Lesson 6

Classifying Shapes

Est. Class Sessions: 2–3

Daily Practice and Problems

Teacher Notes
X

TIMS Bit

  1. 952
  2. 3311
  3. 1904
  4. Possible response: I multiplied 40 × 80 and the answer was 3200. Since 3200 is very close to 3311, I know my answer is reasonable.

S. Multiplication Practice

Solve. Use the Multidigit Multiplication Strategies Menu in the Student Guide Reference section.

  1. 17 × 56
  2. 43 × 77
  3. 34 × 56
  4. Use estimation to show that your answer for Question B is reasonable.