Estimating and rounding contexts

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Estimating and rounding contexts - Exit Quiz

Answer the questions below. When you submit the quiz, you will receive feedback on any incorrect answers.

Email *

Which of the following is NOT a reason to make estimations? *

1 point

To check the reasonableness of a calculation.

To get a rough idea of how much a grocery shop might cost.

To waste time purposefully calculating the wrong answer.

To know the general direction you are travelling when driving to a new place.

Which of the following can be used to help make a reasonable estimation? Select 3 answers. *

3 points

Nothing, you just make a guess.

The context of what you are estimating.

Rounding numbers.

Your prior knowledge.

Required

True or false: a reasonable estimation of 99 + 805 is 800. *

1 point

True

False

I drove to the Gold Coast and back, from Brisbane. It took me 43 minutes to get there and 1 hour and 11 minutes to return. Approximately how long was I driving for in total? *

1 point

1 hour and 54 minutes

1 hour

3 hours

1 hour and 50 minutes

There are 826 native plants currently in the park. The Park Rangers are going to plant a further 179 this week. Roughly how many native plants will be in the park when the rangers are finished? *

1 point

10 000

600

1 000

1 125

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