Description: A guide to major, supporting, and additional clusters in Grade 4. Generalize place value understanding for multi-digit whole numbers. Use place value understanding and properties of operations to perform multi-digit arithmetic. Know number names and the count sequence Count to tell the number of objects. Compare numbers. Work with numbers 11-19 to gain foundations for place value Represent and solve problems involving addition and subtraction. Understand and apply properties of operations and the relationship between addition and subtraction.