Lesson 7

Workshop: Place Value Concepts

Est. Class Sessions: 2-3

Daily Practice and Problems

Teacher Notes
X
  1. 4
  2. 3
  3. 9
  4. 3
  5. 4
  6. 5
  7. 7
  8. 7
  9. 7
  10. 4

K. Possible response: I know 8 + 8 = 16 so one less is 15. 8 + 7 = 15

Ongoing Assessment

Use DPP item V to assess students' abilities to determine the unknown number in an addition or subtraction sentence relating three whole numbers for the facts in Groups C and D [E11].

See the Letter Home for targeted practice ideas.

V. Related Subtraction Facts

  1. + 6 = 10
  2. + 7 = 10
  3. 2 + = 11
  4. 8 + = 11
  5. 7 + = 11
  6. + 6 = 11
  7. 6 + = 13
  8. 8 + = 15
  9. 7 + = 14
  10. 3 + = 7

K. Show or tell how you solved Question H.