A
stem-and-leaf diagram is a graph that shows the shape of the
data according to the data place values.

The "leaf"
of a number is usually the
last digit in a number.

The "stem"
is the remaining
digit or
digits to the left.

How to Make a Stem
and Leaf Diagram:

Example of a Stem
and Leaf Diagram

Title

Key: 0 / 6 means 6

What was the highest
temperature in Oswego?
Look at the stem part of the diagram and find the highest number.
The highest number in the stem is 10.
Look across to the leaf and make your number.
The highest temperature in Oswego was
101.