Learn Before
What is the additive identity? Write the property using , and explain why it is called an 'identity'.
Question: What is the additive identity? Write the property using , and explain why it is called an 'identity'.
Sample answer: The additive identity is . For any number : and . It is called an 'identity' because adding does not change the number — it keeps its original value.
Key points:
- The additive identity is 0.
- 'Identity' means the number's value stays the same after adding 0.
- 0 is the only number with this property.
Rubric: Full credit: names 0, states the property correctly with , and explains why 'identity' fits. Partial credit: gets two of the three parts. No credit: missing or incorrect on all parts.
0
1
Tags
OpenStax
Elementary Algebra @ OpenStax
Algebra
Math
Prealgebra
Recall in Bloom's Taxonomy
Cognitive Psychology
Psychology
Social Science
Empirical Science
Science
OpenStax Psychology (2nd ed.) Textbook
Related
The Role of Zero in Financial Adjustments
Additive Inverse
Arrange the steps in order to show how the additive identity property applies to a number .
Which equation correctly shows the Additive Identity property for the variable ?
Since , the number is called the:
Which number is the additive identity, meaning for any number ?
What is the additive identity? Write the property using , and explain why it is called an 'identity'.
Match each term about the additive identity to its meaning.
What is the special name for in , and what property explains why the value stays the same?
is called the _____ identity, since for any number .