Kids' Savings 1
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Approach: Independent Level: Year 8
Focus: Interpreting a table and completing a graph
Resources: Ruler, table and line graph in work book
216Kb
Questions/instructions:

This table shows how much each child in a family had in the bank from January to June.

 
Jan.
Feb.
Mar.
Apr.
May
Jun.
Mary
$15
$15
$25
$20
$10
$15
Tom
$5
$10
$15
$15
$25
$30
Jake
$10
$20
$10
$5
$20
$25







This line graph shows the bank balances for Mary and Tom.
Use the information from the table to draw the line for Jake.


Click on graph to enlarge.
 
% responses
y8
Jan:
marked at $10
90
Feb:
marked at $20 (±1)
72
Mar:
marked at $10 (±1)
72
Apr:
marked at $5 (±1)
74
May:
marked at $20 (±1)
72
Jun:
marked at $25 (±1)
74
Line drawn:
(i.e. squares, marks, dots connected up with line)
marked tidily between marked points
51
marked but quite roughly
39
Line appropriately labelled:
positioned with and labelled like Tom and Mary
53
labelled but in another way
4

Total score:
10
29
 
8–9
27
 
6–7
19
 
4–5
11
 
0–3
15
Subgroup Analysis [Click on charts to enlarge] :
Year 8
Commentary:
Year 8 students were moderately successful on this task, with over half of the students scoring 8 or better. They were generally successful at finding the points on the graph but had somewhat more difficulty with line drawing and labelling. Gender and ethnic differences were quite small.