Solving Word Problems with Bar Graphs

What is the prerequisite for understanding lesson 2.6 on bar graphs?

• Watching videos 2.4 and 2.5 on bar graphs

• Learning about histograms

• Understanding pie charts

• Mastering algebra

What mathematical operations can be used with bar graph data?

• Trigonometry

• Square roots and powers

• Addition and subtraction

• Multiplication and division

What helps in better understanding the data in bar graphs?

• Ignoring the scale

• Skipping the introduction

• Answering questions about the data

• Focusing on colors only

How many more votes did computers receive than space in Lisa's class vote?

• 3 votes

• 10 votes

• 7 votes

• 5 votes

What is the combined total of votes for health and computers?

• 18 votes

• 20 votes

• 16 votes

• 22 votes

How many fewer votes were there for books than for health and computers combined?

• 10 votes

• 14 votes

• 12 votes

• 8 votes

What is the total number of students who voted for the bulletin board topic?

• 25 students

• 27 students

• 31 students

• 29 students

Which color combination was chosen by more people?

• Green and yellow

• Red and yellow

• Blue and red

• Blue and green

How many people did not choose blue?

• 11 people

• 13 people

• 15 people

• 17 people

What is essential for comparing bars in a bar graph?

• Drawing additional bars

• Skip counting and using the scale

• Guessing the values

• Using a ruler