Two Digit Addition Without Regrouping Worksheet
This two digit addition without regrouping worksheet lets 1st graders add a one-digit number to a two-digit number in twelve boxed column problems, with an answer key, building strong place-value habits.
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About this resource
Description
The two digit addition without regrouping worksheet gives first graders focused practice adding a two-digit number and a one-digit number in column form. Because no column ever adds up to ten or more, children can concentrate on one big idea: ones are added to ones, and the tens digit simply comes down. That habit of lining up place values is the foundation for regrouping, mental math, and word problems later in the year. Each problem sits in its own box so the digits stay neatly in their columns.
Using this two digit addition without regrouping worksheet is easy. Print one copy per student, read the directions together, and have children add the two numbers in each box and write the sum under the line. Twelve problems fill a single page, so most first graders finish in about ten minutes. The one-digit number sits on the bottom in most boxes and on top in a few, so students must read each problem and find the ones column instead of following a pattern. A full answer key is included on the second page for fast checking.
What’s Included
- One printable page with twelve column addition problems
- Every problem adds a two-digit number and a one-digit number
- No regrouping, so every sum stays under 100
- Boxed problems with place-value columns and a solid answer line
- A complete answer key on page two
Three Reasons This Helps Kids
- It teaches where the ones go. A one-digit number must line up under the ones, never under the tens, and twelve problems make that placement automatic.
- It builds confidence before regrouping. With no carrying, children can focus on adding the ones and bringing down the tens without juggling two steps.
- It rewards careful reading. The one-digit number moves between the top and bottom rows, so every box has to be read and solved on its own.
Ideas for Teachers and Parents
Before students write, ask them to point to the ones column in each box and say the ones fact out loud, such as “two plus five is seven.” Base-ten blocks or a hundred chart beside the page turn the same problems into a hands-on lesson: start at the bigger number and count on. Early finishers can write two new problems of their own that follow the same rule and trade with a partner. This 1st grade addition worksheet also works well as a warm-up, a homework page, or a quick check before you introduce regrouping.
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