Resources tagged with Enlargements similar to Arrow Arithmetic 3:
Other tags that relate to Arrow Arithmetic 3
Complex numbers. Reflections. Interactivities. Representing numbers. Translations. Vector geometry. Rotations. Complex analysis. Enlargements. Symmetry.There are 15 results
Broad Topics > Transformations and their Properties > Enlargements
Arrow Arithmetic 2
Stage: 4 Challenge Level: 
Introduces the idea of a twizzle to represent number and asks how one can use this representation to add and subtract geometrically.
Arrow Arithmetic 1
Stage: 4 Challenge Level:
The first part of an investigation into how to represent numbers using geometric transformations that ultimately leads us to discover numbers not on the number line.
Transformation Game
Stage: 3 Challenge Level:
Why not challenge a friend to play this transformation game?
Quad in Quad
Stage: 4 Challenge Level:
The points P, Q, R and S are the midpoints of the edges of a convex quadrilateral. What do you notice about the quadrilateral PQRS as the convex quadrilateral changes?
Who Is the Fairest of Them All ?
Stage: 3 Challenge Level:
Explore the effect of combining enlargements.
Matter of Scale
Stage: 4 Challenge Level:
Prove Pythagoras' Theorem using enlargements and scale factors.
Fit for Photocopying
Stage: 4 Challenge Level:
Explore the relationships between different paper sizes.
L-triominoes
Stage: 4 Challenge Level:
L triominoes can fit together to make larger versions of themselves. Is every size possible to make in this way?
Squirty
Stage: 4 Challenge Level:
Using a ruler, pencil and compasses only, it is possible to construct a square inside any triangle so that all four vertices touch the sides of the triangle.
Hex
Stage: 3 Challenge Level:
Explain how the thirteen pieces making up the regular hexagon shown in the diagram can be re-assembled to form three smaller regular hexagons congruent to each other.
Arrh!
Stage: 4 Challenge Level:
Triangle ABC is equilateral. D, the midpoint of BC, is the centre of the semi-circle whose radius is R which touches AB and AC, as well as a smaller circle with radius r which also touches AB and AC. . . .
Growing Rectangles
Stage: 3 Challenge Level:
What happens to the area and volume of 2D and 3D shapes when you enlarge them?
NRICH is part of the family of activities in the Millennium Mathematics Project.