Activities, Assessments, and Ideas for The First Day of Math Class If ever there was a PERFECT first day of math class activity… this would be it. Makes a math bulletin board This activity will work in elementary Upper grades, middle school, and even high school based on the rigor you set through discussions, and expectations. This activity leads to meaningful discussion, an increased awareness of numbers, and an improved appreciation for mathematics. Great for first day of math class 5th grade