Math K-Plus

Practice 1st Grade Addition Calculator

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First Grade Addition Calculator

Please Read! Instructions for using the two options of the 1st Grade Addition calculator:
  • Option 1. Enter the Addends - 1 and 2 in the calculator. Followed by your your answer. Now press ADD button and then compare your answer with the calculator's.
  • Option 2. Solve a calculator generated math problem. First press the NEW PROBLEM button. Next enter your answer, in to the calculator. Lastly, press the ADD button and then compare your answer with the calculator's.

First Grade Addition Calculator
Field Name Add Values
Addend One: You can enter up to 1 digits
Addend Two: You can enter up to 1 digits
Your Answer - Sum You can enter up to 2 digits
Correct Answer - Sum

Create a new addition problem     

After learning first grade addition, you can move to the next step in addition math: Second Grade Addition Calculator.


Problem: Add Positive Integer Numbers.

+ +3

+  3

+  3

Problem Answer.

+  3


The calculator has a number of other features:
  • Arithmetic Addition Practice The student can solve an addition problem and compare their answer to the calculator. The calculator shows each step to solve the math problem entered. If the student has made a mistake, they can study the calculator results to understand where and avoid the mistake in the future. By using the tool for practicing, students can sharpen their skills. Use the New Problem button to create random problems to practice solving.
  • Arithmetic Addition Problem Solver The calculator is also a useful tool for a student to verify their homework is correct. This is done by comparing the student's answers to math problems against the website. Again an opportunity to learn from any mistakes.
  • Arithmetic Addition Quizzes The student can at anytime take a five question test to validate the level of their current skills. Further these tests help prepare the student for classroom tests. The quickest test is the five question Test. It is recommend you see Help
    on the detailed differences between Math Quiz and Math Test. To use the Math Test and Math Quiz features, you must have a user account. To create a user account, go to the home page or click the Sign In link here.