5078110


HW - in your homework book do pages 14 – 17.