Lesson 5

Button Solutions

Est. Class Sessions: 2

Daily Practice and Problems

Teacher Notes
X
  1. I know 5 + 5 = 10 and 5 + 6 is one more or 11.
  2. 7 + 3 = 10 and 7 + 4 is one more or 11.
  3. 4 + 6 = 10 and 3 + 6 = 9 or one less.

Ongoing Assessment

Use DPP item R to assess students’ strategies with the addition facts with sums more than 10 in Group C [E12].

R. Use Other Facts

Look at each pair of facts. Show or tell how you can use one fact to solve another. Use cubes, number lines, or ten frames.

  1.    5 + 5     5 + 6

  2.    7 + 3     7 + 4

  3.    4 + 6     3 + 6