2. Write down Homework

3. Take out homework (pg. 5)Warm UP Write the numbers greatest to least 12.07, 12.712, and 12.042 5.678, 5.07, 5.89

4. Corny Joke of the Day What did the baby light bulb say to the mama light bulb? “I love you watts and watts”

5. Attention Attention! Next Quiz (checkpoint)- this Friday

6. Must fill out form and get parent signature Reteach August 29th Retest August 31st

7. Homework Answers Pick 5

8. Partner Work Worksheet Pg. 15 Chage yesterday’s TOC Page To 1-3

9. Table of Contents Unit #: 2 Unit: Decimals Date: 8/23 Section: 3-2 Title: Estimating decimals Page:4 & 5

10. Unit 2 Decimals

11. Review 13.456 What place value is 4 in?

12. 1. Remember… Underline the place value (if given) Look at the number to the right 5 and up round up, 4 and down round down

13. 2. Word Problems a. Nancy wants to cycle, ice skate, and water ski for 30 minutes each. About how many calories will she burn in all? (Cycling = 165.5 calories, ice skating = 177.5 calories, and water skiing = 171.5 calories) What makes this problem estimation?

14. The addends cluster around 170. To estimate the total number of calories, round each addend to 170. Add. b. Nancy wants to cycle, ice skate, and water ski for 30 minutes each. About how many calories will she burn in all? (Cycling = 165.5 calories, ice skating = 177.5 calories, and water skiing = 171.5 calories) Step 1: Highlight/underline the question 165.5 170 177.5 170 171.5 + 170 510 Nancy burns about 510 calories.

15. The addends cluster around 190. To estimate the total number of calories, round each addend to 190. Add. You Try! Michael wants to run, roller skate, and snow ski for 60 minutes each. About how many calories will he burn in all? (Running = 185.5 calories, roller skating = 189.5 calories, and snow skiing = 191.5 calories) 185.5 190 189.5 190 191.5 + 190 570 Abner burns about 570 calories.

16. – 0.2683 –0.3 Round to the nearest whole number. The sum is about 12. Round to the tenths. Align. Subtract. 3. Rounding sums & differeces Estimate by rounding to the indicated place value. 7.13 + 4.68; ones B. 9.705 – 0.2683; tenths 7.13 + 4.68 7 + 5 = 12 9.705 9.7 9.4

17. –0.4619 –0.5 Round to the nearest whole number. The sum is about 10. Round to the tenths. Align. Subtract. You Try! Estimate by rounding to the indicated place value. C. 6.09 + 3.72; ones D. 8.898 – 0.4619; tenths 6.09 + 3.72 6 + 4 = 10 8.898 8.9 8.4

18. 4. New Vocabulary Compatible Numbers: Example: 26.45 and 4.6 What PLACE VALUE WOULD I WANT TO ROUND TO?

19. 5. Rounding with products & quotients Estimate each product and quotient A. 33.83 1.98 B 72.77 ÷ 26.14

20. Worktime Double Sided Worksheet