Here are some great elementary level lessons on First Nations culture that are available on-line as well as in hard copy. The resources are free and are available in both French and English. The resources can be ordered on-line from Indian and Northern Affairs Canada.These lessons are appropriate for ages 4-14.
The Learning Circle (ages 4-7) (parts 1 and 2)
The Learning Circle (ages 8-11)
The Learning Circle (age 12-14)