We had a few solutions submitted that showed different ways of working. First we had 4th Class A from Scoil Bhríde School Ireland;
Answer = 5 hens.
5 hens would have 10 feet.
3 sheep would have 12 feet.
Penny and Laura from Wellesworth Junior School in Canada wrote;
Each head represents an animal. We varied the number of legs under each animal until we got the number 22. Our final number is 5 hens in all.
Rowan from Ludgvan School, Cornwall sent in the following;
My dad helped with the pictures and photos.
Georgina Rothney from Brockton Primary School wrote;
Heads and feet.
If there are 8 heads and 22 feet then there are 5 hens = 10 feet.
There are 3 sheep = 12 feet.
5+3 heads = 8 heads
10+12 feet =22 feet
Leyi from Belvedere Infant school wrote;
I think it is 5 hens and 3 sheep because I used my 2 and 4 times tables
(5x2)+(3x4)= 10 +12=22 feet
then I made sure that they belong to 8 animals 5+3=8 heads or animals
Thanks for all your solutions!