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Topic: Number, Fractions, Decimals, Percentage, Ratio and Proportion (Higher - Unit 3)

Specification References: N1.4 N1.4 Approximate to a given power of 10, up to three decimal places and one significant figure.

Candidates should be able to:

• round numbers to the nearest 10, 100, 1000 or million
• round numbers to the nearest whole number
• round to one, two or three decimal places
• round to one significant figure

Notes

This is part of the core number work required across all units. The core number work will be assessed so that it is linked to other specification references within this unit.

Candidates should know that some answers are inappropriate without some form of rounding, for example 4.2 buses.

Examples

1. A rectangle has length 3.4cm and width 5.7cm
   Work out the area.
   Give your answer to one decimal place.

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