February 29, 2016 February 29, 2016 Warm-Up:. February 29, 2016 February 29, 2016 New Seats!

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Presentation transcript:

February 29, 2016 February 29, 2016 Warm-Up:

February 29, 2016 February 29, 2016 New Seats!

Homework Worksheet 3.4 Show your work!

Test Correction Procedures On a separate sheet of paper… 1) Write your name at the top. 2) Write the incorrect answer you put on your test for the problem that you got wrong. 3) Write the correct answer for that problem. Be sure to label it as the correct answer. 4) Write a sentence stating why you got the problem wrong. When you are finished making corrections, staple the sheet with corrections to the FRONT of your test and give it to the teacher.

Objective SWBAT calculate percent change by using proportions or equations. Write down the objective in your math journal in your own words.

Set up and solve a proportion or equation for each of the following: LESSON WARM UP a) What percent of 24 is 15? b) 27 is 90% of what number? 62.5% 30

Find the percent change from 12 to 15 EXAMPLE Increasing or Decreasing? By how much? What is the original number?

Find the percent change from 25 to 21 YOU TRY! Increasing or Decreasing? By how much? What is the original number?

Find the percent change from 10 to 8 ONE MORE TIME.. Increasing or Decreasing? By how much? What is the original number?

Expectations: Remember: -Help out your team mates. (be observant) -Ask clarifying questions “How did you..” -Keep your conversations at your team I am listening for supportive math dialogue from your teams.

3.4T Activity Remember: by the end of class you should be able to calculate percent change by using proportions or equations.

Identify the percent of change as an increase or a decrease. Find the percent of change. Round percents to the nearest whole percent. a) 4 to 5 b) 20 to 16 c) 12 to 6 Exit Task

Discuss with your group: Would you rather solve a percent problem using a proportion or the percent equation? Why? Be prepared to share your answers with the class! Communication Prompt