Unit 2, Lesson 2
Words and Symbols
Extra Support Materials for Algebra 1
2.1
Warm-up
Evaluate mentally:
- 50% of 80
- 75% of 80
- 1% of 80
- 7.5% of 80
2.2
Activity
For each problem, identify any important quantities. If it’s a known quantity, write the number and a short description of what it represents. If it’s an unknown quantity, assign a variable to represent it, and write a short description of what that variable represents.
- Clare is in charge of getting supplies for a road trip with her friends and her dog. She has \$35 to spend on supplies at the store. The supplies for herself and her friends cost \$3.25 each, and her dog's supplies cost \$9 each.
- Tyler is packing his bags for vacation. He plans to pack two outfits for each day of vacation.
- Mai's teacher orders tickets to the local carnival for herself, the entire class, and 3 more chaperones. Student tickets are \$4.50.
- Jada wants to prepare the fabric for the bridesmaids' dresses she is creating for a wedding party. She plans to use about 16 square feet of fabric on each dress.
- Elena is going to mow lawns for the summer to make some extra money. She will charge \$20 for every lawn she mows and plans on mowing several lawns each week.