More Fraction Situations

Which of the following problems are story problems for  and which are not? Why?

a. Eileen is making 2/3 of a recipe of chocolate chip cookies. The full recipe calls for 1/4 cup of butter. How much butter should Eileen use?

b. 1/4 of the students in Mrs. Brown’s class take music lessons after school. 2/3 of those children will participate in the end of year performance. How many children will be in the performance?

c. 1/4 of the students in Mrs. Brown’s class take music lessons after school. 2/3 of those children will participate in the end of year performance. What fraction of the students in Mrs. Brown’s class will be in the performance?

d. Victor is making snack packs that each contains 1/4 of a packet of gummy bears. 2/3 of Victor’s snack packs have been bought. What fraction of Victor’s gummy bear packets has been bought?

(Source: Adapted from Mathematics for Elementary Teachers, Sybilla Beckman, 2nd ed., 2008)