Math Journal Prompts and Writing Activities - Write On! Students can write in math class, too! 21 math journal prompts. Each slide is a different writing activity that will spark creativity and imagination, as well as hone those skills. You can choose to display on your whiteboard or print out the slides on index cards and use in a math center. These writing prompts can also be used to add to interactive notebooks. However you use them, you will be giving your students the opportunity to write about math. The new common core standards require more writing in content areas. Here are some ideas that will help you get started.