Speedo

Speedo

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Connecting to the Curriculum
Marking Student Responses
Working with Students
Further Resources
This task is about making adjustments to a trip meter.
Questions/instructions
A trip meter on a speedo shows how many kilometres a car travels.
 
1. Write what the trip meter will show if the car travels one more kilometre than
2.    Write what the trip meter will show if the car travels ten more kilometres than:
3.    Write what the trip meter will show if the car travels one hundred more kilometres than:
4.    Write what the trip meter will show if the car travels one thousand more kilometres than:
5.    Write what the trip meter showed one kilometre before this:
6.    Write what the trip meter showed ten kilometres before this:
7.    Write what the trip meter showed one hundred kilometres before this:
8.    Write what the trip meter showed one thousand kilometres before this:

 

Levels:
2, 4
Keywords: 
Description of task: 
For this NEMP task students show the changes to a trip meter on a speedo after specified distances are travelled.
Answers/responses: 
 

Y4 (10/01)

Y8 (09/01)

1.

1997

52%

84%

2.

2006

11%

61%

3.

2096

8%

45%

4.

2996

24%

67%

5.

3401

34%

78%

6.

3392

7%

52%

7.

3302

17%

68%

8.

2402

21%

68%

 

Total score:

Y4 (10/01)

Y8 (09/01)

8 marks
6-7 marks
4-5 marks
2-3 marks
0-1 marks

2%
7%
10%
21%
60%

26%
31%
16%
12%
15%

 

Diagnostic and formative information: 
Commentary
Most year 4 students showed a low level of understanding of place value, and very few succeeded when renaming was required.
About 60 percent of year 8 students gave correct answers to 6 or more of the 8 components.