IXL | Multi-step word problems: identify reasonable answers

The scouts are putting on a crab feed. They have sold 79 adult tickets and 52 child tickets. Adult tickets cost $41 and child tickets cost $19. The scout leader estimates that they have sold around

7,000

worth of tickets. Is that a good estimate?

Yes.

No, it is much too high.

No, it is much too low.

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Learn with an example

question

Debbie is playing a board game. She won 19 battles worth 5 points each. She also found a treasure worth 100 points. She works out that she earned 124 points. Does that sound about right?

Yes.

No, it is much too high.

No, it is much too low.

solution

To check Debbie's work, find about how many points she earned. Use numbers that are easy to work with and that are close to the numbers in the problem.

Debbie won 19 battles. That is close to 20. Multiply by 5 points each to find about how many points Debbie earned by winning battles.

100

Debbie also found a treasure worth 100 points.

Add to find the total number of points Debbie earned.

100

200

Debbie earned about 200 points. So, 124 is much too low.

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Teacher tools

Work it out

Not feeling ready yet? These can help:

M.2Estimate sums, differences, products, and quotients: word problems

N.7Multi-step word problems

DD.4Two-step word problems: identify reasonable answers

H.4Estimate products word problems: identify reasonable answers

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