Factor label method practice
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Factor-Label Method Practice. Drill # 13 9/11/2014. Write drill # 13 and the date in your notebook Copy the questions (they are on the right side of the board) Answer 7 minutes, everyone is quiet and in her/his seat. Topic: Factor-Label Method Practice.

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Factor-Label Method Practice

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Factor label method practice

Factor-Label Method Practice


Drill 13 9 11 2014

Drill # 139/11/2014

  • Write drill # 13 and the date in your notebook

  • Copy the questions (they are on the right side of the board)

  • Answer

  • 7 minutes, everyone is quiet and in her/his seat


Topic factor label method practice

Topic: Factor-Label Method Practice

Objective: Students will be able to

  • Apply the factor-label method to change units of measurement

    HW #10: Get worksheet


Equivalence statements

Equivalence statements

English-Metric

Metric-Metric

  • 1 inch = 2.5 cm

  • 1 lb = 0.45 kg

  • 1 mile =1600 m

  • 1 m = 100 cm

  • 1 m = 1000 mm

  • 1 m = 1000 000 μm

  • 1 cm = 10 mm

  • 1 km = 1000 m

  • 1 L = 1000 mL

  • 1 kg = 1000 g


Factor labels

Factor-labels

  • Make a fraction from the equivalence statement

  • One side goes on top of the other

  • There are two factor-labels for each equivalence statement

  • Both equal 1 (one as the number)

  • Example:

    1 inchor2.5 cm

    2.5 cm1 inch


Change the unit

Change the unit

  • Multiply the quantity you know by one of the factor-labels

  • Which one?

  • The one that will help you cancel the unit you are trying to get rid of

  • example

  • 30 inches to cm

  • 30inch x 2.5cm / 1inch

  • 30inch x 2.5cm / 1inch

  • 30 x 2.5 /1 cm = 75 cm


Guided practice 5 problems 20 minutes timed

Guided Practice – 5 problems 20 minutes, timed

  • Work with your group

  • Use inside voices

  • Be nice

  • Ask your teammates for help

  • Use a calculator

  • Solve the problem on the right screen together

  • Everyone writes on her/his own paper

  • Team recorder writes the complete solution on your white board

  • Hold up your board when time is called

  • Make corrections if needed

  • Make sure that everyone in the group understands how to do the problems


Individual practice work quietly for 20 minutes on your own

Individual Practice-Work quietly for 20 minutes on your own

  • Read “Time and Length” section (3-page packet

  • Do not write on the handout (I have to use it again today)

  • Take Cornell notes on your own paper

    • Read one paragraph at a time

    • Write the main idea

    • Include 1-2 details

    • Move to the next paragraph


Factor label method practice

Factor-label

Is same as conversion factor


Did we achieve objectives

Did we achieve objectives?

Objective: Students will be able to

  • Apply the factor-label method to change units of measurement


What s for hw

What’s for HW

You get a second chance to complete the HW from yesterday for full credit

Quiz tomorrow

  • Units of measurement

  • Factor-label conversions


Exit ticket

Exit Ticket

  • ID#, in your seat, and quiet

  • Questions:

  • Convert 75 m to km. Show the factor labels!

  • Convert 48 km to m. Show the factor labels!


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