TACHS Math : Multiplication

Study concepts, example questions & explanations for TACHS Math

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Example Questions

Example Question #1 : Estimation

Estimate the answer in your head. Do NOT use scratch paper to compute exact answers.

The average class size at Smith High School is . If there are  classes going on at any given time in the school, about how many students are in class at any given time?

Possible Answers:

Correct answer:


In order to estimate the number of students in class, you will need to round the average number of students in a class up to  and round the number of classes being held down to  also.

Thus,  is easily doable in your head.

There are an estimated  students in class at any given time.

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