With this scavenger hunt students will explore number lines using their knowledge of addition, subtraction, and even multiplication. ContentsVocabulary Posters 20 scavenger hunt cards (color/black and white) Worksheet Answer key How to Use1. Print the Number Lines Scavenger Hunt cards on card stock or brightly-colored paper and cut them apart along the dotted lines. 2. Make copies of the Number Lines Scavenger Hunt questions worksheet (2-sided). Each student needs a copy. 3. Place the Number