Adding and Subtracting Numbers to 100 Worksheet Package – Check out this engaging and easy-to-use Grade 1, Grade 2, or Grade 3 math unit that helps students strengthen addition and subtraction skills. With hands-on worksheets and engaging activities, students will practice solving problems up to 100, including word problems, measurements, and mixed operations. This printable resource is perfect for classroom or home use and includes a free Google Classroom version. This unit includes 34 activit