• Students will add two digit numbers with regrouping

Activity

• Provide students with two collections each with between 12 and 27 items.

• Have the students create, through writing and/or drawing, a story problem about their collections.

• Encourage students to share their story problems with their classmates and try to solve each other's problems.

Assessment Tips from Old Tom the Turtle

• Observe students as they work.

• Do they:
  
  Write combining stories?
  
  Use appropriate mathematical language?

• The collected story problems can also be used to assess students understanding of the concept of regrouping.