Math K-Plus

Arithmetic - First Grade Addition Calculator

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First Grade Addition Calculator

First Grade Addition Calculator has an extra feature. Not only is a complete numerical answer shown for each math problem, a visual answer is also shown; this helps students transition from thinking visually to thinking numerically.

Please Read! Instructions to input whole numbers into the First Grade Addition Calculator:
  • (1) Example to enter a whole number type "4" Addend One.
  • (2) Example to enter a whole number type "2" Addend Two.
  • (3) Enter both whole numbers in the calculator, or press the NEW PROBLEM button, plus your answer. Now press ADD button and compare your answer with the calculator.
  • (4) Or test example already typed in to the calculator. Just press the ADD button or enter a new problem and press the ADD button.

First Grade Addition Calculator
Instructions Field Name Add Values
Practice addition instructions:
  • If you want to check the answer to a homework problem fill in the empty fields: Addend One and Two.
  • If you want to practice solving addition problems, press the New Problem button and it will fill in the Addend One and Two.
  • Next fill in the Your Answer field with your answer to the problem.
  • Press the Add button to see if your answer is correct.
Addend One: You can enter only 1 digit
Addend Two: You can enter only 1 digit +
Your Answer - Sum You can enter up to 2 digits
Correct Answer - Sum

Create a new basic addition problem for the student to solve.     

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 Math Test. It is recommend you see Help 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.