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Assessment resource Scale matters: decimal numbers: assessment

TLF ID L8630

Test what you know about using scales ranging from hundreds and tens down to tenths and hundredths. Look at two numbers and place a third number on a number line. Rename the third number by assigning place values for each digit or group of digits. For example, look at the numbers 74.6 and 76 on a number line and select 'Tenths' as the most useful scale to locate the given number 75.1. Rename 75.1 as 75 ones and 10 hundredths. See a report of your results. This assessment object is one in a series of three objects.

Educational details

Key learning objectives
  • Students select appropriate scale for placing a decimal number on a number line.
  • Students place a decimal number on a number line using an appropriate scale.
  • Students rename decimal numbers by assigning place values for single digits or groups of digits.
Educational value
  • Assesses student understanding of scales as diagrammatic representations reflecting the placement of unit lengths along a line.
  • Includes three sets of three problems.
  • Assesses the student's skill level after each set and adjusts the level of difficulty.
  • Supports repeated use through multiple problem sets.
  • Includes a printable report with the student's corrected answers and a summary of achievement for each set attempted.
Year level


Learning area
  • mathematics
  • Mathematics/Number and algebra
    Student activity
    • Interactives;
    • Analysis;
    • Modelling

    Other details

    • Script writer
    • Name: Michael Wagner
    • Organisation: Godwin + Wagner
    • Address: Box Hill South VIC 3128 Australia
    • Script writer
    • Name: Rebecca Cox
    • Organisation: CWA New Media
    • Address: Wellington New Zealand
    • URL:
    • Subject matter expert
    • Educational validator
    • Educational validator
    • Name: Gayl O'Connor
    • Organisation: Education Services Australia
    • Address: Melbourne VIC 3000 Australia
    • URL:
    • Technical implementer
    • Publisher
    • Date of contribution: 20 Sep 2013
    • Organisation: Education Services Australia
    • Address: Melbourne VIC 3000 Australia
    • URL:
    Access profile
    • Colour independence
    • Hearing independence
    Learning resource type
    • Assessment resource
    • Microsoft Internet Explorer - minimum version: 8.0 (MS-Windows) - maximum version: 9.0 (MS-Windows)
    • Firefox - minimum version: (MS-Windows)
    • Safari - minimum version: 5.1 (MacOS)
    Operating systems
    • MacOS - minimum version: 10.6
    • MS-Windows - minimum version: XP - maximum version: 7
    • © Education Services Australia Ltd, 2013, except where indicated under Acknowledgements.