Across
- 3. a set with no members
- 5. the understanding that one group has the same amount as another
- 6. the understanding how numbers work
- 7. two or more objects that are alike
- 8. attaching numbers to a series of objects
- 9. a set of activities to determine skills
Down
- 1. understanding the last number of a sequence tells how many objects exist in a set
- 2. geometric shapes used to teach shape concepts
- 4. refers to the position of people relative to object
- 6. symbols that represent numbers