Celebrate Earth Day with your students with this fun Color-by-Number basic addition worksheet! Students will love revealing the image as they answer math questions! Image features a tree with a heart in the center. Great for morning work or math centers!Follow me on Instagram:@ClassWithKristinaKey words: Earth day, Addition, Tree, Math Centers, First, Second, Third, Environment, Resources, Activities, sums, 1st, 2nd, 3rd, Holiday, Color by Code, Color by Answer & Number