Celtic zodiac- i have always found my sign, Oak, amusing as i am allergic to oak trees, pollen and the dust that drifts in the air when you rake the leaves. yet i have always lived surrounded by multiple varieties of this most venerated of trees. ^ ^
I use this project when I start my multiplication unit to teach repeated addition, groups of, commutative property, and arrays. You could also replace one with a multiplication word problem and picture.