George thought of it as 27 + ? = 45. Gloria thought of it as 45 - 27 = ? 

Check out the teacher packet for multiple solution paths! 

If your answer does not match our answer, did you

• act it out with manipulatives?
• draw a picture and label it?
• talk in your group?

If your answer does match ours, did you

• explain?
• help anyone in your group?
• talk about what number to write instead of the question mark?