Identifying Variables and Relationships

The video tutorial guides sixth-grade students through a problem set involving story problems. Students learn to identify unknown quantities and write corresponding addition or subtraction expressions. The tutorial provides examples, such as calculating the number of stories written by Ella and Anna, the years of dancing for Lisa and Danica, goals scored by the Rangers and Sabers, and camping trips by George and Dave. Each example demonstrates how to represent variables and solve the problems using given information.

What is the main task in the problem set introduced in the video?

• Solve multiplication problems.

• Create a new problem set.

• Identify the unknown quantity and write an expression.

• Write a story about a problem.

If Anna wrote 10 stories, how many stories did Ella write?

• 15 stories

• 10 stories

• 18 stories

• 8 stories

What variable is used to represent the number of stories Anna wrote?

• E

• S

• A

• N

How many years has Lisa been dancing if Danica has been dancing for 6 years?

• 6 years

• 12 years

• 3 years

• 9 years

What does the variable D represent in the problem about Lisa and Danica?

• The number of stories Danica wrote

• The number of years Danica has been dancing

• The number of years Lisa has been dancing

• The number of goals scored by the Rangers

If the Rangers scored 3 goals, how many goals did the Sabers score?

• 2 goals

• 5 goals

• 3 goals

• 4 goals

What does the variable R represent in the problem about the Rangers and Sabers?

• The number of goals scored by the Sabers

• The number of goals scored by the Rangers

• The number of years Danica has been dancing

• The number of stories Ella wrote

If George went camping 8 times, how many times did Dave go camping?

• 10 times

• 5 times

• 11 times

• 8 times

What does the variable G represent in the problem about George and Dave?

• The number of times Dave went camping

• The number of goals scored by the Rangers

• The number of times George went camping

• The number of stories Anna wrote

If George went camping 15 times, how many times did Dave go camping?

• 18 times

• 15 times

• 20 times

• 12 times