Math Vocabulary

Popularity (by total correct streak): 14
Popularity (by number of users): 4

Cards

estimation your best guess as to how many of something  
number sentence 2 + 3 = 5 or 5 - 3 = 2  
addition the total number when combining groups  
subtraction total number left when taking away from a group  

Quisition is a browser-based flashcard system that repeats old cards and introduces new ones at optimal time intervals. You can create your own card packs or use those developed by others.