CCSS Math Standards

Standards

Math
1.OA.4
1
Operations & Algebraic Thinking
Understand and apply properties of operations and the relationship between addition and subtraction. Understand subtraction as an unknown-addend problem. For example, subtract 10 - 8 by finding the number that makes 10 when added to 8.
I can understand and apply properties of operations and the relationship between addition and subtraction.