1. Brain Warm-Up  Round the following decimals to the specified place value. Nearest tenth 1.) 5.921 2.) 9.243.) 0.823 Nearest hundredth 4.) 6.824 5.) 0.9726.) 3.1

2. Estimating Decimal Products and Quotients November 4, 2011 Ms. Latimer

3. Vocabulary Compatible – What are reasons that would cause someone to estimate instead of just solving a problem?

4. To estimate products or quotients, we will use rounding.  Examples: 1.) Estimate 38.9 x 11 2.) Estimate 492.1 ÷ 21 3.) Would an answer of 12.3 be a reasonable answer for #2?

5. Skill Practice: Skill Practice: 1.) Estimate 7.284 x 48 2.) Estimate 26.96 ÷ 9 3.) Use estimation to check that the calculation 29 x 151.8 = 4,402.2 is reasonable. 4.) Use estimation to check that the calculation 78.39 ÷ 8 = 37.61 is reasonable.

6. Practice  PB pg 47 #5-13 –Make an estimate ONLY!!!!!  PB pg 49 #7-18 –Make an estimate ONLY!!!!!

7. Application:  Maria worked quickly through her chapter test and wrote down 352.86 as the answer to her last problem which was 58.81 x 6. Estimate (mentally) to see if you think that her answer is reasonable. Explain your decision.

8. Lata Gata Agendas: Come up with 3 ways that you would use estimation of decimals (multiplying and dividing) in real life. Exit Slip