Meaning & use
addend
Last updated
UK/ˈæd.ənd/
US/ˈæd.ənd/
Meaning
nouncountable
A number added to another number in an addition problem.
Grammar: Has a plural; in 3 + 5 = 8, 3 and 5 are addends, and 8 is the sum.
Patterns
- addend plus addend
- first/second addend
- find the missing addend
In 7 + 2, both 7 and 2 are addends.
Students circle each addend before writing the sum.
The worksheet asks for the missing addend in 9 + ? = 14.
Word forms
| plural | addends |
|---|
Common combinations
- missing addend
- A missing addend problem helps children think backward from the sum.
- first addend
- Underline the first addend in each number sentence.
- second addend
- The second addend is written under the line.
Synonyms and how they differ
- summand
- Summand is a more advanced math word for a number to be added; addend is the usual school term.
- term
- Term is broader and can be part of addition, subtraction, or an expression, not only addition.
Word family
Commonly confused: addend or addendum?
addend vs addendum
An addendum is extra material at the end of a document; an addend is a number in addition.
Practice
In 6 + 4 = 10, the addends are _____.
Choose one answer.
Addends are the numbers being added: 6 and 4. Ten is the sum, the result.
Make it your own
Write a sentence using “addend”, then check it and compare it with the examples above.
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