Rounding (8300 - Higher - Number)

Topic:

Rounding

Specification references (in recommended teaching order)

	Specification content	Specification notes
N15	Round numbers and measures to an appropriate degree of accuracy (e.g. to a specified number of decimal places or significant figures) Use inequality notation to specify simple error intervals due to truncation or rounding	including appropriate rounding for questions set in context students should know not to round values during intermediate steps of a calculation
N16	Apply and interpret limits of accuracy including upper and lower bounds

The subject content (above) matches that set out in the Department for Education’s Mathematics GCSE subject content and assessment objectives document.

The expectation is that:

All students will develop confidence and competence with the content identified by standard type
All students will be assessed on the content identified by the standard and the underlined type; more highly attaining students will develop confidence and competence with all of this content
Only the more highly attaining students will be assessed on the content identified by bold type. The highest attaining students will develop confidence and competence with the bold content.

Teaching resources

Teaching resources - see below

99+

Downloadable resource in format. 29/08/2014

Diagnostic Questions - Rounding

AQA have teamed up with Craig Barton's Diagnostic Questions website to share free diagnostic question assessment for our new 2017 GCSE Maths specification.26/02/2016

Introduction to Lower and Upper Bounds

A helpful introductory powerpoint to upper and lower bounds with illustrations involving various measuring devices. The powerpoint includes an exercise. You will need to register for a TES account to access this resource, this is free of charge. 02/06/2015

Rounding and Estimating

Five pages which describe skills of rounding, including decimal places, significant figures and upper and lower bounds. 02/06/2015

CIMT Exercise

An online exercise involving all aspects of rounding including decimal places, significant figures and upper and lower bounds. Inequalities are used to specify intervals. 02/06/2015

Rounding Numbers

Guidance on rounding to decimal places or significant figures including a 'significant figures calculator'. The website includes a 10 question online exercise.02/06/2015

Rounding Skills

Seven sections of online questions involving rounding to various degrees of accuracy including decimal places and significant figures. 02/06/2015

Upper and Lower Bounds - Money in a Suitcase

An activity in which students must use bounds to estimate the maximum amount of money that could be fit into a suitcase. You will need to register for a TES account to access this resource, this is free of charge. 02/06/2015

CIMT Exercise

An online exercise involving all aspects of rounding including decimal places, significant figures and upper and lower bounds. Inequalities are used to specify intervals. 02/06/2015

Upper and Lower Bounds

A video which demonstrates how to find and use upper and lower bounds in problems. 21/01/2015

-Fractions and Decimals-Limits-Worksheet

Downloadable resource in xls format. 08/08/2010

33 KB