Lesson 3

Multiplication Models and Strategies

Est. Class Sessions: 2

Daily Practice and Problems

Teacher Notes
X

TIMS Bit

  1. 3288
  2. 3439
  3. 4951
  4. 1593
  5. Possible response: I estimated using convenient numbers.
    3200 − 1600 = 1600,
    1600 is close to 1593, my answer.

I. Addition

Solve the following problems. Use the Addition Strategies Menu and the Subtraction Strategies Menu in the Student Guide Reference section.

  1.    3272
    +     16
  2.    3272
    +   167
  3.    3272
    + 1679
  4.    3272
    − 1679
  1. Explain how you know your answer to Question 4 is reasonable.