MA19.7.6
Apply properties of operations as strategies to add, subtract, factor, and expand linear expressions with rational coefficients.
Apply properties of operations as strategies to add, subtract, factor, and expand linear expressions with rational coefficients.
Unpacked Content
UP:MA19.7.6
Vocabulary
Knowledge
- how to add, subtract, multiply, and divide rational numbers.
- A(b + c) = ab + ac.
- how to find the greatest common factor of two or more terms.
Skills
- apply properties of operations as strategies to add and subtract linear expressions with rational coefficients.
- Apply properties of operations as strategies to factor linear expressions with rational coefficients.
- Apply properties of operations as strategies to expand linear expressions with rational coefficients.
Understanding
- only like terms can be combined, e.g., x + y = x + y but x + x = 2x.
- To factor an expression, one must factor out the greatest common factor.
- There are many different ways to write the same expression.