https://www.mathsisfun.com/definitions/evaluate.html

Illustrated definition of Evaluate: To calculate the value of. Example: Evaluate the cost of each pie when 3 pies cost 6. Answer: 2 each. ...

https://www.mathsisfun.com/calculus/limits-evaluating.html

Limits (Evaluating). You should read Limits (An Introduction) first. Quick Summary of Limits. Sometimes we can't work something out directly ... but we can see ...

https://www.mathsisfun.com/algebra/functions-evaluating.html

Example: evaluate the function f(x) = 2x+4 for x=5. Just replace the variable "x" with "5": f(5) = 2×5 + 4 = 14. Answer: f(5) = 14 ...

https://www.mathsisfun.com/algebra/substitution.html

Example: If x=3 (but we don't know "y"), then what is x2 + xy ? Put "3" where "x" is: 32 + 3y = 9 + 3y. (that is as far as we can get). As that last example showed, we ...

https://www.mathplanet.com/education/pre-algebra/introducing-algebra/evaluate-expressions

To evaluate an algebraic expression, you have to substitute a number for each variable and perform the arithmetic operations. In the example above, the ...

http://home.avvanta.com/~math/def2.cgi?t=expression

An algebraic expression is a mathematical phrase that can contain ordinary numbers, variables (like x or y) and operators (like add,subtract,multiply, and divide).

https://www.splashmath.com/math-vocabulary/algebra/numerical-expression

Also learn the facts to easily understand math glossary with fun math ... The Complete K-5 Math Learning Program Built for Your Child ... Evaluate Expressions.

http://www.amathsdictionaryforkids.com/qr/e/evaluate.html

Quick Reference from A Maths Dictionary for Kids - over 600 common math ... evaluate. • a term used in algebra. • to evaluate an expression means to find a