Question

Matthew has a new bunny. Matthew buys 16 one-foot sections of fence to build a rectangular pen for the bunny. Each section of fence cannot be bent or cut. What are all the possible sizes of pens Matthew can build? Show all your mathematic thinking.

Answer 1

3+3=6
16-6=10
10÷2=5
=3×5

2+2=4
16-4=12
12÷2=6
=2×6