Decimal and number lines

Decimal and number lines

Pencil and paper
Overview
Using this Resource
Connecting to the Curriculum
Marking Student Responses
Working with Students
Further Resources
This task is about identifying decimal numbers on a number line.
 
 
 
Write the letter that shows where each of the numbers below would fit on the number line.
 
 
a)
i)
 
 
ii)
 
 
iii)
0.5     __________
 
 
0.25   __________
 
 
0.875 __________
Task administration: 
This task is completed with pencil and paper only.
Level:
4
Description of task: 
Students record a letter on a number line for each one, two and three-place decimal number.
Answers/responses: 
   

Y6 (10/1999)

a)

i)
ii)
iii)

D
B
G

difficult
difficult
difficult

 

Diagnostic and formative information: 

Common error

Orders numbers as 0.5, 0.25, 0.875
NOTE: If numbers are in this order, then ii) may be marked correctly but the concept not understood.