Percentages of beads

Percentages of beads

Pencil and paper
Overview
Using this Resource
Connecting to the Curriculum
Marking Student Responses
Further Resources
This task is about working out percentages.
 
Complete the table below to give the number of each coloured bead in each necklace.
 
 

Necklace A

Total of 20 beads of which

  • 10% are red
  • 70% are blue
  • 20% are green
 

Necklace B

Total of 20 beads of which

  • 45% are red
  • 35% are blue
  • 20% are black
 
 

Necklace C

Total of 25 beads of which

  • 40% are red
  • 20% are blue
  • 8% are green
  • 32% are black

 

Table to Record Answers

  Necklace
Number of each
coloured bead
 A B C
Red
 
 
    
Blue
 
 
    
Green
 
 
    
Black
 
 
    
Task administration: 
This task is completed with pencil and paper only.
Level:
4
Curriculum info: 
Maths, Number and Algebra, Number Strategies
Keywords: 
percentages, sets
Description of task: 
This practical task requires students to determine the number of different coloured beads needed to thread onto a necklace by interpreting different percentages.
Curriculum Links: 
 
This resource can help to identify students' ability to apply additive or multiplicative strategies flexibly to obtain percentages of whole numbers.
 
Learning Progression Frameworks
This resource can provide evidence of learning associated with
Multiplicative thinking, sets 6-7
within the Mathematics Learning Progressions Frameworks.
Read more about the Learning Progressions Frameworks.
Answers/responses: 

 

See Making necklaces and Making necklaces II for equivalent practical resources on decimals and fractions respectively.