Download presentation

1
**Variables and Expressions**

Lesson 11 Variables and Expressions

2
**Review! Vocabulary Variable:**

a symbol used to represent numbers or values. Algebraic Expression: one or more numbers and variables with one or more arithmetic operations

3
**What do expressions look like?**

Here are some examples 5x 3c – 7 4 + p/2 Can you give some examples?

4
**Writing Expressions - Adding**

Add 9 and 3 9 + 3 The sum of x and 4 x + 4 x more than -2 (switch) -2 + x 8 plus y 8 + y Can you think of any other words that are the same as adding??

5
**Writing Expressions - Subtracting**

Subtract x from y y – x Subtract x and y x – y The difference of c and 4 c – 4 5 less than t (switch) t – 5 8 minus y 8 – y Can you think of any other words that are the same as subtracting??

6
**Writing Expressions - Multiplying**

Multiply -4 and h -4h The product of 3x and 7 7(3x) 9t multiplied by -3z 9t(-3z) 8c times -2y (8c)(-2y) Can you think of any other words that are the same as multiplying??

7
**Writing Expressions - Dividing**

Divide 8x and 6y 8x ÷ 6y The quotient of 9 and 3x 9 ÷ 3x 5y divided by -2 5y ÷ -2 Can you think of any other words that are the same as dividing??

8
**Writing Expressions - Exponents**

A number squared y2 The cube (or third power) of a number 3x3 Can you think of any other words that are used for exponents??

9
**Write the expression for the following **

PRACTICE TIME! Write the expression for the following The sum of a x and 3 times y squared 5 decreased x to the third power The quotient of 5 plus y and 3 decreased by x 8x + 2 3 ÷ 2y2

Similar presentations

OK

Monomials – Product and Quotient Remember your rules for multiplying and dividing variables…- When multiplying like variables, ADD your exponents When.

Monomials – Product and Quotient Remember your rules for multiplying and dividing variables…- When multiplying like variables, ADD your exponents When.

© 2018 SlidePlayer.com Inc.

All rights reserved.

To make this website work, we log user data and share it with processors. To use this website, you must agree to our Privacy Policy, including cookie policy.

Ads by Google