1 / 8

M7A1: Students will represent and evaluate quantities using algebraic expressions.

M7A1: Students will represent and evaluate quantities using algebraic expressions. A. Translate verbal phrases to algebraic expressions . Words to Know . Variable: a letter used to represent a number that is not specified.

mircea
Download Presentation

M7A1: Students will represent and evaluate quantities using algebraic expressions.

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. M7A1: Students will represent and evaluate quantities using algebraic expressions. A. Translate verbal phrases to algebraic expressions.

  2. Words to Know Variable: a letter used to represent a number that is not specified. Algebraic expression: an expression that includes one or more variables. It can also include numbers and symbols.

  3. Numerical expressions 6 + 3 is a numerical expression. Numerical expressions show numbers being combined with operational symbols. And what are operational symbols??? 18 ● 5 5 – 2 This is also a numerical expression.

  4. Algebraic Expressions Algebraic expression: expression that includes one or more variables. Remember: variable is a letter used to represent a number. A variable can be any letter. The most common are x and n. Examples: 3x – 16 kb + c a

  5. Practice together • Write an algebraic expression for the phrase “the quotient of seven and a number” What do we know about the word quotient?? What do we know “a number” means? Answer: 7 x

  6. More practice together 2. Write an algebraic expression for the phrase “ten less than one-third of a number” What does less than mean? What does one-third of a number really mean? Answer: 1 3 a – 10

  7. Practice with word problems 3. A taxi charges a flat rate of $2 plus $2.50 per mile driven. Write an algebraic expression for the total cost of a taxi ride that went m miles. Flat rate means: Per mile driven means: Answer: 2 + 2.5m

  8. More practice word problems 4. Keisha brought some cookies to school. She gave 5 to her teacher and then divided the rest equally among the 24 students in her class. Write an algebraic expression for the number of cookies each student received. We need to figure out our variable. Answer: c – 5 24

More Related