This ten question review has three digit addition and subtraction with regrouping. It includes two word problems and one expanded form problem. An answer key is provided. Students can use whatever models, representations, and strategies they've learned (expanded form, chunking addition, adding up to subtract, number lines, hundreds/tens/ones chart, etc.) to add or subtract within 1,000. This resource can be used in small group, whole group, homework, or as a gallery walk around the classroom (