This arithmetic theme park multi-step word problems activity has 3rd to 5th graders solve ticket problems and match each answer to a ride. Answer key included.

This double digit addition with regrouping worksheet gives 2nd graders eight column-form problems that all trade ten ones for a new ten, plus a word problem. Answer key included for fast, no-prep practice.

This Adding Millions Regrouping Worksheet gives 5th graders six column-addition problems and three real-world word problems, plus an error-analysis question. An answer key is included, so checking seven-digit sums takes seconds.

This astronaut double digit subtraction regroup worksheet gives 2nd graders twelve two-digit problems that each need a trade, plus an answer key, so regrouping becomes a steady habit.

This add millions no regrouping worksheet helps 5th grade students add 8- and 9-digit numbers and solve two word problems, with an answer key included for quick, easy checking.

This triple digit number addition regroup worksheet gives 2nd Grade students twelve stacked problems that all regroup, building place-value fluency. An answer key is included so every sum can be checked in seconds.

This Triple Digit Adding Regroup Worksheet gives 2nd Grade students six column problems and two word problems on three digit addition with regrouping, plus a full answer key.

This movie math add and subtract multi-digit numbers activity is a popcorn board game for 3rd to 5th grade with 24 ticket cards that all need regrouping. A practice page and answer key are included.

In this 4.NBT.4 Fourth Grade Common Core Lesson, students add and subtract multi-digit whole numbers.