1. To Assess my Understanding of Scale Drawings and Plans 18-Nov-18
Today’s Title.
Today’s Date
To Assess my Understanding of Scale Drawings and Plans
18-Nov-18
To Assess my Understanding of
Scale Drawings and Plans
? / 09 / 15
Copy down the Title and Date and underline them.
Starter Activity
Complete the ‘Heard the Word Grid.’
Are there any key words that you have learnt or have a better understanding of now than you did at the start of this unit of work?

2. Estimate Accurate Scale Drawing Dimension Loci Equidistant
Key Words / symbols
Never heard before?
Heard of but not sure what it means?
Know what it means and can explain it in context
Jot down your ideas here...
Estimate
Accurate
Scale Drawing
Dimension
Loci
Equidistant

3. 1 Question and Answers Fluency Problem Solving Reasoning
Measure the length of the line to the nearest mm
Problem Solving
How much longer is line A than line B?
Reasoning
The diagram below shows how Jane used a ruler to measure a line.
Jane says the line is 51mm long.
Convince me that Jane is wrong. A B

4. This is a sketch of the car park. The scale is 1cm = 10 metres. 2
Questions and Answers
Fluency
This is a sketch of the car park.
The scale is 1cm = 10 metres.
In real life, how far is it from:
A to C
C to B
Problem Solving
Two of the measurements on the sketch are missing.
Work out how long each side is on the sketch.
Then work out how long these sides are in real life.
Reasoning
Convince me that if I walked all the way around the outside of the car park (the perimeter), I would have walked more than 300m. ?

5. Explain why 1cm = 10 metres is not a sensible scale to use.3
Questions and Answer
Fluency
The diagram shows a field with length of 550 metres and width of 400 metres.
Use a scale of 1 cm to 50 m to make an accurate scale drawing of the field. Draw this in your book.
Problem Solving
Find the diagonal distance across the field. Give your answer to the nearest metre.
Reasoning
Explain why 1cm = 10 metres is not a sensible scale to use.
550m
400m

6. 4
Question and Answer
Fluency
The diagram shows a scale drawing of a garden.
Scale 1cm represents 2m
Work out the real distance from the Fountain to the bench.

7. Answers and Working Out4
Question
Answers and Working Out
Problem Solving
On a map with a scale of
1: the distance between Edinburgh and London is 18cm.
What is the actual distance, in km, between these two cities?
Reasoning
The distance between London and Birmingham is 165km.
Which of these scales would be the most sensible to use on a map? 1: 1:

8. 5
Questions and Answers
Fluency
A ship sails along equidistant from two lighthouses A and B.
On the diagram draw the locus of the ship.

9. 5
Question
Answer and Working Out
Problem Solving
The diagram show the position of two shops, A and B, on a map.
The scale of the map is 1cm represents 5km.
Yannis wants to build a warehouse.
The warehouse needs to be:-
Less than 10km from A.
Less than 20km from B.
Show by shading where Yannis can build the warehouse.

10. 5
Questions and Answers
Reasoning
Imagine placing counters so that their centres are always 2cm from line segment AB.
Convince me that locus is not a rectangle. A B

11. Use the space below to set yourself a question similar to the ones you were able to answer confidently.
Use the space below to answer the question that you have set yourself
My own question…
My answer…

12. Scale Drawings, Maps and Plans.5 4 3 2 1
Scale Drawings, Maps and Plans.
I can draw and measure lines accurately.
I can work out ‘real life’ dimensions from a simple plan.
I can draw an accurate plan when I am told what scale to use.
I can decide upon an appropriate scale to use when constructing plans or maps.
I can work out actual distance from a scale on a map.
I can work out the scale that was used from a plan, when I know the ‘real life’ dimensions.
I can solve problems involving loci and scale drawings.

13. My teachers probing question
My answer
What I will do to act upon my ‘Even Better If’’ comment
Strategy
Tick the strategy you will use.
Complete a mymaths lesson or booster pack
Use a revision guide or text book
Ask my teacher to explain during a lesson
Ask a peer to explain during a lesson
Ask someone at home to help
Attend a revision session at school
Attend homework club
Something else (describe your strategy here)
Dialogue marking sheet.