# Pennsylvania - Grade 1 - Math - Operations and Algebraic Thinking - Properties of Operations - 2.1.A.2

### Description

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

### Additional Info

• State - Pennsylvania
• Standard ID - 2.1.A.2
• Subjects - Math Common Core
• Grade - 1

### Keywords

• Math
• Pennsylvania grade 1
• Operations and Algebraic Thinking

## More Pennsylvania Topics

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

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

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

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

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

## Here is the skill that Pennsylvania requires you to master

• Grade Level 1
• State Test Pennsylvania System of School Assessment (PSSA)
• State Standards Pennsylvania Core Standards
• Subject Math
• Topic Name Properties of Operations
• Standard ID 2.1.A.2
• Description
Understand and apply properties of operations and the relationship between addition and subtraction.

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