Problem Solving with Expressions and Costs

This video tutorial teaches how to solve real-world problems using expressions with parentheses. It explains the importance of parentheses in changing the outcome of expressions and provides step-by-step guidance on identifying important information, drawing representations, and writing expressions. The tutorial includes examples involving scarves, books, and hair bows to illustrate these concepts.

What is the first step in solving a multi-step problem?

• Identify the important information

• Ignore the problem context

• Guess the answer

• Start with the last step

How do parentheses affect the outcome of an expression?

• They simplify the expression

• They change the order of operations

• They make the expression longer

• They have no effect

What is the second step in solving problems using expressions with parentheses?

• Add all numbers

• Multiply all numbers

• Draw a picture to represent the situation

• Write the final answer

In the book distribution problem, how many total books does Karen have?

• 25

• 20

• 15

• 10

How many books should be placed in each box to ensure equal distribution?

• 3

• 4

• 5

• 6

What is the first operation to perform in the shopping cost problem?

• Subtract the cost of one bow

• Add the number of pink and purple bows

• Divide the total cost by the number of bows

• Multiply the cost by 10

How much does each hair bow cost in the shopping problem?

• $6.99

• $3.99

• $4.99

• $5.99

What is the total number of bows Kenzie bought?

• 10

• 16

• 12

• 14

What is the final step in solving the shopping cost problem?

• Multiply the total number of bows by the cost of one bow

• Add the costs of all bows

• Subtract the cost of one bow from the total

• Divide the total cost by 2

What is the total cost of the bows Kenzie bought?

• $49.90

• $79.88

• $59.88

• $69.88