Answer:
14 ornaments.
Explanation:
To find the amount of ornaments students can make from 3 1/2 pieces of Bristol board, you will need to divide fractions. Therefore:
Begin by converting '3 1/2' to an improper fraction.
3 1/2 =

Divide '1/4' from the total amount by multiplying by the reciprocal.

Therefore, the students can make 14 ornaments.