Amber

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