Year 6
Year 6

Estimating and rounding contexts

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Lesson details

Key learning points

  1. In this lesson, we will develop number sense as well as applying the skills of rounding and estimating linked to everyday situations.

Licence

This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

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6 Questions

Q1.
There are 2271 satellites currently in space. What is this number rounded to the nearest 10?
2200
Correct answer: 2270
2280
2300
Q2.
There are 2271 satellites currently in space. What is this number rounded to the nearest 100?
2200
2270
2280
Correct answer: 2300
Q3.
The moon Ganymede takes 172 hours to orbit Jupiter. What is this number rounded to the nearest 10?
100
Correct answer: 170
180
200
Q4.
The moon Ganymede takes 172 hours to orbit Jupiter. What is this number rounded to the nearest 100?
100
170
180
Correct answer: 200
Q5.
When rounded to the nearest 10, it takes Mars approximately 690 days to orbit the Sun. What is the greatest number of days it can take?
685
686
Correct answer: 694
695
Q6.
When rounded to the nearest 10, it takes Mars approximately 690 days to orbit the Sun. What is the least number of days/
Correct answer: 685
686
694
695