Sig Fig Math and Measurement

Drill Take out your notes on Sig Fig Math and Measurement Take out book forms Think about how many sig figs are in: 0.0056 1.450 4.02 122100

Agenda Drill Look at HW Question Sig Fig Math Look at HW Questions Measurements Looking Forward

Try On Your Own Answer: 0.021 x 3.23 x 100.1 = 6.789783 6.8

150/4 = 37.5 40

Try On Your Own 23.4 x 0.023 = 0.5382 0.54

123.2599 + 46.09 + 86.257 = 255.6069 255.61

505 - 450.25 = 54.75 55

Try On Your Own 345.980 – 32.1 = 313.88 313.9

Practice In Your Groups Take 12 minutes to complete the 16 problems in the grids that you picked up on your way it! There is a mix of multiplying/dividing and adding/subtracting!!!

Measurement Time! Look @ Your Notes What do we need to end in??

4.50

1.96

Using the correct amount of sig figs, what is the measurement of the nail below: 5.10 cm

29.60

Using the correct amount of sig figs, what is the measurement of the liquid below: 21.5

Remember When making a measurement in the lab, you need to add an estimate digit

Try On Your Own Measure the width of your small whiteboard with the ruler in front of you with correct sig figs Write the answer on your board Measure the volume of liquid in the graduated cylinder

Measurement Mania You will be recording different measurements to the correct number of sig figs in the lab You will have 1 minute at each station You will complete the task under the “Measure the…” column I’ll let you know when to rotate

Looking Forward Monday Tuesday Wednesday Thursday Friday 2 3 Density 4 5 Wrap-Up Review 6 9 Unit 1 Test 10 11 PSAT Day! 12 13 You will get a study guide and review packet next class! 