Lesson 3-2 Example Solve. SOUVENIRS While on vacation, Carrie bought 10 postcards to send to her friends. Six of the postcards had a picture of a waterfall. She mailed 4 of the postcards with the waterfall on Tuesday. What fraction of the total number of postcards did she not mail on Tuesday?
Lesson 3-2 Example UnderstandRead the problem. Write what you know. Carrie bought 10 postcards. 6 of the postcards had a picture of a waterfall. She mailed 4 of the postcards with the waterfall on Tuesday.
Lesson 3-2 Example PlanPick a strategy. One strategy is to draw a diagram. Draw 10 equal parts.
Lesson 3-2 Example Solve Shade 6 parts to show the 6 postcards with waterfalls. Cross out 4 of the shaded parts to show the 4 postcards that she mailed. Count the unmarked shaded parts.
Lesson 3-2 Example Write in simplest form. So, of the postcards were not mailed on Tuesday.
Lesson 3-2 Example CheckDoes the answer make sense? Look over your solution. Did you answer the question?