2. 10987654321 9 / 10 Place Value ANALYZE the following number: 3,245.890 a.What number is in the hundreds place?? b.What number is in the hundredths place? c.What number is in the tens place? d.What number is in the thousandths place? 3,245.890 Leave all contracts out to be collected. Leave the Syllabus Quiz and Webquest out to be checked.

3. Place Value

4. Graduations 1 mL2 mL0.2 mL0.5 mL

5. Estimating with Instruments We can estimate to one significant figure between the lines on the instrument 6.35 cm

6. 12.4 mL Reading a Meniscus We can estimate to one significant figure between the lines on the instrument

7. Estimating with Instruments Read the volume in this graduated cylinder to the correct number of sig. figs. 6.65 mL

8. Reading a Meniscus 25.1mL36.8 mL5.46 mL14.8 mL

9. Reading a Meniscus Correctly Looking down gives a high reading Looking up gives a low reading Eye-level gives correct reading

10. 10987654321

12. Accurate vs. Precise Read the volume in this graduated cylinder as accurately as possible. a)28 mL b)29 mL c)28.5 mL d)28.4 mL e)28.40 mL

13. Accurate vs. Precise Read the volume in this graduated cylinder as accurately as possible. a)35 mL b)35.7 mL c)37 mL d)37.01 mL e)37.0 mL