How many playing cards?

This Application Problem is a part of the Lesson 5, Unit 2, Grade 2. Ethan has 8 fewer playing cards than Tristan. Tristan has 50 playing cards. How many playing cards does Ethan have? This compare with smaller unknown problem uses the word fewer, which probably will suggest subtraction to students. The numbers were purposely chosen so students have the opportunity to use the take from ten strategy to solve.