The video tutorial introduces the comparison box strategy for solving math problems, particularly in third-grade math. It explains how to visually represent problems using comparison boxes and provides examples involving crackers, marbles, and goldfish. The tutorial also covers more complex problems with larger numbers and emphasizes the importance of choosing the right strategy for different types of problems.

What is the main purpose of using a comparison box in math problems?

• To visualize comparison problems

• To solve multiplication problems

• To memorize math facts

• To practice division

What is the main focus of the third grade math expression series unit 3?

• Comparison problems

• Multiplication tables

• Division facts

• Geometry

In the crackers example, who ate more crackers?

• Steve

• Bob

• The problem doesn't specify

• They ate the same amount

How many crackers did Steve eat if Bob ate 14 and Steve ate 5 fewer?

• 19

• 14

• 5

• 9

In the crackers example, what is the difference between the number of crackers Bob and Steve ate?

• 5

• 9

• 14

• 0

What is the purpose of labeling in the comparison box strategy?

• To avoid confusion about quantities

• To make it faster

• To make it colorful

• To use less paper

In the crackers example, what is the total number of crackers Bob and Steve ate together?

• 14

• 23

• 5

• 9

In the marbles example, how many more marbles does Anna have than David?

• 8

• 5

• 2

• 3

If David has 5 marbles, how many does Anna have?

• 3

• 8

• 10

• 5

In the marbles example, what is the total number of marbles Anna and David have together?

• 13

• 8

• 5

• 3