Tag Archives: radius

Area of a Circle

By Fawn | Published: June 7, 2012

After finding the formula for the circumference of a circle, my 6th graders were ready to work on finding the area of a circle. I asked them to draw a circle on notebook paper, any size, but not too small. Then I gave each a centimeter cube to trace one face onto their paper to remind them how much the area of one […]

Posted in Course 1 (6th Grade Math), Geometry | Also tagged area, area of a circle, circumference, estimation, Mimi Yang, My Favorite No, pi, problem solving, rectangle model, Sue VanHattum | 3 Responses

Search
RSS
- All posts
- All comments
Get Posts by Email

Email Address
Visual Patterns
Math Talks
180 Days of Math at Mesa
Between 2 Numbers
Math Arguments 180
Estimation 180
Dan Meyer's 3-Act Math Tasks
Andrew Stadel's 3-Act Math Tasks
Robert Kaplinsky Lessons
Nathan Kraft's Virtual Filing Cabinet
Sam Shah's Virtual Filing Cabinet
Mathalicious Lessons
Math Munch
Yummy Math Lessons
Desmos Classroom Activities
Graphing Stories
Math Mistakes
101 Questions
Would You Rather
Open Middle
Which One Doesn't Belong?
Fractions Talk
Recent Comments
- Stepth – Courageous Leadership on Staircase and Steepness
- buy bitcoin with debit card reddit on Barbie Bungee Revisited and Better Than Yours Class Lists
- exams on Barbie Bungee Revisited and Better Than Yours Class Lists
- Deanna Hampton on How I Use “Between Two Numbers”
- bargains on Discount and Sales Tax
- kroger survey on dudamath.com
- Https://ferrann.mx/botox-capilar-hidratacion-profunda-melena/ on Don Steward’s Complete the Quadrilateral
- poker1001 on When I Got Them To Beg
- best way to invest 10k on The Shoe Sale
- health insurance on Global Math Week Starts on October 10, 2017
Recent Posts
- St. Cloud, Minnesota
- Another Round
- House Cleaning and Lesson Planning
- Broken Straps
- Maybe Less Tech in Math and School?
- Scoring an Ordered List
- How I Use “Between Two Numbers”
- Send Doughnuts
- Green Olives
- Global Math Week Starts on October 10, 2017
- Upcoming Grassroots Workshop in December
- Between 2 Numbers
- All I Got on Classroom Management
- Long Live the #MTBoS!
- Euclid’s Algorithm
Archives
Archives
Categories
- Algebra (32)
- Cooking (1)
- Course 1 (6th Grade Math) (39)
- Course 2 (7th Grade Math) (1)
- General (34)
- Geometry (32)
- Math 8 (11)
- Misc (2)
- Problem Solving (39)
- Shallow Thoughts (16)
- Teaching (67)
Tags

#MTBoS30 3-Act math task 5 Practices for Orchestrating Productive Mathematics Discussions algebraic thinking Andrew Stadel area Barbies circumference Dan Meyer Desmos diameter Don Steward estimation fractions gratitude GSP linear equation love Math Forum math games math talks number line number sense patterns PD percent of percents pi PoW problem solving proportions quadratic equation rates ratios rectangle model rectangles slope struggle Sue VanHattum surface area Swan and Ridgway visual patterns volume warm-ups whiteboards