Adding 2-digit numbers (sum under 100) - Exercise 1

This worksheet is designed to help second graders practice adding two-digit numbers with sums under one hundred. Students will work through a variety of addition problems, such as 35 plus 32 and 71 plus 25, reinforcing their understanding of addition concepts and improving their calculation speed. These exercises are perfect for independent practice or as part of a math station. To enhance learning, you can have students explain their thought process for a few problems aloud to a partner, which helps deepen their understanding of addition strategies.