Calendar calculations

Calendar calculations

Auto-markingPencil and paperOnline interactive
Overview
Using this Resource
Connecting to the Curriculum
Marking Student Responses
Working with Students
Further Resources
This task is about working out days and dates with a calendar.
 
 
Here is a calendar for the month of April.

April

Answer each of these questions based on this calendar.

Question 2Change answer

a)  Rebecca went to Taupō on Wednesday the 7th of April. She returned home 19 days later.
     She arrived home on the th of April.

Question 2Change answer

b)  Viliame went to Fiji. He was away for 7 days. He left on the 28th of April.
     What was the date he got home?  of .

Question 2Change answer

c)  Rex went to England. He was away for 70 days. He left on a Monday.
     What day of the week did he return on? 

Question 2Change answer

d)  Rachel went to Australia on March 27th and returned on April 18th.
     How many days was she away for? 

Question 2Change answer

e)  Ra went to stay with his grandmother.
     He left on the 19th of March and returned home on the 21st of May. 
     How many days was he away for? 
Task administration: 
This task can be completed with pencil and paper or online (with auto marking displayed to students).
Level:
3
Curriculum info: 
Maths, Geometry and Measurement, Measurement
Keywords: 
time, chart interpretation, months, weeks, days
Description of task: 
Students use a calendar of one month of the year to assist them in making time calculations.
Curriculum Links: 
This resource can help to identify students' understanding of  applying measurement sense to interpreting calendars and calculation with time for the Measurement objectives.
Answers/responses: 
   Y7 (03/1999)
a) 26 easy
b) 5 May moderate
c) Monday difficult
d) 22 difficult
e) 63 very difficult
Diagnostic and formative information: 
  Common error Likely reason
a)
b)
c)
d)
e)		 25
4 May
Sunday
23
64		 Includes in the calculation the day that the trip began and the day it ended on.
a)
b)
c)
d)
e)		 27
6 May
Tuesday
21
62		 Excludes from the calculation the day that the trip began and the day it ended on.

NOTE: Students do not consistently apply the "inclusive" or "exclusive" rules for all 5 parts. They sometimes use the "inclusive" rule for one question and the "exclusive" rule for the another.