Tuesday, October 27, 2015

10/27 Lesson 3.1.1 + Ch. 2 Study Time

1.  Warm-up:  Cecil the tightrope walker has a new routine.  An expression of his routine can be written as:
4 · 2.5 + 1

Draw a diagram of Cecil's routine.  How far will he go?

Challenge:  What is the product (answer to a multiplication problem) of 6 1/3 and 2 1/4?

2.  Lesson 3.1.1 (page 132)  Grouping Expressions
  • Focus questions:
    • How can expressions with the same numbers and operations have different values?
    • Does the order in which we do each operation matter?
  • Problem #1 as a whole-class discussion
  • Problem #2 in teams
3.  Take out your Ch. 2 Study Guide
  • Mini-groups:
    • Simplifying expressions
    • Multiplying fractions using unit rectangle
  • Extra technology practice in Google Classroom