Curated OER
Four-Digit Plus Three-Digit Addition (A)
The worksheet provides 100 problems that require adding four and three-digit numbers. The answer key is included.
Curated OER
Three-Digit Plus Two-Digit Addition (A)
Young mathematicians solve 100 problems that require adding three-digit and two-digit numbers. Regrouping is required. The answer key is provided.
Curated OER
Christmas Addition
Get in the Christmas spirit with this set of addition worksheets, which each feature an image for young scholars to color in before they solve twelve equations. Learners will get an extra challenge as they deal with all three-digit...
Curated OER
Three-digit Addition
In this math worksheet, learners solve 13 three-digit addition problems. Students may also color in the border, which includes bees and a hive.
Curated OER
Three-digit Addition
In this math worksheet, students solve 17 three-digit addition problems. Students may also color in a border, which includes an illustration of a snake.
Mr. Martini's Classroom
Mr. Martini's Classroom: Math Addition With Carrying 2, 3, and 4 Digits
Students solve two, three, and four-digit addition problems with carrying. The sum turns blue if correct.
NumberNut
Number Nut: Addition: Adding Three Digit Numbers
Explains how to add three-digit numbers by focusing on each column of digits as you add.