Solving a systems of equation word problem

The video tutorial guides students through solving word problems by identifying what is being asked, defining variables, setting up equations, and solving them using substitution. The example problem involves determining the number of small and large stuffed animals sold at a craft show. The teacher emphasizes understanding the context and verifying solutions to ensure they make sense within the problem's framework.

What is the first step you should take when approaching a word problem?

• Write down all known values.

• Guess the answer.

• Start solving immediately.

• Read through the question completely.

Why is it important to assign variables in a word problem?

• To avoid using numbers.

• To make the problem more complex.

• To identify unknowns that need to be solved.

• To confuse the reader.

How many equations are needed if you have two variables?

• None

• One

• Two

• Three

What does the equation 15x + 20y = 350 represent in the context of the problem?

• The total number of stuffed animals sold.

• The total cost of the stuffed animals sold.

• The number of large stuffed animals sold.

• The number of small stuffed animals sold.

Which method can be used to solve the system of equations in this problem?

• Substitution

• Graphing

• Guessing

• Trial and error

What is the value of y in the solution to the system of equations?

• 5

• 10

• 15

• 20

Why is it important to verify your solution in the context of the problem?

• To confuse others.

• To make the problem more difficult.

• To practice more math.

• To ensure the solution is correct and makes sense.