Understanding Word Problems and Solutions

The video tutorial, led by Sarah Powell from the University of Texas at Austin, focuses on solving multi-step word problems using schemas. It introduces six schemas commonly used in middle school: total, difference, change, equal groups, comparison, and ratios and proportions. The tutorial demonstrates the UPS Check strategy (Understand, Plan, Solve, Check) to tackle word problems. Two example problems are solved: a birthday party problem involving purchases and change, and a snack mix problem involving distribution among students. The tutorial emphasizes the importance of understanding schemas to simplify multi-step problem solving.

What is the main focus of the video tutorial?

• Understanding mathematical operations

• Solving multi-step word problems

• Learning basic arithmetic

• Solving single-step word problems

What does a schema refer to in the context of word problems?

• The solution to a problem

• The number of steps in a problem

• The structure of a word problem

• The difficulty level of a problem

Which of the following is NOT one of the six schemas mentioned?

• Comparison

• Multiplication

• Total

• Difference

What is the first step in the attack strategy for solving word problems?

• Solve the problem

• Check the work

• Make a plan

• Understand the problem

In the word problem about Polly, what does she buy for her birthday party?

• Cards and flowers

• Candles and gifts

• Streamers and hats

• Balloons and cake

How much does each package of streamers cost in Polly's word problem?

• $1.99

• $2.49

• $3.99

• $4.49

What is the total amount Polly spends on hats?

• $11.96

• $8.96

• $9.96

• $10.96

In the snack mix problem, how many bags of snack mix does the teacher buy?

• 4

• 5

• 6

• 7

How many cups of snack mix are in each bag?

• 1.5 cups

• 2 cups

• 2.5 cups

• 3 cups

What is the total amount of snack mix available for the students?

• 18 cups

• 15 cups

• 12 cups

• 10 cups