Teachers, save “Elmer's Multiplication Problem” to assign it to your class.

Page 1: Look carefully at Elmer's multiplication problem on page 1 of the template. Page 2: Use estimation to explain why Elmer’s answer is not reasonable. Page 3: What error do you think Elmer made? Why do you think he made that error? Page 4: Find 179 × 64 using a correct version of Elmer's method. Page 5: Show another strategy to solve this problem that can help Elmer see why your answer is correct.