Degrees of accuracy
I can appreciate what is meant by a suitable degree of accuracy.
Degrees of accuracy
I can appreciate what is meant by a suitable degree of accuracy.
These resources will be removed by end of Summer Term 2025.
Lesson details
Key learning points
- When calculating often 3 significant figures is the required degree of accuracy.
- When working with integers in context different degrees of accuracy may be appropriate.
- When working with decimals in context different degrees of accuracy may be appropriate.
Keywords
Degree of accuracy - A degree of accuracy shows how precise a number or measurement is. E.g. to the nearest cm, nearest 10, 1 s.f., etc
Common misconception
Rounding prematurely during multi-step calculations.
Encourage the use of fractions (where possible) or the use of the 'ANS' button.
To help you plan your year 8 maths lesson on: Degrees of accuracy, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 8 maths lesson on: Degrees of accuracy, download all teaching resources for free and adapt to suit your pupils' needs.
The starter quiz will activate and check your pupils' prior knowledge, with versions available both with and without answers in PDF format.
We use learning cycles to break down learning into key concepts or ideas linked to the learning outcome. Each learning cycle features explanations with checks for understanding and practice tasks with feedback. All of this is found in our slide decks, ready for you to download and edit. The practice tasks are also available as printable worksheets and some lessons have additional materials with extra material you might need for teaching the lesson.
The assessment exit quiz will test your pupils' understanding of the key learning points.
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Explore more key stage 3 maths lessons from the Estimation and rounding unit, dive into the full secondary maths curriculum, or learn more about lesson planning.
Licence
Starter quiz
6 Questions
100.56 -
1 is the first significant figure
0.569 -
5 is the first significant figure
0.0086023 -
8 is the first significant figure
0.00040003 -
4 is the first significant figure
3680.0036 -
3 is the first significant figure
Exit quiz
6 Questions
Buckets of water to fill a paddling pool -
nearest integer
Number of pupils at a primary school -
nearest ten
Number of people living in a village -
nearest hundred
Height of Mount Everest in metres -
nearest thousand