Lesson 3

Spinning Sums

Est. Class Sessions: 2–3

Daily Practice and Problems

Teacher Notes
X

TIMS Task

Ask a student to show how to solve each problem using the class number line or the 200 Chart.

  1. 35
  2. 55
  3. 25
  4. 65
  5. 90
  6. 22 or 23
  7. 40
  8. 50

J. Where Is 45?

You can use your desk number line or the 200 Chart to help you fill in the blanks.

  1. 45 is ten more than ____________.
  2. 45 is ten less than ____________.
  3. 45 is twenty more than ____________.
  4. 45 is twenty less than ____________.
  5. 45 is half of ____________.
  6. 45 is about twice ____________.
  7. 5 less than 45 is ____________.
  8. 5 more than 45 is ____________.