# Sorting Disjoint Sets and Intersecting Sets

## Task 1

- Sort the objects into groups.
- Explain what you are doing.
- Put yarn around the groups and explain how you decide to put the yarn.
*Response*- Sorts objects into groups according to one property for each object (all yellow, all blue… or squares, circles…). Uses the category of "other".
- Sorts objects into groups according to two properties for one object (big squares, little squares…).

## Task 2

- Sort the objects another way?
- Put yarn around two categories that are completely different
- Response
- Sorts objects into unique groups.
- Sorts objects by one property (color).
- Sorts objects by two properties (color and shape).
- Sorts objects by three properties (color, shape, size).

## Task 3

- Form the yarn so that there are two circles that overlap.
- Put an object in one of the circles.
- Put another object into the other circle.
- Can you find something that could fit in both circles.
- If so, where would it go?
- If not, can you change the groups so they could.

## Response

- Sorts objects into unique groups.
- Identifies objects by using more than one property.
- Sorts objects by using more than one property.
- Sorts objects by using intersecting groups.

## Tasks Summary

- Can sort by one property
- Can sort by two properties.
- Can sort by three properties.
- Can represent disjoint groups.
- Can represent groups that intersect.