I created these flash cards for review for my 5th grade students, but many of them apply to 3rd and 4th grade problem solving as well. These are also great for middle school students who struggle with solving word problems. My students were having a difficult time remembering which key word in a word problem indicates which operation. After allowing 10-15 minutes a day for the last few days, they are much more proficient as a class. I thought I would share this resource here.I grouped them i