The Fraction Wrap-ups come with 10 keys and cover simple fractions concepts from, identifying fractional parts of a whole, increasing and reducing denominators, fractional parts of a group, simple addition and subtraction of fractions with common denominators, and fractions to decimal equivalents. Wrap the string from the problem on the left to the answer on the right. Simply turn it over to see if you got it right. Also available in addition, subtraction and multiplication.