SATS How To...
Welcome to the all new SATS How-to page. Here we will teach you valuble techniques that can be applied in your Maths, English & Science SATS exams, whatever the level. Forgotten how to convert a fraction? Unsure about how to plan an essay? Then the SATS How-to is for you!
Simply select your desired category from the list below and start learning...
| how to deal with significant figures |
When looking at significant figures, the numbers are counted from the left
The abbreviation s.f. can be used.
e.g.Write the number 2.2360679774 to 3 significant figures:
2.2360679774: the 4th number is 6, which is greater than 5.
The answer is therefore 2.24
Round 2.2360679774 to 4 s.f:
2.2360679774; the 5th number is less than 5, therefore the answer is 2.236
e.g. Round 1890 to 2 s.f:
1890: the 3rd number is greater than 5,
Therefore the answer is 1900.
The first 2 figures are significant, the last two keep the magnitude of the number.
|