Solving Multi-Step Problems with Integers Using Order of Operations

This lesson teaches how to solve multi-step problems with integers using the order of operations. It highlights common mistakes, such as incorrect handling of addition and subtraction, and provides examples to demonstrate the correct application of the order of operations. The lesson covers evaluating expressions with parentheses and exponents, emphasizing the importance of following the correct sequence to arrive at the correct answer.

What is the common mistake students make when dealing with expressions that involve only addition and subtraction?

• They multiply before adding.

• They add and subtract from right to left.

• They ignore parentheses.

• They divide before subtracting.

In the example provided, what is the result of evaluating the expression (9 - 6) + (5 - 2)?

• 9

• 10

• 3

• 6

What is the value of 3 squared in the detailed example?

• 3

• 12

• 9

• 6

In the final example, what is the result of 16 minus 2?

• 18

• 14

• 12

• 16

What is the first step in solving an expression using the order of operations?

• Add and subtract from left to right

• Solve within parentheses

• Perform multiplication and division

• Evaluate exponents