Year 10
Core

Round up to three significant figures

Year 10
Core

Round up to three significant figures

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Lesson details

Key learning points

  1. In this lesson, we will learn how to round numbers to 1, 2 or 3 significant figures

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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5 Questions

Q1.
Round 34.678 to two decimal places.
33.67
34.67
Correct answer: 34.68
35.68
Q2.
Round 0.99601 to two decimal places.
0.10
0.99
1
Correct answer: 1.00
Q3.
Round 12.004827 to two decimal places.
12
Correct answer: 12.00
12.0048
12.01
Q4.
Which of the following cannot be rounded to 103.56?
103.555
103.557
103.559
Correct answer: 103.566
Q5.
A number has been rounded to 7.84. Which of the following could that number be?
Correct answer: 7.843
7.849
7.853
7.88

5 Questions

Q1.
Round 128 to one significant figure.
Correct answer: 100
120
128.0
130
Q2.
Round 0.0030482 to two significant figures.
0.00
Correct answer: 0.0030
0.003048
0.31
Q3.
Round 476.8594 to three significant figures.
476.859
Correct answer: 477
480
7
Q4.
Which of the following cannot be rounded to 567 000?
566 900
567 009
567 065
Correct answer: 567 605
Q5.
A number has been rounded to 709 to three significant figures. Which is the only one of the following that could be that number?
7.089
708.49
Correct answer: 709.078
710.1