Teaching pack · Year 7 Statisticsseegongsik /au
Range, median, mean and mode: a week of ready-to-teach maths
Five days of lessons for Year 7 Statistics. Print this pack and the week is prepared.
AC9M7ST01
acquire data sets for discrete and continuous numerical variables and calculate the range, median, mean and mode; make and justify decisions about which measures of central tendency provide useful insights into the nature of the distribution of data
Start here: five minutes to Monday
- Skim the week at a glance.
- Print the five days (plan + worksheet each).
- Cut out the card sheet once.
- Open the free interactive unit on your board.
- Teach from the plan.
On the board
On-screen pictures: “Centre and spread together”, “Median and mode”, “The mean as a balance point”, “Median with odd and even counts”, “Which measure to trust”.
seegongsik.com/au/y7/statistics/AC9M7ST01
Aligned to Australian Curriculum V9 (AC9M7ST01). Original material from seegongsik. Descriptors (c) ACARA, CC BY 4.0.
The week at a glance5 lessons
The week at a glance
One lesson a day. Run them in order where you can.
| Day | Lesson | Children learn and do | On screen |
|---|---|---|---|
| 1 | Centre and spread together | Practise the idea with talk, board and worksheet | Board: Centre and spread together |
| 2 | Median and mode | Practise the idea with talk, board and worksheet | Board: Median and mode |
| 3 | The mean as a balance point | Practise the idea with talk, board and worksheet | Board: The mean as a balance point |
| 4 | Median with odd and even counts | Practise the idea with talk, board and worksheet | Board: Median with odd and even counts |
| 5 | Which measure to trust | Practise the idea with talk, board and worksheet | Board: Which measure to trust |
Materials
- This pack printed.
- Pencils and the board or projector.
- Optional counters or rulers if a day plan names them.
A note home
This week in maths we work on range, median, mean and mode. Ask: What did you practise today?
seegongsik.com/au/y7/statistics/AC9M7ST01/pack
Day 1 · Teacher planDay 1 of 5
Centre and spread together
Children practise “Centre and spread together” with talk, the board picture, and a short worksheet. About 40 minutes.
We are learning to
- explain centre and spread together in Year 7 words,
- use the board picture to check thinking,
- record an example on paper.
Success criteria
- I can show one example of today’s idea.
- I can say the idea in a short sentence.
You need
- interactive unit open on “Centre and spread together”,
- worksheet (next sheet), one per child,
Lesson flow (about 40 minutes)
| 5 min | Warm-up Ask: “What might help us today?” |
| 10 min | On the board Open “Centre and spread together”. Ask: “What changed on the screen?” |
| 15 min | Worksheet Children complete the day sheet. |
| 10 min | Share Ask: “In one sentence, what was today’s idea?” |
On the board
Leave “Centre and spread together” on screen for the main block.
seegongsik.com/au/y7/statistics/AC9M7ST01
Watch for
- Skipping the board -- bring them back to the picture.
- Correct answer with no explanation -- ask how do you know?
Answers and look-fors
- Meeting the idea sounds like a clear sentence about centre and spread together.
Day 1 · Worksheet
Centre and spread together
NameClassDate
Use the board picture. Show your thinking.
1. Draw or write one example from the board.
2. What is the main idea in your words?
3. Make a second example of your own.
I know I am right because
I can teach this idea to a partner:Yes □ No □
Day 2 · Teacher planDay 2 of 5
Median and mode
Children practise “Median and mode” with talk, the board picture, and a short worksheet. About 40 minutes.
We are learning to
- explain median and mode in Year 7 words,
- use the board picture to check thinking,
- record an example on paper.
Success criteria
- I can show one example of today’s idea.
- I can say the idea in a short sentence.
You need
- interactive unit open on “Median and mode”,
- worksheet (next sheet), one per child,
Lesson flow (about 40 minutes)
| 5 min | Warm-up Ask: “What might help us today?” |
| 10 min | On the board Open “Median and mode”. Ask: “What changed on the screen?” |
| 15 min | Worksheet Children complete the day sheet. |
| 10 min | Share Ask: “In one sentence, what was today’s idea?” |
On the board
Leave “Median and mode” on screen for the main block.
seegongsik.com/au/y7/statistics/AC9M7ST01
Watch for
- Skipping the board -- bring them back to the picture.
- Correct answer with no explanation -- ask how do you know?
Answers and look-fors
- Meeting the idea sounds like a clear sentence about median and mode.
Day 2 · Worksheet
Median and mode
NameClassDate
Use the board picture. Show your thinking.
1. Draw or write one example from the board.
2. What is the main idea in your words?
3. Make a second example of your own.
I know I am right because
I can teach this idea to a partner:Yes □ No □
Day 3 · Teacher planDay 3 of 5
The mean as a balance point
Children practise “The mean as a balance point” with talk, the board picture, and a short worksheet. About 40 minutes.
