# AN N2/L2.5

Order, approximate and compare decimals when solving practical problems (a) Understand place value for whole numbers and up to three decimal places (b) Understand that decimals can be rounded to different degrees of accuracy, depending on the purpose

## Guinness world records

21 interesting (and challenging!) questions for practice with converting between metric and imperial measurements. Question pages can be divided amongst the class and then answers can be shared. Extension ideas could include measuring learners’ feet/ height and comparing them to the records.

Editor’s note
Also provides practice with rounding decimals to a sensible number of decimal places.
The answer sheet, which includes detailed working out, is only available to site contributors. Please see details within the resource.

Level
L2
Maths
MSS1/L2.6
MSS1/L2.5
N2/L2.6
AN N2/L2.5
Functional Maths - measures, shape & space
Context
Art Film Media Music TV

## Rounding decimals

Learners round the same number to a several different degrees of precision. This reinforces that the important thing about rounding is what one is rounding to..

Level
L2
L1
Maths
AN N2/L2.5
AN N2/L1.7
Functional Maths - numbers and the number system

## Rounding

Rounding presentation makes clever use of number lines and animation to demonstrate rounding whole numbers (nearest 10, 100, 1000) and decimals (nearest whole number, 1 and 2 d.p.) and using significant figures. Please ensure that you also download the accompanying PDF document (see below) with useful teaching notes and ideas for adapting the PPT for your own learners.

Level
E2
E3
L1
L2
Maths
AN N2/L1.7
AN N2/L2.5
N1/E2.6
N1/E3.7
N1/L1.8

## Decimal place value chart: Hundreds to thousandths

Practical and easy way to introduce decimals: use when multiplying and dividing decimals by 10, 100. Also useful when converting metric units, rounding decimals and for a general understanding of exactly what a decimal is! One partially completed chart to complete (with examples), answer sheet and a blank chart for students to use as they wish.

Level
E2
E3
L1
L2
Maths
FM Context free underpinning
FM E2.11 Read, write and use decimals to one decimal place
FM E3.8 Read, write and use decimals up to two decimal places
FM L1.10 Read, write, order and compare decimals up to three decimal places
FM L2.9 Order, approximate and compare decimals
AN N2/E3.3
AN N2/L1.4
AN N2/L1.6
AN N2/L1.7
AN N2/L2.5