Lesson 1

All Sorts of Buttons

Est. Class Sessions: 2

Daily Practice and Problems

Teacher Notes
X

Be sure to ask student volunteers to demonstrate solutions on both the number line and 200 Chart. Ask them to describe patterns and strategies.

D. Adding Ten

Use a 200 Chart or number line.

  1. 14 + 10 =
  2. 26 + 10 =
  3. 19 + 10 + 10 + 10 =
  4. = 67 + 10 + 10
  5. 15 + 5 + 5 =
  6. = 33 + 10 + 10
  1. 16 + 10 + 10 =
  2. Show or tell how you solved Question F.