## Adding Three Whole Numbers

Represent and solve problems involving addition and subtraction within 20.

## Addition and Subtraction Word Problems

Represent and solve problems involving addition and subtraction within 20.

## 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.

## Number Sentences

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

## Properties of Operations

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

## Counting to 120

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

## Adding Within 100

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

## Subtract Multiples of 10

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

## Tens & Ones

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

## Mental Math

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

## Comparing Numbers

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

## Ordering Objects by Length

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

## Tell and Write Time

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

## Interpreting Data

Represent and interpret data using tables/charts.

## Length of an Object

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

## Partitioning Into Equal Shares

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

## Composite Shapes

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

## Shape Attributes

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