Lesson 2

Circle Pieces: Red, Pink, Yellow, Blue

Est. Class Sessions: 3

Daily Practice and Problems

Teacher Notes
X

TIMS Task

Ask students to use the Addition Strategies Menu and Subtraction Strategies Menu as they solve these problems.

  1. 324
  2. 472
  3. 9546
  4. 30
  1. Possible response: I thought of a number line. I know that if I start at 3975 and jump to 4000 that is 25. Then I jump 5 more and it is 30.

F. Addition and Subtraction

Use the Addition Strategies Menu and the Subtraction Strategies Menu. Choose a method and solve the following problems.

  1. Show or tell how to solve Question D using mental math.