Math Journals - 1st, 2nd, 3rd, 4th, and 5th grade versions available. 4 prompts for each Common Core Standard
Diary of a Not So Wimpy Teacher: Teaching Students to Write About Math
Math Journal Prompts for Second Grade--FREE 16 math journal prompts. adapt for first grade.
Math Journal Sentence starters. A great way to incorporate writing in math.
Smiling and Shining in Second Grade: Math Journal Prompts for Second Grade
Miss Van Maren's Fantastic First Grade: Math Journals Update (pages that go with Go Math)
Math Journal...Love the color-coded Table of Contents! I am going to have a math Journal next year!
Math Tools for Reference! - Tunstall's Teaching Tidbits
First Grade Math Journal through the Year! Includes differentiation and scaffolds for every learner. Includes addition & subtractions, geometry, place value, measurement, and much more.