New
New
Year 10
Higher
Constructing stem and leaf diagrams
I can construct a stem and leaf diagram.
New
New
Year 10
Higher
Constructing stem and leaf diagrams
I can construct a stem and leaf diagram.
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Lesson details
Key learning points
- The stem is made of all but the last digit of each value.
- The leaves are made from the last digit of each value.
- It is important that place value is preserved in the diagram through use of a key.
- A stem and leaf diagram can display data in strata.
Keywords
Stem and leaf diagram - A stem and leaf diagram is a systematic way to visually organise and represent numerical data.
Common misconception
That the stem always has to have the same number of digits.
Data with a range between 93 cm and 147 cm, draw the stem-and-leaf diagram but how do they write a key for it? Stress the leaf is the final single digit (all truncated so final digits have same place value), and all other digits form the stem.
The "post it" activity can be a great way to introduce a real life data investigation into your classroom. Use data engaging to your pupils, e.g. their heights. Depending on group define accuracy of the measure or look at importance of truncation. Value what can be seen from distance/up close.
Teacher tip
Licence
This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).
Lesson video
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Starter quiz
Download starter quiz
6 Questions
Q1.
Starting with the smallest, put these numbers in ascending order.
Q2.
Which of these numbers is not equivalent to the others?
12.5
12.500
12.50
Q3.
The last digit in 13.8 represents __________.
8 ones
8 tens
8 hundredths
Q4.
Simplifying a number by 'cutting off' one or more of the digits and replacing them with zeros if necessary to preserve place value is known as __________.
cutting
rounding
simplifying
Q5.
23.6473 truncated to 2 decimal places is .
Q6.
Here is a list of numbers: 56, 624, 40.6, 62, 668, 256, 60.06, 36, 0.66, 68, 62, 62.9. How many of the numbers have 6 tens?
Exit quiz
Download exit quiz
6 Questions
Q1.
What part of the stem and leaf diagram is highlighted?
the key
the stem
Q2.
The value of the highlighted data point is cm.
Q3.
The value of the highlighted data point is kg.
Q4.
Sam draws this stem and leaf diagram. Is Sam's diagram complete?
Yes, as it has a key.
Yes, as the leaves are evenly spaced.
Q5.
The highlighted leaf represents seconds.
Q6.
Sam and Andeep draw a back-to-back stem and leaf diagram to compare their classes' scores in a quiz. The lowest score in Andeep's class is more than the lowest score in Sam's class.
