This appealing addition worksheet provides additional opportunities for first-grade students to practice adding two-digit numbers using the number line addition approach. The worksheet comprises five different practice problems, with each problem asking learners to use the number line addition strategy to add two whole numbers within 100. This worksheet is thoughtfully designed to help students gain a better understanding of how to use place value when adding two-digit numbers. To further reinforce this skill, you can also explore the other worksheets in this series: Adding Two-Digit Numbers on an Open Number Line #1 and Adding Two-Digit Numbers on an Open Number Line #2.