Teaching pack · Year 7 Numberseegongsik /au
Rounding and estimation: a week of ready-to-teach maths
Five days of lessons for Year 7 Number. Print this pack and the week is prepared.
AC9M7N05
round decimals to a given accuracy appropriate to the context and use appropriate rounding and estimation to check the reasonableness of solutions
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: “Rounding is about closeness”, “Estimating to check”, “Same number, different accuracy”, “One digit decides”, “Estimating a division”.
seegongsik.com/au/y7/number/AC9M7N05
Aligned to Australian Curriculum V9 (AC9M7N05). 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 | Rounding is about closeness | Practise the idea with talk, board and worksheet | Board: Rounding is about closeness |
| 2 | Estimating to check | Practise the idea with talk, board and worksheet | Board: Estimating to check |
| 3 | Same number, different accuracy | Practise the idea with talk, board and worksheet | Board: Same number, different accuracy |
| 4 | One digit decides | Practise the idea with talk, board and worksheet | Board: One digit decides |
| 5 | Estimating a division | Practise the idea with talk, board and worksheet | Board: Estimating a division |
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 rounding and estimation. Ask: What did you practise today?
seegongsik.com/au/y7/number/AC9M7N05/pack
Day 1 · Teacher planDay 1 of 5
Rounding is about closeness
Children practise “Rounding is about closeness” with talk, the board picture, and a short worksheet. About 40 minutes.
We are learning to
- explain rounding is about closeness 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 “Rounding is about closeness”,
- 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 “Rounding is about closeness”. 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 “Rounding is about closeness” on screen for the main block.
seegongsik.com/au/y7/number/AC9M7N05
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 rounding is about closeness.
Day 1 · Worksheet
Rounding is about closeness
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
Estimating to check
Children practise “Estimating to check” with talk, the board picture, and a short worksheet. About 40 minutes.
We are learning to
- explain estimating to check 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 “Estimating to check”,
- 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 “Estimating to check”. 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 “Estimating to check” on screen for the main block.
seegongsik.com/au/y7/number/AC9M7N05
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 estimating to check.
Day 2 · Worksheet
Estimating to check
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
Same number, different accuracy
Children practise “Same number, different accuracy” with talk, the board picture, and a short worksheet. About 40 minutes.
We are learning to
- explain same number, different accuracy 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 “Same number, different accuracy”,
- 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 “Same number, different accuracy”. 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 “Same number, different accuracy” on screen for the main block.
seegongsik.com/au/y7/number/AC9M7N05
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 same number, different accuracy.
Day 3 · Worksheet
Same number, different accuracy
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 digit decides
Children practise “One digit decides” with talk, the board picture, and a short worksheet. About 40 minutes.
We are learning to
- explain one digit decides 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 digit decides”,
- 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 digit decides”. 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 digit decides” on screen for the main block.
seegongsik.com/au/y7/number/AC9M7N05
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 digit decides.
Day 4 · Worksheet
One digit decides
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
Estimating a division
Children practise “Estimating a division” with talk, the board picture, and a short worksheet. About 40 minutes.
We are learning to
- explain estimating a division 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 “Estimating a division”,
- 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 “Estimating a division”. 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 “Estimating a division” on screen for the main block.
seegongsik.com/au/y7/number/AC9M7N05
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 estimating a division.
Day 5 · Worksheet
Estimating a division
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 Rounding and estimation
Cut out. Hold up a card and give an example.
Rounding is about closeness
Give an example.
Estimating to check
Give an example.
Same number, different accuracy
Give an example.
One digit decides
Give an example.
Estimating a division
Give an example.
Store in an envelope labelled AC9M7N05.
Mini-check · End of week
Show what you know: Rounding and estimation
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 (rounding and estimation) 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.