Make teaching addition and subtraction fun with this 4th grade hands-on math unit! This 4th grade math unit covers standard 4.NBT.4. Your students will work with large numbers and will learn about solving addition and subtraction equations and word problems.✏️What's included in this adding and subtracting large numbers unit:✏️Unit overview that shows which lesson is being taught each dayVocabulary and Definition Cards that help your students learn new vocabulary and incorporate it into their mat