Multi-Digit Addition

Practice adding 2-digit and 3-digit numbers where you don't need to carry over any values. This helps master the column addition method before moving on to more complex problems.

Learn the crucial concept of regrouping, also known as 'carrying.' This stack focuses specifically on what to do when the sum in the ones column is 10 or more.

Extend your regrouping skills! This stack focuses on problems where you need to carry over from the tens column to the hundreds column.

Challenge yourself with problems that require regrouping more than once! Practice carrying from ones to tens and from tens to hundreds, all in a single problem.

Learn how to add a column of three or more numbers. This often involves carrying numbers greater than 1, like a 2 or 3.

Learn the essential vocabulary and rules for setting up multi-digit addition problems, including place value and how to line up numbers correctly. This is the first step to becoming an addition expert!

Apply your addition skills! Learn to estimate sums by rounding and how to solve real-world word problems that require multi-digit addition.