Understand and apply properties of operations and the relationship between addition and subtraction.
Operations and Algebraic Thinking
Understand and apply properties of operations and the relationship between addition and subtraction.
Operations and Algebraic Thinking
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Apply properties of operations as strategies to add and subtract.
Understand subtraction as an unknown-addend problem.
Apply properties of operations as strategies to multiply and divide.
Use place value understanding and properties of operations to add and subtract.
Use place value understanding and properties of operations to perform multi-digit arithmetic.
Use tiling to show in a concrete case that the area of a rectangle with whole-number side lengths 𝘢 and 𝘣 + 𝘤 is the sum of 𝘢 × 𝘣 and 𝘢 × 𝘤. Use area models to represent the distributive property in mathematical reasoning.
Understand and apply properties of operations and the relationship between addition and subtraction.
Understand and apply properties of operations and the relationship between addition and subtraction.
Understand and apply properties of operations and the relationship between addition and subtraction.
Understand and apply properties of operations and the relationship between addition and subtraction.
Understand and apply properties of operations and the relationship between addition and subtraction.