Teaching pack · Year 8 Measurementseegongsik /au
Circles: a week of ready-to-teach maths
Five days of lessons for Year 8 Measurement. Print this pack and the week is prepared.
AC9M8M03
solve problems involving the circumference and area of a circle using formulas and appropriate units
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: “The parts of a circle”, “Pi: Unrolling the Circumference”, “Circumference of a circle”, “Circle Area: Wedges into a Rectangle”, “Working a circle problem”.
seegongsik.com/au/y8/measurement/AC9M8M03
Aligned to Australian Curriculum V9 (AC9M8M03). 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 | The parts of a circle | Practise the idea with talk, board and worksheet | Board: The parts of a circle |
| 2 | Pi: Unrolling the Circumference | Practise the idea with talk, board and worksheet | Board: Pi: Unrolling the Circumference |
| 3 | Circumference of a circle | Practise the idea with talk, board and worksheet | Board: Circumference of a circle |
| 4 | Circle Area: Wedges into a Rectangle | Practise the idea with talk, board and worksheet | Board: Circle Area: Wedges into a Rectangle |
| 5 | Working a circle problem | Practise the idea with talk, board and worksheet | Board: Working a circle problem |
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 circles. Ask: What did you practise today?
seegongsik.com/au/y8/measurement/AC9M8M03/pack
Day 1 · Teacher planDay 1 of 5
The parts of a circle
Children practise “The parts of a circle” with talk, the board picture, and a short worksheet. About 40 minutes.
We are learning to
- explain the parts of a circle in Year 8 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 parts of a circle”,
- 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 parts of a circle”. 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 parts of a circle” on screen for the main block.
seegongsik.com/au/y8/measurement/AC9M8M03
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 parts of a circle.
Day 1 · Worksheet
The parts of a circle
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
Pi: Unrolling the Circumference
Children practise “Pi: Unrolling the Circumference” with talk, the board picture, and a short worksheet. About 40 minutes.
We are learning to
- explain pi: unrolling the circumference in Year 8 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 “Pi: Unrolling the Circumference”,
- 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 “Pi: Unrolling the Circumference”. 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 “Pi: Unrolling the Circumference” on screen for the main block.
seegongsik.com/au/y8/measurement/AC9M8M03
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 pi: unrolling the circumference.
Day 2 · Worksheet
Pi: Unrolling the Circumference
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
Circumference of a circle
Children practise “Circumference of a circle” with talk, the board picture, and a short worksheet. About 40 minutes.
We are learning to
- explain circumference of a circle in Year 8 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 “Circumference of a circle”,
- 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 “Circumference of a circle”. 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 “Circumference of a circle” on screen for the main block.
seegongsik.com/au/y8/measurement/AC9M8M03
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 circumference of a circle.
Day 3 · Worksheet
Circumference of a circle
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
Circle Area: Wedges into a Rectangle
Children practise “Circle Area: Wedges into a Rectangle” with talk, the board picture, and a short worksheet. About 40 minutes.
We are learning to
- explain circle area: wedges into a rectangle in Year 8 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 “Circle Area: Wedges into a Rectangle”,
- 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 “Circle Area: Wedges into a Rectangle”. 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 “Circle Area: Wedges into a Rectangle” on screen for the main block.
seegongsik.com/au/y8/measurement/AC9M8M03
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 circle area: wedges into a rectangle.
Day 4 · Worksheet
Circle Area: Wedges into a Rectangle
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
Working a circle problem
Children practise “Working a circle problem” with talk, the board picture, and a short worksheet. About 40 minutes.
We are learning to
- explain working a circle problem in Year 8 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 “Working a circle problem”,
- 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 “Working a circle problem”. 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 “Working a circle problem” on screen for the main block.
seegongsik.com/au/y8/measurement/AC9M8M03
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 working a circle problem.
Day 5 · Worksheet
Working a circle problem
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 Circles
Cut out. Hold up a card and give an example.
The parts of a circle
Give an example.
Pi: Unrolling the Circumference
Give an example.
Circumference of a circle
Give an example.
Circle Area: Wedges into a Rectangle
Give an example.
Working a circle problem
Give an example.
Store in an envelope labelled AC9M8M03.
Mini-check · End of week
Show what you know: Circles
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 (circles) 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.