Lesson 6

Workshop: Addition

Est. Class Sessions: 2–3

Daily Practice and Problems

Teacher Notes
X

TIMS Bit

Refer students to the Addition Strategies Menu in the Reference section of the Student Guide. Students may need base-ten pieces.

  1. 103
  2. 92
  3. 104
  4. 146
  1. Possible response: Since 89 is close to 90 and 57 is close to 60, I estimate the answer by adding 90 + 60. The answer was 150. That is close to 146, so I know my answer is reasonable.

CC. Addition

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

  1. Explain how you know that your answer to Question D is reasonable.