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Evaluate expressions. A variable is a letter, for example x, y or z, that represents an unspecified number. $$6+x=12$$ To evaluate an algebraic expression, you have to substitute a number for each variable and perform the arithmetic operations. In the example above, the variable x is equal to 6 since 6 + 6 = 12.


We have learned that, in in an algebraic expression, letters can stand for numbers. When we substitute a specific value for each variable, and then perform the operations, it's called evaluating the expression. Let's evaluate the expression 3y + 2y when 5 = y. Click on the steps to see how it's done.


"Evaluate" is fairly synonymous with "solve" when used in mathematics. An example of wording is, "Evaluate the cost of six tomatoes when the tomatoes are priced at $2 each." This is a simple multiplication problem where the student would multiply 6 by 2 for an answer of $12.


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


Definition of Evaluate explained with real life illustrated examples. Also learn the facts to easily understand math glossary with fun math worksheet online at Splash Math. Splash Math is an award winning math program used by more than 30 Million kids for fun math practice.


Learn how to use the Algebra Calculator to evaluate expressions. Example Problem Evaluate the expression 2x for x=3. How to Evaluate the Expression in Algebra Calculator. First go to the Algebra Calculator main page. Type the following: First type the expression 2x. Then type the @ symbol. Then type x=3. Try it now: 2x @ x=3 Clickable Demo


Evaluate functions for specific inputs given the formula of the function. Functions are written using function notation. If you're seeing this message, it means we're having trouble loading external resources on our website. If you're behind a web filter, ...


Evaluating Problem Solving in Mathematics Effective assessment of problem solving in math requires more than a look at the answers students give. Teachers need to analyze their processes and get students to communicate their thinking. WALTER SZETELA AND CYNTHIA NICOL In its Curriculum and Evaluation Standards for School Mathematics,


Basic Math Plan. Basic Math Solver offers you solving online fraction problems, metric conversions, power and radical problems. You can find area and volume of rectangles, circles, triangles, trapezoids, boxes, cylinders, cones, pyramids, spheres. You can simplify and evaluate expressions, factor/multiply polynomials, combine expressions.