Pennsylvania Core Standards in Mathematics — Grade 1


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CC.2.1.1.B.1

Extend the counting sequence to read and write numerals to represent objects.

CC.2.1.1.B.2

Use place-value concepts to represent amounts of tens and ones and to compare two digit numbers.

CC.2.1.1.B.3

Use place-value concepts and properties of operations to add and subtract within 100.

CC.2.2.1.A.1

Represent and solve problems involving addition and subtraction within 20.

CC.2.2.1.A.2

Understand and apply properties of operations and the relationship between addition and subtraction.

CC.2.3.1.A.1

Compose and distinguish between two- and three dimensional shapes based on their attributes

CC.2.3.1.A.2

Use the understanding of fractions to partition shapes into halves and quarters.

CC.2.4.1.A.1

Order lengths and measure them both indirectly and by repeating length units.

CC.2.4.1.A.2

Tell and write time to the nearest half hour using both analog and digital clocks.

CC.2.4.1.A.4

Represent and interpret data using tables/charts.