IXL | Estimate products word problems: identify reasonable answers

A science class did an online quiz game to study for a test. There were 29 students in the class, and each student had to answer 6 questions. Rick worked out that the class answered 243 questions altogether. Does that sound about right?

Yes.

No, it is much too high.

No, it is much too low.

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Learn with an example

question

Pizza Paradise sold 58 small pizzas last weekend. Each small pizza was cut into 6 slices. A worker figured out that the restaurant sold 350 of these slices. Does that sound about right?

Yes.

No, it is much too high.

No, it is much too low.

solution

Check whether the worker's answer is reasonable. Find about how many small pizza slices the restaurant sold. Use numbers that are easy to work with and that are close to the numbers in the problem.

The restaurant sold 58 small pizzas. That is about 60 small pizzas.

Each small pizza had 6 slices. Multiply.

360

The restaurant sold about 360 of these slices. So, 350 sounds about right.

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Lesson: Estimating products

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