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www.math.com/school/subject2/lessons/S2U2L3GL.html

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.

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 variable x is equal to 6 since 6 + 6 = 12. If we know the value of our variables, we can replace the variables with their values and then evaluate the expression.

www.ascd.org/ASCD/pdf/journals/ed_lead/el_199205_szetala.pdf

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,

www.mathpapa.com/calc/tutorial/evaluate-expressions

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

www.khanacademy.org/.../a/evaluating-expressions-with-variables-in-word-problems

Learn to evaluate expressions in word problems to gain new information. ... Math · Algebra I · Algebra foundations · Evaluating expressions word problems. Evaluating expressions with variables word problems. CCSS Math: 6.EE.A.2, 6.EE.A.2c.

www.khanacademy.org/math/algebra/introduction-to-algebra/alg1-intro-to...

A local hospital is holding a raffle as a fundraiser. The individual cost of participating in the raffle is given by the following expression-- 5t plus 3, or 5 times t plus 3, where t represents the number of tickets someone purchases. Evaluate the expression when t is equal to 1, t is equal to 8, and t is equal to 10.

www.math10.com/en/problem-solver

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.

www.answers.com/Q/How_do_you_evaluate_in_math

Math and Arithmetic. How do you evaluate in math? 7 + (14-2) / 4+3 ? 13 you must solve in order of BODMAS B STAND FOR BRACKET O STAND FOR OF D STAND FOR DIVIDE M STAND FOR MULTIPY

answers.yahoo.com/question/index?qid=20080917222616AA5z2v8

Follow the order of operation (PEMDAS) P(arentheses) E(xponent) M(ultiply) D (ivide) A (dd) S (ubtract) So the first thing you need to do is to do the operation inside the parentheses and then multiply the answer by 3.

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. ...

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