Lesson 4

Big Base-Ten Pieces

Est. Class Sessions: 3

Daily Practice and Problems

Teacher Notes
X

TIMS Task

  1. $203; strategies and methods will vary. One possible strategy:$30 × 7 = $210, $210 − 7 = 203
  2. $84; strategies and methods will vary. One possible method:

L. Ping Pong

The school owns 7 ping pong tables, but the paddles and balls disappeared a long time ago. Mr. Martinez can buy a set of 2 balls, 4 paddles, and one net for $29.

  1. If he wants to buy a set for each table, how much will it cost? Show or tell how you know.
  2. If the 2 balls, 4 paddles, and one net went on sale for $17, how much will Mr. Martinez save compared to the original price? Show or tell how you know.