We heard the story of “Titch” by Pat Hutchins. Then we had to decide which things to pack for Titch’s, Mary’s and Pete’s lunches.
We compared the weights of a variety of snacks. The problem was we needed to compare 3 things but our balances only had 2 sides! In the end, we found the lightest things for Titch and the heaviest things for Pete! Mary had the ‘second heaviest’!