Mrs. J's Math Mystery collection from 1st to 6th grade. Grab all of the math mysteries to engage and motivate your students and differentiate across grade levels! FAQ: Will I be adding more math mysteries to this bundle? A: Yes, I will add new 1st-6th Grade Math Mysteries to this bundle until it reaches the maximum capacity of 500 items. Some titles are the same across grades, which is great for differentiation. Some titles are available for some grades and not others. Please check the individu