Writing Algebraic Expressions SWBAT write an algebraic expression from a written expression.

Do Now ○ Lauren bought a DVD at Best Buy. The store was having a special with DVDs 10% off. If she got the DVD for $18, what was the original price of the DVD? ○ Make each of the following statements true with >, <, or = ○ 2/5 3/6 ○ ○ /8

Operations to Words ○ Draw a chart with the words that represent each operation. Write in PENCIL in case you make a mistake. You have 5 minutes and you may work with a partner. Add Subtract Multiply Divide

Practicing with Numbers ○ Write the following as a numerical expression. ○ The product of ten and seven. ○ The product of ten and five. ○ The product of 10 and a number. ○ Think → what can we use to represent a number when we don’t know the number?

Expressions ○ A numerical expression contains one or more numbers and operations. ○ Ex: x 7 – 8 ○ An algebraic expression contains at least one variable. ○ Ex: 4 + n5t – 8

Practice ○ The sum of ten and a number ○ 10 + n ○ The quotient of a number and twelve. ○ n ÷ 12 ○ Eleven decreased by five times a number. ○ 11 – 5n

Exit Ticket ○ Write your own algebraic expression using n, 3, and 5. You must use at least 2 operations. ○ Translate your algebraic expression into written expression.