Top critical review
Reviewed in the United States on August 10, 2017
I was trying to find flashcards that went up to "18-9". I figured since this set had 86 cards and included double digit subtraction, that it card would be included. This set only goes up to "17-15". All I wanted was a set that was the opposite of single digit addition. I don't understand why I cannot easily find a subtraction set luke that.