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Year 8
Estimation and rounding
Lessons (16)
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I can round to the nearest 100 or 10 or whole number or to 1 or 2 decimal places.
1 Slide deck
1 Worksheet
2 Quizzes
1 Video
I can recognise when values have been rounded and state sensible suggestions of what the unrounded value could have been.
1 Slide deck
1 Worksheet
2 Quizzes
1 Video
I can round numbers to three decimal places.
1 Slide deck
1 Worksheet
2 Quizzes
1 Video
I can round numbers to any number of decimal places.
1 Slide deck
1 Worksheet
2 Quizzes
1 Video
I can round integers to one significant figure.
1 Slide deck
1 Worksheet
2 Quizzes
1 Video
I can round integers to a required number of significant figures.
1 Slide deck
1 Worksheet
2 Quizzes
1 Video
I can round decimals to a required number of significant figures.
1 Slide deck
1 Worksheet
2 Quizzes
1 Video
I can appreciate what is meant by a suitable degree of accuracy.
1 Slide deck
1 Worksheet
2 Quizzes
1 Video
I can estimate numerical calculations.
1 Slide deck
1 Worksheet
2 Quizzes
1 Video
I can estimate and check if solutions to problems are of the correct magnitude.
1 Slide deck
1 Worksheet
2 Quizzes
1 Video
I can estimate a value by truncating to a given degree of accuracy.
1 Slide deck
1 Worksheet
2 Quizzes
1 Video
I can determine whether calculations using rounding or truncating will give an underestimate or overestimate.
1 Slide deck
1 Worksheet
2 Quizzes
1 Video
I can appreciate the impact of rounding errors when using a calculator (or other technology), and the way that these can be compounded to result in large inaccuracies.
1 Slide deck
1 Worksheet
2 Quizzes
1 Video
I can calculate possible errors expressed using inequality notation a ≤ x < b.
1 Slide deck
1 Worksheet
2 Quizzes
1 Video
I can use inequality notation $$a ≤ x < b$$ to express errors in calculations.
1 Slide deck
1 Worksheet
2 Quizzes
1 Video
I can use my knowledge of estimation and rounding to solve problems.
1 Slide deck
1 Worksheet
2 Quizzes
1 Video