Lesson 3

Estimate Products

Est. Class Sessions: 3

Daily Practice and Problems

Teacher Notes
X

TIMS Task

  1. 780, 790, 800, 900, 1000
    1. Answers will vary. Possible response:

    2. 710
    3. Answers will vary. Possible response:
      485 + 10 + 5 + 100 + 100 + 10 = 710
    1. Answers will vary. Possible response:

    2. 1581
    3. Answers will vary. Possible response:
      2000 − 400 − 10 − 9 = 1581

N. Big Hops

  1. Fill in the blanks to show where the hopper lands.

    1. Show how a base-ten hopper can start at 485 and move forward 225.
    2. Where does it land?
    3. Write a number sentence that shows how the hopper moved.
    1. Show how a base-ten hopper can start at 2000 and move back 419.
    2. Where does it land?
    3. Write a number sentence that shows how the hopper moved.