Course 1, Lesson 5, Order of Operations

Course 1, Lesson 5, Order of Operations

Author: Hector Soto

1. Reason abstractly and quantitatively. 2. Construct viable arguments and critique the reasoning of others. 3. Use properties to produce equivalent expressions. 4. Understand solving an equation or inequality as a process of answering a question: which values from a specified set, if any, make the equation or inequality true? Use substitution to determine whether a given number in a specified set makes an equation or inequality true. 5. Use variables to represent numbers and write expressions when solving a real-world or mathematical problem; understand that a variable can represent an unknown number, or, depending on the purpose at hand, any number in a specified set. 6. Look for and make use of structure.

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Order of Operations

Source: Hector Soto