# Tag Archives: Don Steward

## 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 , , | 11 Responses

## Reversing the Question

Don Steward posted this on Sunday. Like Don, I really like this task and also think it has a certain Malcolm Swan je ne sais quoi about it. I showed only the top part to my 6th graders, and I gave them 2 minutes to write down what they notice. In addition to noticing the given information, the students also mentioned: […]

Posted in Course 1 (6th Grade Math), Math 8 | Also tagged , , , , , | 16 Responses

## Don Steward’s Complete the Quadrilateral

This activity is from Don Steward’s post Complete the Quadrilateral. I’ve only learned of Don’s MEDIAN site more recently, and it’s a treasure trove because nearly every post can be an instant lesson in itself. Thank you! I like this set of 24 problems a lot, but when I click on the image of the problem in his post, I […]

Posted in Geometry, Problem Solving | Also tagged , , | 5 Responses
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