Lesson 6

Workshop: Graphs and Averages

Est. Class Sessions: 1–2

Daily Practice and Problems

Teacher Notes
X

TIMS Bit

    1. 176 and 249
    2. 29 and 48
    3. 29 and 176
  2. 176

    Have students share their strategies. Also have students discuss which strategies they think are the most efficient and why. Possible response: I thought 29 and 48 are way too small. 249 is too big because 2 times $2.50 is $5. But $1.75 doubled is $3.50.

W. Which Two Add Up?

  1. 29
  2. 176
  3. 249
  4. 48
  1. Which two of these numbers should you add if you want an answer:
    1. over 400?
    2. less than 100?
    3. close to 200?
  2. Which number, when doubled, will be close to 350? Show or tell how you decided on your answer.