Any collection grouped in a meaningful way.
What is a set?
The understanding of number
What is numerosity?
A telephone number
What is "Not a mathematical number"?
A street address
What is not mathematical?
What a child does when she finds something "just like mine".
What is matching.
To know that a collection of three remains three no matter how you group the objects.
What is numerosity or number sense?
1st, 2nd, 3rd, 4th
What is an ordinal number?
What to say to a child after they have sorted a collection of things
What is "Is there another way to sort these?"
The word used for breaking a set into smaller sets.
What is sorting?
How children connect numbers to quantity.
What is number sense?
What we call a defined sequence of counting.
What is stable order?
What we have to do before we can compare and order sets.
What is separate into sets?
This is what all math should start with.
What is a question?
The ability to instantly recognize the number in a set of dots.
What is subitize?
One number defined for each object.
What is one-to-one correspondence?
What we can use to show children about counting to tens.
What is a tens rack?
What we call the way by which we sort sets.
What are attributes?
The concept in math that answers "how many".
What is cardinality?
Typical error a child will make when they do not completely understand counting.
Point to the same object more than once, miss counting an object, or point and say the wrong number
What we can do with sets after we have separated them into subsets.
What is compare, order, and count?