In this lesson, students learn to solve multi-step word problems involving time and money. The teacher introduces Shane's chores problem, demonstrating how to use models and equations to find solutions. Next, Lucy's errands problem is tackled using a bar model to manage time effectively. The concept of multi-step word problems is explained, emphasizing the importance of breaking down problems into manageable parts. Sam's purchase problem is solved using equations, and Angela's exercise problem is addressed with a bar model. The lesson concludes with a focus on understanding and applying these strategies to similar problems.

What is the main focus of lesson 28 session one?

• Statistics and probability

• Problems about time and money

• Algebraic expressions

• Geometry and shapes

How many minutes does Shane spend doing chores on Wednesday?

• 90 minutes

• 75 minutes

• 115 minutes

• 60 minutes

What is the total time Shane spends on chores over three days?

• 115 minutes

• 130 minutes

• 100 minutes

• 120 minutes

How many minutes does Shane spend on chores on Friday?

• 15 minutes

• 25 minutes

• 10 minutes

• 20 minutes

What is an alternative way to solve Shane's chores problem?

• Using a bar model

• Using a calculator

• Using mental math

• Using a different equation

How many hours does Lucy have to complete her errands?

• 4 hours

• 3 hours

• 1 hour

• 2 hours

What is the total time Lucy spends at the post office, grocery store, and getting a haircut?

• 120 minutes

• 90 minutes

• 110 minutes

• 100 minutes

How much time does Lucy have left to wash her car?

• 10 minutes

• 15 minutes

• 20 minutes

• 25 minutes

What is a multi-step word problem?

• A problem that requires one step to solve

• A problem that requires more than one step to solve

• A problem that can be solved using a calculator

• A problem that involves only addition

What is the cost of the table Sam buys?

• $200

• $300

• $400

• $500