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Adding & Subtracting Integers Calculator

QUICK LINKS


STUDENT
TEACHER

Adding & Subtracting Integers Calculator

Adding and Subtracting Integers

CALCULATOR
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Adding & Subtracting Integers Calculator

We have some questions for you! Help us out through this
INTRO
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When it comes to adding and subtracting integers, we like to imagine we’re digging and filling to help us keep track of when we need to go up and down the number line ↕️.
The sign or combination of signs a number comes after tells us whether we need to fill up or dig down:
Sign(s)ActionVisual
Dig down
Dig down
(Add
a hole)
Fill up
Fill up
(Take away
a hole)
Check out our
Calculator
or explore our
Lesson
and
Practice
sections to learn more about how to add and subtract integers and test your understanding.

You can also use the Quick Links menu on the left to jump to a section of your choice.

You can also use the Quick Links dropdown above to jump to a section of your choice.

KEY STEPS
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How to Add & Subtract Integers

Single Sign

Double Signs

Step 1. Imagine the first number.

  • If the first number is positive, we fill up to the value of the first number.
  • If the first number is negative, we dig down to the value of the first number.

Step 2. Imagine the second number.

  • If the second number comes after a plus sign, we fill up to the value of the second number.
  • If the second number comes after a minus sign, we dig down to the value of the second number.

Step 3. Combine the numbers.

Overlap the piles and/or holes. The top of the final pile lines up with the final answer.
LESSON
β€” Single Sign
PRACTICE
β€” Single Sign
LESSON
β€” Double Signs
PRACTICE
β€” Double Signs
CONCLUSION
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