AFRICAN
I NSTITUTE
F OR
M ATHEMATICAL
S CIENCES
SCHOOLS
E NRICHMENT
C ENTRE
TEACHER
N ETWORK
HAPPY BIRTHDAY
Class 4 have made a bar chart showing the months
of their birthdays.
Which is the month with no birthdays?
Which months have four birthdays?
How many children are in the class?
Make a birthday bar chart for your class by writing your name or initials in one of the boxes in the column
for your birth month in this chart.
SOLUTION
In the chart for Class 4 July has no birthdays.
March, April, September and November have 4 birthdays.
There are 30 children in the class.