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Math Instructor interview questions shared by candidates

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Math Instructor was asked...4 February 2014

I think the most difficult one was similar to: "A solution containing 30% juice is mixed with a solution containing 10% juice to make 100 gallons of solution containing 12% juice. How many gallons of the 30% solution was used?"

10 gallons of 30% and 90 gallons of 10% juice.

10 gallons of 30% and 90 gallons of 10% juice.

I set it up like this. (.30)(x) + .10(100-x) = .12( 100) and solved for x. x = 10 gallons... therefore 10 gallons of 30% and 90 gallons of 10% Less

How would you explain what a denominator is to a kid who doesn't know much about fractions?

It's the total number of pieces the pie is cut into. If they don't know much about fractions they're in 2nd or 3rd grade. Give them a real like application for it to make more sense Less

It is the total number of equal parts in one whole...

What is 16% of 350

by using the def of percent which is the every 100. Thus it should be 16*3 + 8

I did 10*3+6*3+8

The first thing I was asked was how would I tell someone how to compute 99+99+99=?

I replied that I would tell someone to multiply 100 by 3 and then subtract 3. The interviewer was very pleased with the approach. Less

What skills and experiences do you have that will help you be successful in this role?

I have good communication skills - I can explain concepts with appropriate details, depending on my audience. I frequently ask my audience if they understand what I'm saying, and if not, I try to explain in other ways. As for experience, a group of friends and I made a study group during our first year in university. I was in charge of clarifying any confusions that arose in math classes. I have helped a lot of my friends with various problems in assignments and past exams. After I explained to them a certain concept that the question was asking to apply, they were able to easily solve said problems. Less

How would you explain 15% of 300 to a child?

First, I tried using algebra. But, it made more sense to try and use graphics.

Q: If you had a class with 7 kids and only 5 calculators, what would you do?

A: Have kids share or try to locate more calculators.

Are you comfortable in taking a math assessment test?

Of course, will love to show you that I am a good fit.

There were't any questions in particular. It was more of a conversation. She asked me why did I want to tutor math. How did I start tutoring math, and If I was currently working.

I told her that I wanted to tutor math because I like math and I like working with kids. I started out as a volunteer tutor at 14, and no I am currently a stay at home mom. Less