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### CC.2.1.1 Numbers and Operations

- CC.2.1.1.B Number & Operations in Base Ten
- 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 Algebraic Concepts

- CC.2.2.1.A Operations and Algebraic Thinking
- 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 Geometry

- CC.2.3.1.A Geometry
- 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 Measurement, Data, and Probability

- CC.2.4.1.A Measurement and Data
- 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.