  ## Operations and Algebraic Thinking

Represent and solve problems involving addition and subtraction within 20. ###### 2.1.A.1    ## Addition and Subtraction Word Problems

Represent and solve problems involving addition and subtraction within 20.

## Addition and Subtraction Word Problems ###### 2.1.A.1    ## Adding and Subtracting within 20

(1) Represent and solve problems involving addition and subtraction within 20. (2) Understand and apply properties of operations and the relationship between addition and subtraction.

## Adding and Subtracting within 20 ###### 2.1.A.1-2    ## Number Sentences

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

## Number Sentences ###### 2.1.A.2    ## Properties of Operations

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

## Properties of Operations ###### 2.1.A.2    ## Counting to 120

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

## Counting to 120 ###### 1.1.B.1    Use place value concepts and properties of operations to add and subtract within 100. ###### 1.1.B.3    ## Subtract Multiples of 10

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

## Subtract Multiples of 10 ###### 1.1.B.3    ## Tens & Ones

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

## Tens & Ones ###### 1.1.B.2    ## Mental Math

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

## Mental Math ###### 1.1.B.3    ## Comparing Numbers

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

## Comparing Numbers ###### 1.1.B.2    ## Ordering Objects by Length

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

## Ordering Objects by Length ###### 4.1.A.1    ## Tell and Write Time

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

## Tell and Write Time ###### 4.1.A.2    ## Interpreting Data

Represent and interpret data using tables/charts.

## Interpreting Data ###### 4.1.A.4    ## Length of an Object

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

## Length of an Object ###### 4.1.A.1    ## Partitioning Into Equal Shares

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

## Partitioning Into Equal Shares ###### 3.1.A.2    ## Composite Shapes

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

## Composite Shapes ###### 3.1.A.1    ## Shape Attributes

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

## Shape Attributes ###### 3.1.A.1     