Year 2 Lesson Plan 8 - Working with Venn diagrams

  1. (5 min) Mental Math
    1. Take 50% of 150, then add 10 [85]
    2. Take 1/3 of 90, then subtract 5 [25]
    3. Take 25% of 40, then multiply by 2 [20]
    4. If 100% of 20 is 20, what is 200% of 20? [40]
    5. What is 1/5 of 100? [20]
  2. (5 min) Review of selected problems from lesson 7 (no more than 3 problems)

  3. (10 min) Pass out the Venn diagram handout and use it in the following discussions:
    • Discuss interpreting Venn diagrams
    • Discuss making Venn diagrams from a data set description
  4. (Remainder of class) In-class exercise
  5. Hand out homework as students successfully complete the in-class exercise.