We are learning to
- explain the mean as a balance point in Year 7 words,
- use the board picture to check thinking,
- record an example on paper.
Success criteria
- I can show one example of today’s idea.
- I can say the idea in a short sentence.
You need
- interactive unit open on “The mean as a balance point”,
- worksheet (next sheet), one per child,
Lesson flow (about 40 minutes)
| 5 min | Warm-up Ask: “What might help us today?” |
| 10 min | On the board Open “The mean as a balance point”. Ask: “What changed on the screen?” |
| 15 min | Worksheet Children complete the day sheet. |
| 10 min | Share Ask: “In one sentence, what was today’s idea?” |
On the board
Leave “The mean as a balance point” on screen for the main block.
seegongsik.com/au/y7/statistics/AC9M7ST01
Watch for
- Skipping the board -- bring them back to the picture.
- Correct answer with no explanation -- ask how do you know?
Answers and look-fors
- Meeting the idea sounds like a clear sentence about the mean as a balance point.
Day 3 · Worksheet
The mean as a balance point
NameClassDate
Use the board picture. Show your thinking.
1. Draw or write one example from the board.
2. What is the main idea in your words?
3. Make a second example of your own.
I know I am right because
I can teach this idea to a partner:Yes □ No □
Day 4 · Teacher planDay 4 of 5
Median with odd and even counts
Children practise “Median with odd and even counts” with talk, the board picture, and a short worksheet. About 40 minutes.
We are learning to
- explain median with odd and even counts in Year 7 words,
- use the board picture to check thinking,
- record an example on paper.
Success criteria
- I can show one example of today’s idea.
- I can say the idea in a short sentence.
You need
- interactive unit open on “Median with odd and even counts”,
- worksheet (next sheet), one per child,
Lesson flow (about 40 minutes)
| 5 min | Warm-up Ask: “What might help us today?” |
| 10 min | On the board Open “Median with odd and even counts”. Ask: “What changed on the screen?” |
| 15 min | Worksheet Children complete the day sheet. |
| 10 min | Share Ask: “In one sentence, what was today’s idea?” |
On the board
Leave “Median with odd and even counts” on screen for the main block.
seegongsik.com/au/y7/statistics/AC9M7ST01
Watch for
- Skipping the board -- bring them back to the picture.
- Correct answer with no explanation -- ask how do you know?
Answers and look-fors
- Meeting the idea sounds like a clear sentence about median with odd and even counts.
Day 4 · Worksheet
Median with odd and even counts
NameClassDate
Use the board picture. Show your thinking.
1. Draw or write one example from the board.
2. What is the main idea in your words?
3. Make a second example of your own.
I know I am right because
I can teach this idea to a partner:Yes □ No □
Day 5 · Teacher planDay 5 of 5
Which measure to trust
Children practise “Which measure to trust” with talk, the board picture, and a short worksheet. About 40 minutes.
We are learning to
- explain which measure to trust in Year 7 words,
- use the board picture to check thinking,
- record an example on paper.
Success criteria
- I can show one example of today’s idea.
- I can say the idea in a short sentence.
You need
- interactive unit open on “Which measure to trust”,
- worksheet (next sheet), one per child,
Lesson flow (about 40 minutes)
| 5 min | Warm-up Ask: “What might help us today?” |
| 10 min | On the board Open “Which measure to trust”. Ask: “What changed on the screen?” |
| 15 min | Worksheet Children complete the day sheet. |
| 10 min | Share Ask: “In one sentence, what was today’s idea?” |
On the board
Leave “Which measure to trust” on screen for the main block.
seegongsik.com/au/y7/statistics/AC9M7ST01
Watch for
- Skipping the board -- bring them back to the picture.
- Correct answer with no explanation -- ask how do you know?
Answers and look-fors
- Meeting the idea sounds like a clear sentence about which measure to trust.
Day 5 · Worksheet
Which measure to trust
NameClassDate
Use the board picture. Show your thinking.
1. Draw or write one example from the board.
2. What is the main idea in your words?
3. Make a second example of your own.
I know I am right because
I can teach this idea to a partner:Yes □ No □
Cut-out cardsReuse all week
Talk cards for Range, median, mean and mode
Cut out. Hold up a card and give an example.
Centre and spread together
Give an example.
Median and mode
Give an example.
The mean as a balance point
Give an example.
Median with odd and even counts
Give an example.
Which measure to trust
Give an example.
Store in an envelope labelled AC9M7ST01.
Mini-check · End of week
Show what you know: Range, median, mean and mode
NameClassDate
Work on your own. Use pictures or numbers.
1. Draw or write the big idea of this week.
2. Give one clear example.
3. Give a second different example.
4. What mistake should we watch for?
I can explain this idea to a partner:Yes □ No □
Mini-check · AnswersTeacher
Answers and look-fors
- Item 1 names the unit idea (range, median, mean and mode) in child words.
- Items 2-3: two different correct examples.
- Item 4: a real muddle for this topic.
Use day-plan look-fors across the week.