Teacher: Joe, if you have 50 cents and you ask your mom for 50 more and your dad for 75 cents more, how much would you have?
Joe: 50 cents
Teacher: You don't know addition!
Joe: You don't know my parents!

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Addition of Three Numbers

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Basic Lesson: Shows the addition of the ones, tens, and hundreds columns. Also includes practice problems.; Standard: MATH 1
Grades: (K-2); View worksheet

Intermediate Lesson: Displays the concept of carrying the one.; Standard: MATH 1
Grades: (K-2); View worksheet

Independent Practice 1: Contains 15 single and 2-3 digit 3 number sum problems. The answers can be found below.; Standard: MATH 1
Grades: (K-2); View worksheet

Independent Practice 2: Contains 15 single and 2-3 digit 3 number sum problems. The answers can be found below.; Standard: MATH 1
Grades: (K-2); View worksheet

Homework Worksheet: Sums of three number problems. A complete example is provided.; Standard: MATH 1
Grades: (K-2); View worksheet

Addition of Three Numbers Quiz: 10 three number sum problems. A math scoring matrix is included.; Standard: MATH 1
Grades: (K-2); View worksheet

Answer Keys: Answers for the homework and quiz.; View answers

Answer Keys: Answers for both lessons and both practice sheets.; View answers

Why is Addition Important?: 10 Awesome Reasons Why Addition is Important in your Life.; View Math Article

5 Easy Ways to Learn Addition: Addition is the foundation of arithmetic. Here are 5 fast tips for you.; View Math Article

More Advanced Math Worksheets

More Advanced Worksheets: The next level of math skills.; -Addition Math Trails
-Addition Number Grid
-Addition Word Problems
-Word Problems

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