Answering Two-Step Questions with Bar Graphs Using Model Drawing

The video tutorial teaches how to solve one-step and two-step questions using bar graphs and modeled drawings. It begins with an introduction to bar graphs and their use in problem-solving. An example of a one-step question is provided, demonstrating how to use a modeled drawing to find the solution. The tutorial then explains two-step questions, highlighting common mistakes. It includes a detailed example of interpreting data from a bar graph and solving a two-step question using a modeled drawing. The lesson emphasizes the importance of completing all steps to arrive at the correct answer.

What is a modeled drawing used for?

• To solve equations directly

• To create a visual representation of a problem

• To write down mathematical formulas

• To draw artistic pictures

In the example with marbles, how many more marbles does Mark have than Kate?

• 2

• 5

• 3

• 8

What is a common mistake when solving two-step questions?

• Completing only the first step

• Skipping the first step

• Using a calculator

• Drawing a graph

How many students ride on the Maple Street bus according to the graph?

• 7

• 24

• 19

• 16

What is the total number of students riding on the Maple Street and Oak Lane buses?

• 40

• 26

• 7

• 19

How do you find out how many more students ride on the Maple Street and Oak Lane buses than the Alder Avenue and Pine Place buses?

• Subtract the smaller total from the larger total

• Divide the numbers

• Add the numbers together

• Multiply the numbers

What is the final answer to the two-step question about the number of students on different buses?

• 12

• 14

• 16

• 18