Lesson 2

Explore Big Numbers with Base-Ten Hoppers

Est. Class Sessions: 2–3

Daily Practice and Problems

Teacher Notes
X

TIMS Task

  1. 240 hours
  2. 35 days
  3. 1200 minutes
  4. 1800 seconds
  5. 8 weeks
  6. 210 minutes
  7. Possible responses:
    3 × 60 minutes = 180 minutes
    1/2 hour is 30 minutes
    180 + 30 = 210 minutes

H. Trading Times

Use the following information to answer the questions. Check to see if your answers are reasonable.

60 seconds = 1 minute 24 hours = 1 day
60 minutes = 1 hour 7 days = 1 week
  1. 10 days = ? hours
  2. 5 weeks = ? days
  3. 20 hours = ? minutes
  4. 30 minutes = ? seconds
  5. 56 days = ? weeks
  6. 31/2 hours = ? minutes
  7. Show or tell how you solved Question F.