Lesson 6

Thinking about Number Sentences

Est. Class Sessions: 2

Daily Practice and Problems

Teacher Notes
X

Use DPP item R to practice the addition facts in Group A and the related subtraction facts.

  1. 3
  2. 1
  3. 4
  4. 2
  5. 6
  6. 2
  1. Adding helps me with subtracting. I know that 2 + 1 = 3, so 3 − 2 = 1.

R. Subtraction Facts

  1. 2 + 1 =
  2. 3 − 2 =
  3. 2 + 2 =
  4. 4 − 2 =
  5. = 4 + 2
  6. = 6 − 4
  1. Tell your neighbor how to use Question A to solve Question B.