1. Literacy Research Memory Skill Practice Stretch!
Think of a real-life example of where you would round to one significant figure. This could be a use for significant figures in another subject in school!
Estimate, Approximate, Significant, Decimal, Accuracy
Explain what bounds are.
Skill Practice
Stretch!
A field is 200m long to the nearest 100m, and 170m wide to the nearest 10m.
Write down the maximum and minimum possible perimeters.
Number
Level of accuracy
Rounded answer
19.372
2 d.p.
1 s.f
5 d.p.
2 s.f.
46320
2 s.f
3 d.p.
4.9043
23.405
3 s.f.