Evaluating an Expression You evaluate an expression by replacing the variable with the given number and performing the indicated operation. The difference between a numerical expression and an algebra expression is that we will be using variables when writing an algebraic expression.

For example, the area of a rectangle is length times width. Sally has twice as much money as lori lori has more than paul but less than deb deb has exactly one dollar less than sally but double the amount paul has if paul has a dollar how much does lori have?

Three less than twice x is 2x I need The original number and The other number? How would you write this as an algebraic equation six less than twice a number is four more than three times a number?

Expressions with More Than One Operation Many people struggle with translating word problems into algebraic expressions. Since it represents a number, you treat it just like you do a number when you do various mathematical operations involving variables.

What mathematical symbol can you put between 1 and 2 to make a number greater than 1 but less than 2? The ten first existed then you subtracted the six. This is a very brief lesson on simple algebraic expressions. The arrow always points to the lower number.

Put the number down, and after that count up how many others of that there are, including the one you put down, and then put the number of how many others there are and put it in smaller print on the upper right side of the number.

Five countries have won the world cup more than once and only threehave won it more than twice. Think of "of" meaning to multiply when you are working with fractions.

This will help you to easily translate the expression. I make them all the time! The good news is that these very same words that we use to write numerical expressions are going to be used to write algebra expressions.

Okay, lets abbreviate their names to one letter. Algebraically the proper way to do it:. The key words are: We are used to seeing the words, plus, sum, difference, minus, product10 Twice a number is two more than six. Worksheet-2 Write each sentence as an equation.

1 Eight less than a number y is ninety four. 2 Twenty less than a number is fifty. 3 The sum of six and a number is two less than forty. 1 Ten less than. "3 times the sum of a number and 5" written as an algebraic expression would be 3(x+5).

The process of writing this as an algebraic equation has two parts: forming the base equation and determining what operation to perform on the base equation. The base equation in this problem is "the sum of a. We know that k is 15 less than j, and c is 15 more than b. Let's make that into a couple of equations: (8) k = j - 15 (9) c = b + 15 Then we can translate (7) into: (7) How many more is k than.

6 less than the quotient of c and 10 ↔ 3 minus the product of 5 and a number ↔ the sum of 5 and the quotient of z and 7 ↔ the difference of twice a number and 3 ↔ More Practice Problems in Writing Algebraic Expressions (Video) This video has twenty-five (25) examples for additional practice.

Write as a mathematical expression. The product of 5 and fresh-air-purifiers.com 5 + x 5 − x 5x 5/x Question 2 Write as an algebraic expression: 22% of a. Answer a + a / a − a Question 3 Write an algebraic expression for the word phrase: 8 more than the product of 6 and n.

What is the largest number less than that is divisible. Let's look at some examples of writing algebraic equations.

Example 1: Write each sentence as an algebraic equation. The quotient of fifty and five more than a number is ten.

Twelve is sixteen less than four times a number. 12 = 4x - Example 3: Write each sentence as an algebraic equation. Writing Algebraic Expressions: Writing.

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Write a mathematical expression for ten less than twice q

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