Lesson 2

Equivalent Fractions and Ratios

Est. Class Sessions: 3

Daily Practice and Problems

Teacher Notes
X

TIMS Task

Students will need the Multidigit Multiplication Strategies Menu in the Student Guide Reference section.

  1. 219
  2. 390
  3. 6724
  4. 3588
  1. Possible response choosing Question D:
    600 × 6 = 3600
    2 × 6 = 12

    3600 − 12 = 3588
  2. Possible response: I got 6724 and I know 80 × 80 = 6400. 82 × 82 should be more.

F. Multiplication

Solve the following problems using paper and pencil or mental math. Estimate to be sure your answers are reasonable. Use the Multidigit Multiplication Strategies Menu in the Student Guide Reference section.

  1. 73 × 3 =
  2. 65 × 6 =
  3. 82 × 82 =
  4. 598 × 6 =
  1. Choose a problem and show how you solve it using mental math.
  2. Explain how you know your answer to Question C is reasonable.