Teaching pack · Year 7 Measurementseegongsik /au
Angles on a transversal: a week of ready-to-teach maths
Five days of lessons for Year 7 Measurement. Print this pack and the week is prepared.
AC9M7M04
identify corresponding, alternate and co-interior relationships between angles formed when parallel lines are crossed by a transversal; use them to solve problems and explain reasons
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: “Parallel lines and a transversal”, “Finding an unknown angle”, “Angles at a single crossing”, “One angle fixes all eight”, “Finding a co-interior angle”.
seegongsik.com/au/y7/measurement/AC9M7M04
Aligned to Australian Curriculum V9 (AC9M7M04). 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 | Parallel lines and a transversal | Practise the idea with talk, board and worksheet | Board: Parallel lines and a transversal |
| 2 | Finding an unknown angle | Practise the idea with talk, board and worksheet | Board: Finding an unknown angle |
| 3 | Angles at a single crossing | Practise the idea with talk, board and worksheet | Board: Angles at a single crossing |
| 4 | One angle fixes all eight | Practise the idea with talk, board and worksheet | Board: One angle fixes all eight |
| 5 | Finding a co-interior angle | Practise the idea with talk, board and worksheet | Board: Finding a co-interior angle |
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 angles on a transversal. Ask: What did you practise today?
seegongsik.com/au/y7/measurement/AC9M7M04/pack
Day 1 · Teacher planDay 1 of 5
Parallel lines and a transversal
Children practise “Parallel lines and a transversal” with talk, the board picture, and a short worksheet. About 40 minutes.
We are learning to
- explain parallel lines and a transversal 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 “Parallel lines and a transversal”,
- 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 “Parallel lines and a transversal”. 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 “Parallel lines and a transversal” on screen for the main block.
seegongsik.com/au/y7/measurement/AC9M7M04
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 parallel lines and a transversal.
Day 1 · Worksheet
Parallel lines and a transversal
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
Finding an unknown angle
Children practise “Finding an unknown angle” with talk, the board picture, and a short worksheet. About 40 minutes.
We are learning to
- explain finding an unknown angle 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 “Finding an unknown angle”,
- 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 “Finding an unknown angle”. 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 “Finding an unknown angle” on screen for the main block.
seegongsik.com/au/y7/measurement/AC9M7M04
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 finding an unknown angle.
Day 2 · Worksheet
Finding an unknown angle
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
Angles at a single crossing
Children practise “Angles at a single crossing” with talk, the board picture, and a short worksheet. About 40 minutes.
We are learning to
- explain angles at a single crossing 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 “Angles at a single crossing”,
- 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 “Angles at a single crossing”. 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 “Angles at a single crossing” on screen for the main block.
seegongsik.com/au/y7/measurement/AC9M7M04
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 angles at a single crossing.
Day 3 · Worksheet
Angles at a single crossing
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
One angle fixes all eight
Children practise “One angle fixes all eight” with talk, the board picture, and a short worksheet. About 40 minutes.
We are learning to
- explain one angle fixes all eight 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 “One angle fixes all eight”,
- 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 “One angle fixes all eight”. 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 “One angle fixes all eight” on screen for the main block.
seegongsik.com/au/y7/measurement/AC9M7M04
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 one angle fixes all eight.
Day 4 · Worksheet
One angle fixes all eight
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
Finding a co-interior angle
Children practise “Finding a co-interior angle” with talk, the board picture, and a short worksheet. About 40 minutes.
We are learning to
- explain finding a co-interior angle 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 “Finding a co-interior angle”,
- 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 “Finding a co-interior angle”. 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 “Finding a co-interior angle” on screen for the main block.
seegongsik.com/au/y7/measurement/AC9M7M04
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 finding a co-interior angle.
Day 5 · Worksheet
Finding a co-interior angle
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 Angles on a transversal
Cut out. Hold up a card and give an example.
Parallel lines and a transversal
Give an example.
Finding an unknown angle
Give an example.
Angles at a single crossing
Give an example.
One angle fixes all eight
Give an example.
Finding a co-interior angle
Give an example.
Store in an envelope labelled AC9M7M04.
Mini-check · End of week
Show what you know: Angles on a transversal
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 (angles on a transversal) 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.