Lesson 2

Birth Months

Est. Class Sessions: 2

Daily Practice and Problems

Teacher Notes
X

Have connecting cubes readily available.

Remind students that a sum is the answer to an addition problem.

Possible responses:

  1. 5 + 5 = 10; 7 + 3 = 10
  2. 6 + 6 = 12; 10 + 2 = 12
  3. 9 + 8 = 17; 10 + 7 = 17

E. Number Sentences

Write two addition number sentences with the sum of:

  1. ten

    ____________________   ____________________
  2. twelve

    ____________________   ____________________
  3. seventeen

    ____________________   ____________________