Lesson 3

Adding Multidigit Numbers

Est. Class Sessions: 2–3

Daily Practice and Problems

Teacher Notes
X

Have base-ten pieces and 200 Charts readily available.

  1. 321
  2. 123
  3. 123 + 321 = 444

J. Numbers

123     321     253     235     132

  1. Which number is the largest? How do you know?
  2. Which number is the smallest? How do you know?
  3. Which two of the numbers can you add together to get a sum of 444?