The video tutorial demonstrates a problem-solving strategy using a number sentence. It involves understanding the problem, planning a solution, solving it using a bar diagram and subtraction, and finally checking the solution with addition. The example used is calculating the remaining treats for Jack after he has consumed some from a bag.

What is the main focus of the video tutorial?

• Teaching Jack how to beg for treats

• Explaining a problem-solving strategy

• Showing how to train a dog

• Discussing the nutritional value of treats

How many treats did Jack start with?

• 82

• 173

• 255

• 100

What is the unknown information we need to find?

• The total number of treats

• How many treats Jack has eaten

• How many treats are left for Jack

• The number of treats Jack will eat next month

What is the total number of treats Jack had initially?

• 255

• 173

• 100

• 82

What is the first step in understanding the problem?

• Identifying what we know

• Drawing a diagram

• Checking the answer

• Eating the treats

What is the first step in solving the problem?

• Writing a number sentence

• Eating the treats

• Drawing a bar diagram

• Checking the answer

What is the purpose of writing a number sentence?

• To make the problem harder

• To increase the number of treats

• To solve the problem

• To confuse Jack

What mathematical operation is used to find the number of treats left?

• Subtraction

• Division

• Multiplication

• Addition

How many treats are left for Jack after solving the problem?

• 0

• 173

• 255

• 82

What is the purpose of drawing a bar diagram in this problem?

• To check the reasonableness of the answer

• To calculate the total number of treats

• To model the number sentence

• To visualize the treats Jack has eaten