Enlargements and Scale Factors - Short Problems

Growing Ls

KS 3 Short Challenge Level:

Challenge Level:2 Challenge Level:2

Can you fit Ls together to make larger versions of themselves?

Growing Triangle

KS 3 Short Challenge Level:

Challenge Level:2 Challenge Level:2

If the base and height of a triangle are increased by different percentages, what happens to its area?

Televisual Technology

KS 4 Short Challenge Level:

Challenge Level:2 Challenge Level:2

Weekly Problem 27 - 2012
Television screens have changed from the traditional 4:3 to widescreen 16:9. If a new television and an old television have the same area, what is the ratio of their widths?

Similar Rectangles

KS 4 Short Challenge Level:

Challenge Level:2 Challenge Level:2

Can you find the missing length?