Pennsylvania Core Standards in Mathematics — Grade K

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CC.2.1.K.A.1

Know number names and write and recite the count sequence.

CC.2.1.K.A.2

Apply one-to-one correspondence to count the number of objects.

CC.2.1.K.A.3

Apply the concept of magnitude to compare numbers and quantities.

CC.2.1.K.B.1

Use place value to compose and decompose numbers within 19.

CC.2.2.K.A.1

Extend the concepts of putting together and taking apart to add and subtract within 10.

CC.2.3.K.A.1

Identify and describe two- and three dimensional shapes.

CC.2.3.K.A.2

Analyze, compare, create, and compose two- and three-dimensional shapes.

CC.2.4.K.A.1

Describe and compare attributes of length, area, weight, and capacity of everyday objects.

CC.2.4.K.A.4

Classify objects and count the number of objects in each category.