Copyright © University of Cambridge. All rights reserved.

'How Much Can We Spend?' printed from https://nrich.maths.org/

Show menu


8z (3+5)
9z (3+3+3)
10z (5+5)
11z (3+3+5)
12z (3+3+3+3)
13z (3+5+5)
14z (3+3+3+5)...

What do you notice about 8z, 11z, 14z......?