2.3: More about Sets

You will need: Scissors, A-Blocks (Material Cards 2A-2E), a large Poster with a three set Venn diagram drawn on it. If you don’t have a poster, look at the diagram to the left. The dashes indicate where you can tape four sheets of paper or card stock (or two open file folders) together and then draw a big three set Venn diagram. Now that you’ve mastered shading Venn diagrams (don’t laugh), it’s time to get out your Set of A-blocks (which include the white value label cards). Each circle represents a set and we’ll be labeling each circle with different value label cards (the white cards in each set of A-blocks) in the various exercises.Exercise 1Start by choosing a value (a particular color, shape or size). Put its value label card - Red, Blue, Green, Yellow, Triangle, sQuare, Circle, Small or Large on one of the circles (representing a set) on the Venn diagram. Place all the A-blocks having that value (e.g., all squares) in that circle. Leave those pieces there. Now choose another valu...