Lesson 5

Explore Circumference and Diameter

Est. Class Sessions: 4

Daily Practice and Problems

Teacher Notes
X

TIMS Bit

  1. 2
  2. 9
  3. 2
  4. 20
  5. 11
  6. 1/10
  1. Possible response: 1/5 of 25 is 5 so 4/5 of 25 is 4 × 5 or 20.

W. Multiplying Fractions

Use mental math strategies to solve each problem.

  1. 1/3 × 6 =
  2. 3/4 × 12 =
  3. 1/10 × 20 =
  4. 4/5 × 25 =
  5. 33 × 1/3 =
  6. 1/8 × 8/10 =
  1. Explain the strategy you used to solve Question D.