Date:December 9, 2003

Class Period: 1st, 2nd, and 5th hour, Math 8

Unit title: Percents and Ratios


Students will be able to utilize percents in real life situations.

Materials and Resources:

Worksheet on Percents of clothing and percents of tax

Overheads on percent facts

Prerequisite skills:

Students should have background knowledge of Percents.

Lead in: 

There will be four board work problems on the board for the students to complete when they come into the classroom.  These four problems will use percents and the students will not be able to use their calculators.  Ask students if they can think of anytime they have ever seen a percent used.  Some examples are: Milk, news, interest rates, photocopying, sales, taxes, sports, tips, polls, analyze data, grades, arcades…

Instructional Strategies:

  • Play some Mathematics Basketball using the garbage cans as a basket. 
  • Split the class into two teams by numbering groups off by two. 
  • Instead of having two teams the class will be split into many teams, each team will be the group that they are sitting in so groups of three.
  • A question will be placed on the overhead regarding an example of a percentage problem. 
  • All the members of the group will have to write down the question and the answer to the question.  (note depending on the question have students may or may not be able to use their calculators)
  • After the groups are confident that they have the right answer they will raise their hand. 
  • After all the groups had a chance to answer the question one group will share their answer with the rest of the class.
  • Which ever team gets the answer right will get to send one student up from that group to take a free throw into the wastebasket. 
  • The groups will keep track of how many baskets they make.
  • With about 15 minutes left of class have students calculate their percentage of  basketball shots.  Percent = number of times made/number of attempts


            Tell all the students that they won the basketball tourney and relate all of the percentage examples back to things that the students listed as where they saw percents in everyday life.  Hand out the homework for the next day and ask students to complete it for the following day.

See Analysis of Lesson