Bar Models and Multi-Step Problems

The video tutorial teaches how to organize information in a multi-step word problem using a bar model. It begins with a crayon problem involving Mandy and Steven, explaining how to chunk information and draw a bar model to find the solution. The tutorial emphasizes understanding multi-step problems and provides a step-by-step guide to organizing and solving them effectively.

What is the total number of crayons Mandy has?

• 28

• 30

• 34

• 32

What is the first step in drawing a bar model?

• Guess the answer

• Solve the problem immediately

• Reread the problem and make a fill-in-the-blank sentence

• Draw random bars

What is a common mistake when solving multi-step problems?

• Solving only one step

• Ignoring the problem

• Solving all steps at once

• Using a calculator

How many red crayons does Steven have?

• 18

• 16

• 15

• 12

What should you do after reading each chunk of information?

• Say 'stop' and think about it

• Draw a line

• Write it down

• Ignore it

How do you ensure Steven's bar is the same length as Mandy's?

• Draw a starting line from Mandy's bar

• Guess the length

• Use a ruler

• Draw it randomly

What is the unknown quantity in the problem?

• The total number of crayons Mandy has

• The number of blue crayons Steven has

• The total number of crayons Steven has

• The number of red crayons Steven has

What letter is used to label the blue crayons in the bar model?

• B

• C

• D

• R

What is the purpose of drawing a bar model?

• To organize information and visualize the problem

• To confuse the solver

• To make the problem more complex

• To avoid solving the problem

What should you do if you get lost in a multi-step problem?

• Skip the problem

• Make a movie in your head about the problem

• Give up

• Ask someone else to solve it