1. DEVELOPING REASONING AND UNDERSTANDING
Opening out questions
Michael Hall

3. coordinates
(6,8)
(1.5,2)
(3,4)
(6,8)
(9,12)
(30,40)
What if..?

4. What other maths can we do?
(?,?)
What other maths can we do?
Reflect 3 times to make ?
Reflection
Reflect three times to make a rectangle
What if..?

5. Make a square
(3,4)
(?,?)
(?,?)
(?,?)
What if..?

6. Back to back with . . (3,4) And now to Budapest . .
and a line of symmetry
Create a triangle of you choice.
Give coordinates to partner.
Partner gives back reflected coordinates.
And now to Budapest . .

7. (1,3) is one point of an isosceles triangle with an area of 9.
How many can you find?
Year 7 activity in Budapest
Reference
Issues in mathematics teaching, ed. Gates
What if..?