Abacus numbers

Abacus numbers

Pencil and paper
Overview
Using this Resource
Connecting to the Curriculum
Marking Student Responses
Further Resources
This task is about numbers on an abacus.
abacus showing 3 counters on the first, 6 on the second and 4 on the third spike This abacus shows the number 364.
 
a)
Show these numbers on each abacus.
 
  i)     The number  6 3 0  
empty abacus
  ii)    The number  7 0 5
empty abacus
  iii)   The number  1 8 2
empty abacus

b)
 
Write the numbers shown by each abacus.
 
 
i)
  __________
 
 
ii)
   __________
 
 
iii)
   __________
Task administration: 
This task is completed with pencil and paper only.
Level:
2
Curriculum info: 
Maths, Number and Algebra, Number Knowledge
Keywords: 
place value, whole numbers
Description of task: 
Students demonstrate their understanding of place value by showing numbers on an abacus and recording numbers shown on an abacus.
Answers/responses: 
  

Y5 (05/1998)
a) i)

ii)

iii)

 easy

very easy

very easy
b) i)
ii)
iii)		 3 4 5
4 6 2
5 7 0		 very easy
very easy
easy