210 likes | 306 Views
Problem Solving Review. Problem Solving Review. Problem Solving Review. Problem Solving Review. Variables and Expressions. Lesson 1.1. Learning Targets. To identify variables, numerical expressions, and variable expressions To write variable expressions for word phrases . Vocabulary .
E N D
Variables and Expressions Lesson 1.1
Learning Targets To identify variables, numerical expressions, and variable expressions To write variable expressions for word phrases
Vocabulary A __________ is a letter that stands for a number. A variable expression is ____________________________________ ____________________________________
Definitions A variable is a letter that stands for a number. A variable expression is a mathematical phrase that uses variables, numerals, and operation symbols.
Note Page 7 x 3 __________ 4t __________
Group Exercise I have divided you into groups of 4 and given your group an operation. How many different words can your group come up with that mean the same as your operation? Put your answers on the sheet provided. Copy each groups words in your notes.
Writing Variable Expressions We write variable expression just like they read. The only word that would change the order that we write an expression is the word Than. 7 times a variable 3 less than 6 The quotient of a number and 8
Note Page Write a variable expression for the cost in cents of p pens priced at 29cents each.
Practice Problem The fastest dinosaur may have been Ornithomimus, which could run about 60 ft in a second. Write a variable expression for the distance Ornithomimus could run in a given time.
Quick Check (on pg. 2) Bagels cost $.50 each. Write a variable expression for the cost of b bagels. Write a variable expression for the number of hours in m minutes. Complete the last chart from your earlier notes.
Check 4 Understanding The total of h and 56. Three less than d. p decreased by three A divided by 7
In-Class Practice Enrichment 1.1 (Handout)
Homework Pg. 6 (1-16, 18, 20, 33-35) HW Check tomorrow Answers will be on Moodle tonight.