Adding whole hundreds (3 addends) - Exercise 1

This worksheet is designed for first graders to practice adding whole hundreds with three addends. Students will tackle a series of addition problems, such as finding the sum of 100, 400, and 300. This exercise not only sharpens their addition skills but also helps them build confidence in working with larger numbers. You can use this worksheet as an engaging independent activity, or as part of a small-group lesson to reinforce addition concepts. Consider starting the lesson with a fun counting game to warm up their minds before diving into the problems!