Lesson 2

Rule Machines

Est. Class Sessions: 2

Daily Practice and Problems

Teacher Notes
X

Illustrate the problems on the board if necessary. Students will need number lines and 200 Charts readily available.

  1. 45 cc
  2. 16 cc
    Possible respsonse: 81 − 65 = 16

G. Volume

  1. Luis filled a graduated cylinder with 47 cc of water. When he put a marker into the cylinder, the level of the water rose to 92 cc. What is the volume of the marker?

  2. Nisha read the scale on a graduated cylinder that contained water and an eraser. The reading showed
    81 cc. When she removed the eraser, the volume of the water was 65 cc. What is the volume of the eraser? How do you know?