Using clock faces

Using clock faces

Pencil and paper
Overview
Connecting to the Curriculum
Marking Student Responses
Working with Students
Further Resources
This task is about showing time.
 
a)
Ben waited for the bus for 20 minutes. If he reached the bus stop at 7:40 a.m., at what time did the bus come?
 
__________
 
b)
Melanie ate her lunch in 10 minutes. She finished eating at 12:35 p.m.
On the clock face, show the time she started eating.
 

 
c) Show the time that is on each digital clock on the clock face below it.
 
    i)             ii)            iii)     

              

 
Level:
2
Curriculum info: 
Maths, Geometry and Measurement, Measurement
Keywords: 
analogue time, digital time, hours, minutes
Description of task: 
Students carry out time calculations and show digital times on analogue clock faces.
Curriculum Links: 
This resource can help to identify students' understanding of duration of of events and reading a scale for the Measurement objectives.
Answers/responses: 
  Y5 (06/1998)
a)   8 a.m. or 8 o'clock moderate
b)   Clock face showing 12:25 p.m. (accept if hour hand points to 12). moderate

c)

i)

 

ii)

 

iii)

Clock shows 1:15 and hour hand points past 1 but before 2.

Clock shows 1:15 but hour hand points at 1.

Clock shows 2:30 and hour hand points past 2 but before 3.

Clock shows 2:30 but hour hand points at 2.

Clock shows 4:45 and hour hand points past 4 but before 5.

Clocks shows 4:45 but hour hand points at 4.

2 marks – moderate

1 mark – easy

2 marks – difficult

1 mark – easy

2 marks – difficult

1 mark – easy
Diagnostic and formative information: 
  Common error Likely reason
a) 7:60 Fails to recode 60 minutes as 1 hour.
c) i)
    ii)
    iii)		 1:25
2:15
4:20:25
Interprets minute hand on 3 to represent 30 minutes.
Interprets minute hand on 4 to represent 40 minutes.