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# Counting and Cardinality Activities

## Pre-Kindergarten

PK.CC.1

Count to 10

Recite numbers in order 1-20 (rote counting).

PK.CC.2

Numbers Before and After

In the sequence of 1-10, understand that numbers come "before" or "after" one another.

PK.CC.3

Match Numbers to Groups

Represent a number of objects with a written numeral 0-10 (with 0 representing a count of no objects).

PK.CC.4.a

Count Objects

Demonstrate 1:1 correspondence by counting sets of up to 10 objects, regardless of configuration (i.e. line, stack, array, scattered).

PK.CC.5

Count How Many

Count 0 - 10 objects.

PK.CC.6

More or Less?

Use comparative language such as more/less than, equal to, to compare and describe collections of objects.

PK.CC.7

Match More Numbers

Understand the relationship between quantities and written numerals (1 - 10).

## Kindergarten

K.CC.1

Count to 100

Count to 100 by ones and by tens.

K.CC.2

Let's Count

Count forward beginning from a given number within the known sequence (instead of having to begin at 1).

K.CC.3

Let's Write Numbers

Write numbers from 0 to 20. Represent a number of objects with a written numeral 0-20 (with 0 representing a count of no objects).

K.CC.4.a

Count Objects

When counting objects, say the number names in the standard order, pairing each object with one and only one number name and each number name with one and only one object.

K.CC.4.b

Count Objects

Understand that the last number name said tells the number of objects counted. The number of objects is the same regardless of their arrangement or the order in which they were counted.

K.CC.4.c

Understand that each successive number name refers to a quantity that is one larger.

K.CC.5

Count How Many

Count to answer "how many?" questions about as many as 20 things arranged in a line, a rectangular array, or a circle, or as many as 10 things in a scattered configuration; given a number from 1-20, count out that many objects.

K.CC.6

More or Less?

Identify whether the number of objects in one group is greater than, less than, or equal to the number of objects in another group, e.g., by using matching and counting strategies.