Lesson 2

Addition Facts I Know

Est. Class Sessions: 1–2

Daily Practice and Problems

Teacher Notes
X

Use this DPP item to practice the addition facts and the related subtraction facts in Groups A and B.

  1. 8 cards; 5 + 3 = 8
  2. 5 cards; 8 − 3 = 5
  3. Responses will vary. I know
    5 + 3 = 8, so
    8 − 3 = 5.

D. Addition and Subtraction Strategies

Solve and write a number sentence.

A.
John has 5 cards. Sam gave him 3 more.

How many cards does John have now?


B.
John has 8 cards. He gave Ann 3.

How many cards does John have now?


C.
How can you use Question A to solve Question B?