Lesson 2

Counting by Fives

Est. Class Sessions: 2–3

Daily Practice and Problems

Teacher Notes
X

  1. October 7th; 3 + 4 = 7 Strategies will vary. Possible response:

  2. October 17th; 13 + 4 = 17, Strategies will vary. Possible response:


    3. Ongoing Assessment

    Use DPP item E to assess students’ abilities to solve addition word problems involving two whole numbers whose sum is less than 20 using tools [E7].

E. Did You Check the Mail?

Show how to solve each problem. Include a number sentence.

  1. Chris mailed her letter on October 3. It took four days to get
    to Tony. When did it arrive?
  2. Carlos mailed a letter to his grandma on October 13. It took
    four days to get to his grandma. When did it arrive?