Lesson 5

Subtracting Multidigit Numbers

Est. Class Sessions: 3

Daily Practice and Problems

Teacher Notes
X
  1. Possible responses:
    500 − 300 = 200 minutes;
    530 − 290 = 240 minutes
  2. Possible responses:
    1200 + 900 = 2100 minutes;
    1280 + 870 = 2150 minutes

R. Estimate Reading Minutes

Show or tell how you solve each problem. Use the Addition Strategies Menu and the Subtraction Strategies Menu for Larger Numbers in the Student Activity Book Reference section.

  1. Julia read 288 minutes in May. Fern read 531. Estimate how many fewer minutes Julia read than Fern.
  2. Ms. Alfonso's class read 1274 minutes. Mr. Martins's class read 868 minutes. Estimate how many minutes the two classes read in all.