Estimating time

Estimating time

Pencil and paperOnline interactive
Overview
Using this Resource
Connecting to the Curriculum
Marking Student Responses
This task is about estimating the duration of time.
You are going to be working with a partner and both of you will be taking turns to estimate how much time you think has gone by.
 
  1. Take turns using a stopwatch to estimate when you think 15 seconds, 30 seconds, 45 seconds, and 60 seconds have gone by.
  2. Each time one of you has the stopwatch and says "Go" while the other says "Stop" when they think the correct number of seconds has gone by.
  3. Reset the stopwatch to 0 after each estimation.

Question 1Change answer

Record both your estimates and your partner's estimates on the table below.
 

Time

Your Estimate

Your Partner's Estimate

a)

15 seconds
seconds
 seconds

b)

30 seconds
seconds
 seconds

c)

45 seconds
seconds
 seconds

d)

60 seconds
seconds
 seconds
Task administration: 
Equipment: Stopwatch; worksheet.

  • Students work in pairs on this task.
  • Students may need to be shown how to start, stop, and reset the stopwatch.
Level:
2
Curriculum info: 
Maths, Geometry and Measurement, Measurement
Key Competencies: 
Relating to others
Keywords: 
time, seconds, estimation, peer assessment
Description of task: 
In this practical task, students work in pairs to estimate how much time they think has passed. One student estimates while the other times.
Curriculum Links: 
This resource can help to identify students' understanding of applying measurement sense to time for the Measurement objectives.
Answers/responses: 

 

  

2 marks
or
1 mark

 a)

Estimate is in the range 12-18 seconds. 
Estimate is in the range 10-20 seconds.

2 marks
or
1 mark

 b)

Estimate is in the range 26-34 seconds. 
Estimate is in the range 24-36 seconds.

2 marks
or
1 mark

 c)

Estimate is in the range 40-50 seconds. 
Estimate is in the range 38-52 seconds.

2 marks
or
1 mark

 d)

Estimate is in the range 55 seconds-1 minute 5 seconds. 
Estimate is in the range 50 seconds-1 minute 10 seconds.