Throwing a ball

Throwing a ball

Pencil and paper
Overview
Using this Resource
Connecting to the Curriculum
Marking Student Responses
Working with Students
Further Resources
This task is about reading information from a stem-and-leaf graph.

All the students in Room 8 threw a netball as far as they could.

The distance each person threw the ball is shown in the stem-and-leaf graph below.

Distance the netball was thrown (metres)

stem-leaf-graph-netball-throws.png

 

a) What was the shortest distance the ball was thrown? __________ m
 
b)		  
What was the most common distance the ball was thrown? __________ m
 
c)
  
How many students threw the netball more than 21 metres, but less than 29 metres?
 
__________
 
d)		  
How far was the longest throw? __________ m
Task administration: 
This task is completed with pencil and paper only.
Level:
3
Curriculum info: 
Maths, Statistics, Statistical investigations
Keywords: 
stem-and-leaf graphs, graph interpretation
Description of task: 
Students answer questions about a stem-and-leaf graph which shows the distances some students threw a netball.
Curriculum Links: 
This resource can be used to help to identify students' ability to interpret a stem-and-leaf graph.
Learning Progression Frameworks
This resource can provide evidence of learning associated with
Statistical investigations, set 4
within the Mathematics Learning Progressions Frameworks.
Read more about the Learning Progressions Frameworks.
Answers/responses: 
 

Y6 (06/1998)
a) 6 difficult
b) 21 difficult
c) 6 difficult
d) 48 difficult
Diagnostic and formative information: 
  Common error Likely reason
a) 0
8		 Smallest digit.
Digit at bottom of graph.
b) 1
8
9		 Records most frequent digits.
c) 0 Saw all data as in range 0-9.
d) 9 Highest digit.