The focus areas of Grade 1 modules address:

Operations and Algebraic Thinking

• Represent and solve problems involving addition and subtraction
• Understand and apply properties of operations and the relationship between addition and subtraction
• Add and subtract within 20
• Work with addition and subtraction equations

Number and Operations in Base Ten

• Extend the counting sequence
• Understand place value
• Use place value understanding and properties of operations to add and subtract

Measurement and Data: Measure lengths indirectly and by iterating length units.