This resource includes 20 addition and subtraction word problems within 100. All of the word problems are related to protecting the Earth in honor of Earth Day. You can assign these Google Slides on Google Classroom or use the printables for sub work, daily warm ups, or exit tickets.In the Google Slides version, students manipulate virtual place value blocks to show their work in a tens and ones chart on each slide. There are a variety of problems with and without regrouping.This distance learni