Tag Archives: percent of

Green Olives

My 7th graders are working on “percentages of” problems currently, and late last night, I saw this problem on one of Don Steward’s handouts. There are 75 olives, 40% of which are green. I eat some of the green olives until 10% of the olives that remain are green. How many green olives did I […]

Posted in Algebra, Course 2 (7th Grade Math) | Also tagged , , | 10 Responses

Discount and Sales Tax

Instead of doing the above exercises in our textbook, I had my 6th graders do this: Shopping Contest at Target Let’s pretend Target has a contest. The contest is for shoppers to find merchandise from their online store. Contest rules You must choose at least 10 different items. The items must come from at least 5 […]

Posted in Course 1 (6th Grade Math) | Also tagged , , , , , | 3 Responses

Sleep On It

This lesson mattress_sizes1 is the result of my spending 4 nights sleeping on a really nice bed wrapped under thousand-thread-count sheets! Part 1: The Mattresses I asked the kids to guess how the size of the little rectangles on paper compare to the real mattresses. (It’s 2% of actual.) We ignored the thickness. Then I asked them what the scale […]

Posted in Course 1 (6th Grade Math) | Also tagged , , , , , , | 3 Responses