The next lesson in this unit is on simplifying algebraic expressions. Use mathematical symbols to represent all the students in her class. Let g represent the number of groups in Ms. If x is 6, then the expression has a value of Quotient is also a key word for division.
The value of this number can change. If you make a mistake, choose a different button. Please also remember that addition is commutative; therefore, you can reverse the digits and you will end up with the same answer. One of the most important things to remember is to look for key words and to make sure that your expression matches the context of the word problem.
Select your answer by clicking on its button. The value of this expression can change. You are probably very used to translating words into numerical expressions. Pay close attention to the "key words" that represent mathematical operations.
Fifteen less than twice a number. The amount of money each employee will get is represented by the following algebraic expression: The difference between a numerical expression and an algebra expression is that we will be using variables when writing an algebraic expression.
Write an algebraic expression to represent his earnings for one day. As you begin to work with algebraic expressions more, you will see word problems that require you to use more than one operation. The key words are: Choose the algebraic expression that correctly represents the phrase provided.
This skill will come in handy when working with word problems or real life situations. Jensen likes to divide her class into groups of 2. Of is the tricky word.
Write each phrase as an algebraic expression. Division is not commutative, so you must pay close attention to the order in which you write the expression.Writing and Evaluating Expressions Worksheet Evaluate each expression using the values m = 7, r = 8, and t = 2.
1. Write an algebraic expression for each word phrase. 12 more than m machines six times the daily amount of fiber f in your diet Write each phrase as an algebraic expression. 1. 12 more than a number 2. The quotient of a number and 9 3.
4 times a number cubed decreased by 7 4. 15 less than a number squared 5. 3 more than 5 times the number of dogs 6. The product of 5 and y added to 3 7. 4 times the number of cows plus 2 times the number of ducks. TRANSLATING KEY WORDS AND PHRASES INTO ALGEBRAIC EXPRESSIONS The table below lists some key words and phrases that are used to describe common mathematical operations.
To write algebraic expressions and equations, assign a variable to represent the unknown number. Translate each phrase into a linear algebraic expression. Each expression is in the form of ax + b, where x is any variable; a and b are constants. Hard level is in the form of c(ax+b), c is a constant.
In Example 2, each algebraic expression consisted of one number, one operation and one variable. Let's look at an example in which the expression consists of more than one number and/or operation.