How would you teach geometry to an adult who never took a geometry class before?
I am tutoring a friend for the ASVAB exam (to join the Marines) in 6 weeks. The rest of the exam is review and working on speed, but he doesn't even have a base with geometry. Is this possible? Any creative ideas of how to present the material to get it to sink in quickly?
I am actually studying for the ASVAB right now, as well, although I have previous experience with geometry. You could probably start him off with what teachers call realia--using real, hands-on things. He would probably learn better by doing than by reading. So assess his basic math skills (is he okay with adding, subtracting, multiplication, etc) because that is needed in geometry. Then teach him the vocabulary needed for geometry while showing real-life situations for him to learn from. After the basics are learned (probably about a week or two, maybe a little longer, depending on how often you work with him) you can start to do the math formulas.
I wish you and your friend luck. A high ASVAB score is really needed to get many options for the military. But just remind him that a miminum of 32 is needed for enlistment for the marines, just so it can take the pressure off of him. Good luck!
I would start with the basics that covered on the exam and not delve into anything more complex than that. I believe the type of geometry covered on the ASVAB is finding the area and perimeter of simple shapes like triangles, rectangles, and circles, and working with angles. Since he did it before in high school/junior high, the knowledge is still in his brain somewhere, perhaps just hiding in a corner.
Start with basic formulas and work out tons of examples over and over. Simple real-world examples are great, like finding the area and perimeter of your room. Try to reassure your friend that anyone can become good at math with enough practice. Eventually, setting up and solving problems will come more naturally. Sometimes people who think they are bad at math just have low confidence in their abilities.
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