# Addition of Integers

## Add and subtract positive and negative numbers

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Addition of Integers

by CK-12 //at grade
Learn how to add integers.
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• PLIX

## Addition of Integers: Polka Dots

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Addition of Integers Interactive
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## Real Numbers: Adding Electrons

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Addition of Integers Interactive
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## The Secret of Subtraction

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Addition of Integers Interactive
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• PLIX

## Adding Between 10 and -10

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Addition of Integers Interactive
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## Addition of Integers: Number Blocks

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Addition of Integers Interactive
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• Critical Thinking

## Addition of Integers Discussion Questions

by CK-12 //at grade
A list of student-submitted discussion questions for Addition of Integers.
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