Lesson 2

Using Averages to Answer Questions

Est. Class Sessions: 2–3

Daily Practice and Problems

Teacher Notes
X

TIMS Bit

  1. Possible response: The shoes will cost about $25.00, so Edward has $5.00 for socks. Since two pairs of socks will only cost $2.50, he has enough money.
  2. $26.45
  3. $1.85
  4. $1.70

G. Purchasing Shoes

Edward is purchasing a pair of shoes for $23.95 and two new pairs of socks at $1.25 each.

  1. How can Edward decide if $30.00 is enough money for the shoes and socks without using paper and pencil?
  2. How much is Edward's purchase without tax?
  3. With tax, Edward owes the sales clerk $28.30. How much was the tax?
  4. If Edward gives the clerk $30.00, how much change should he receive?