image Receive free math worksheets via email:

All the numbers are at a party, each hanging out with its own kind. A couple of even numbers noticed 0 sitting on the couch alone and tried to include him. 28 said, "Why don't you come over and join us?" To which 0 replied, "I have nothing to add."


Become a member

Home > Math Skills / Topics > Addition Worksheets > Triple Digit Addition

Triple Digit Addition

Free Math Worksheet = free Member Math Worksheet = members only

Basic Lesson
Uses abbreviated ones, tens, and hundreds columns. Also includes practice problems.
Standard: MATH 1
Grades: (K-2)
Free Math Worksheet View worksheet
Intermediate Lesson
Works on carrying tens and hundreds into other columns.
Standard: MATH 1
Grades: (K-2)
Member Math Worksheet View worksheet
Independent Practice 1
Contains 12 single triple digit sum problems. The answers can be found below.
Standard: MATH 1
Grades: (K-2)
Member Worksheet View worksheet
Independent Practice 2
Contains 12 single triple digit sum problems. The answers can be found below.
Standard: MATH 1
Grades: (K-2)
Member Math Worksheet View worksheet
Homework Worksheet
9 sums of three digit number problems. A complete example is provided.
Standard: MATH 1
Grades: (K-2)
Member Worksheet View worksheet
Addition of Triple Digits Quiz
10 triple digit sum problems. A math scoring matrix is included.
Standard: MATH 1
Grades: (K-2)
Member Math Worksheet View worksheet
Answer Keys
Answers for the homework and quiz.
Member Worksheet View answers
Answer Keys
Answers for both lessons and both practice sheets.
Member Worksheet View answers




Why is Addition Important?
10 Awesome Reasons Why Addition is Important in your Life.
Free Math Tip View Math Article
5 Easy Ways to Learn Addition
Addition is the foundation of arithmetic. Here are 5 fast tips for you.
Free Math Tip View Math Article


More Advanced Math Worksheets
More Advanced Worksheets
The next level of math skills.
-Large Sums
-Addition Number Grid
-Addition Word Problems
-Missing Number Addition
Less Advanced Math Worksheets
Remedial Math Worksheets
Skills needed to get to this level.
-Numbers Line Addition
-Using A Number Line
-Number Family (Addition)
-Addition Numbers 0 to 9