This Math Activ Studio flipchart teaches students to solve problems by using the correct operation. This lesson is aligned with the Houghton Mifflin Math Series, 6.7 - 1st grade. This lesson begins with the "Problem of the Day" which gives students a multi-step word problem. Next, the flipchart displays the daily objective, then reviews vocabulary terms needed to understand the content of the lesson: addition and subtraction. Next, the students are given a word problem that requires subtract