Lesson 6

Two Paper-and-Pencil Methods

Est. Class Sessions: 2

Daily Practice and Problems

Teacher Notes
X

Challenge students to first try to solve the puzzle without using a 200 Chart. Then they use their charts to check their solutions.


  1. 95 − 11 = 84; Responses will vary. One possible response: I counted from 95 and moved up 1 row of 10 to 85; minus 1 is 84.

T. 200 Chart Puzzle

Fill in the missing numbers on this part of the 200 Chart.

  1. Show or tell how to use the 200 Chart to solve the following problem.

    95 − 11 =