Ohio Resource Center
Problem Corner Home
All Rich Problems
Rich Problems for the Program Models
Discovery Problems
Stella's Stunners
Go to Search
|
Recent / Popular
Mathematics Educators
Science Educators
English Language Arts Educators
Social Studies Educators
ilearnOhio
Resources for Early Childhood (REC)
Literacy K-5
Adolescent Literacy (AdLIT)
ORC·On e-pub
Problem Corner
Browse
all rich problems in mathematics:
--Select a Topic--
Algebra
- Patterns, sequences
- Commutativity, associativity, other properties
- Polynomials, Expressions
- Equations
- - Linear
- - Quadratic
- - Systems of equations
- Graphing, usual coordinate system
- Inequalities
- Functions
- - Linear
- - Quadratic
- - Non-linear (Exponential, Logarithmic, Step, etc.)
- Trigonometry (including polar coordinates)
Applications
Assessment
Calculus, pre-calculus
Discrete mathematics
Geometry
- Plane Figures (2-D)
- Solid Figures (3-D)
- Area
- Surface area, volume
- Points, lines, segments, angles
- Symmetry
- Congruence
- Similarity
- Circles
- Conic sections
- Models, construction
- Non-Euclidean geometry
- Transformations (translations, rotations, reflections, dilations)
Measurement
- Length, distance, height
- Weight, mass
- Time
- Money
- Perimeter
- Units, conversion
Numbers and operations
- Whole numbers (counting, operations)
- Equivalence, comparing, ordering
- Estimation
- Fractions, rational numbers
- Decimals
- Integers
- Percents
- Exponents, roots
- Real numbers
- Complex numbers
- Vectors and matrices
Problem solving
Ratio and proportional relationships
Reasoning and proof
Probability
- Simple probability
- Conditional probability
- Decision making
Statistics
- Data display
- Mean, median, mode
- Data analysis, interpretation
--Select a Grade--
Kindergarten
1
2
3
4
5
6
7
8
9
10
11
12
Results 61 - 70 of 638:
Return to Problem Corner
Discipline(s):
Mathematics
Resource Type(s):
Content Supports — Activities and rich problems
View Results:
1-10
|
11-20
|
21-30
|
31-40
|
41-50
|
51-60
| 61-70 |
71-80
|
81-90
|
91-100
|
101-110
|
111-120
|
121-130
|
131-140
|
141-150
|
151-160
|
161-170
|
171-180
|
181-190
|
191-200
|
201-210
|
211-220
|
221-230
|
231-240
|
241-250
|
251-260
|
261-270
|
271-280
|
281-290
|
291-300
|
301-310
|
311-320
|
321-330
|
331-340
|
341-350
|
351-360
|
361-370
|
371-380
|
381-390
|
391-400
|
401-410
|
411-420
|
421-430
|
431-440
|
441-450
|
451-460
|
461-470
|
471-480
|
481-490
|
491-500
|
501-510
|
511-520
|
521-530
|
531-540
|
541-550
|
551-560
|
561-570
|
571-580
|
581-590
|
591-600
|
601-610
|
611-620
|
621-630
|
631-638
61
Diagonals of Two Regular Polygons
ORC# 16216
Resource Information
Resource URL:
http://www.ohiorc.org/for/math/stella/problems/problem.aspx?id=5...
Resource Type:
Content Supports -- Activities and rich problems
Discipline:
Mathematics
Grades:
Grades 9–12
Professional Commentary:
Given the total number of angles and diagonals in two polygons, can you determine the types of polygons? This problem is one of Stella's Stunners, a collection of challenging and entertaining mathematical problems to intrigue students in grades 6 - 12....
MORE...
62
Golden Ratio
ORC# 16217
Resource Information
Resource URL:
http://www.ohiorc.org/for/math/stella/problems/problem.aspx?id=3...
Resource Type:
Content Supports -- Activities and rich problems
Discipline:
Mathematics
Grades:
Grades 9–12
Professional Commentary:
What makes a rectangle golden? This problem is one of Stella's Stunners, a collection of challenging and entertaining mathematical problems to intrigue students in grades 6 - 12....
MORE...
63
Six Sequences to Continue
ORC# 16218
Resource Information
Resource URL:
http://www.ohiorc.org/for/math/stella/problems/problem.aspx?id=5...
Resource Type:
Content Supports -- Activities and rich problems
Discipline:
Mathematics
Grades:
Grades 9–12
Professional Commentary:
Can you find the patterns in these sequences and supply the next few terms? This problem is one of Stella's Stunners, a collection of challenging and entertaining mathematical problems to intrigue students in grades 6 - 12....
MORE...
64
Circumference
ORC# 16219
Resource Information
Resource URL:
http://www.ohiorc.org/for/math/stella/problems/problem.aspx?id=6...
Resource Type:
Content Supports -- Activities and rich problems
Discipline:
Mathematics
Grades:
Grades 9–12
Professional Commentary:
If a central angle of 40 degrees intercepts a chord of 6 cm, what is the circumference of the circle? This problem is one of Stella's Stunners, a collection of challenging and entertaining mathematical problems to intrigue students in grades 6 - 12....
MORE...
65
Comparative Heartbeats Per Year
ORC# 16220
Resource Information
Resource URL:
http://www.ohiorc.org/for/math/stella/problems/problem.aspx?id=2...
Resource Type:
Content Supports -- Activities and rich problems
Discipline:
Mathematics
Grades:
Grades 6–12
Professional Commentary:
How many times does your heart beat in a year? This problem is one of Stella's Stunners, a collection of challenging and entertaining mathematical problems to intrigue students in grades 6 - 12....
MORE...
66
Too Big or Too Small?
ORC# 3313
Resource Information
Resource URL:
http://illuminations.nctm.org/LessonDetail.aspx?ID=L252
Resource Type:
Content Supports -- Activities and rich problems
Discipline:
Mathematics
Grades:
Grades 3–6
Professional Commentary:
This lesson features three activities to promote number sense with large numbers, fractions, and decimal operations. In the first activity, students use proportional reasoning to determine whether $1 million in $1 bills would fit in a suitcase and how much it would weigh....
MORE...
67
How Many Valentines?
ORC# 5836
Resource Information
Resource URL:
http://www.learner.org/teacherslab/math/patterns/valentines/hand...
Resource Type:
Content Supports -- Activities and rich problems
Discipline:
Mathematics
Grades:
Grades 6–8
Professional Commentary:
There are 28 students in your classroom. On Valentine's Day, every student gives a valentine to each of the other students....
MORE...
68
Area and Volume in 3D -- Can't Have One Without the Other!
ORC# 9709
Resource Information
Resource URL:
http://www.ohiorc.org/orc_documents/orc/RichProblems/Discovery-A...
Resource Type:
Content Supports -- Activities and rich problems
Discipline:
Mathematics
Grades:
Grades 5–8
Professional Commentary:
Every 3-dimensional solid has both a volume and a surface area. Students explore the relationships between volume and surface area by constructing different solids from a given number of cubes....
MORE...
69
Boxes and Cats: Statistics From the Beginning
ORC# 9710
Resource Information
Resource URL:
http://www.ohiorc.org/orc_documents/orc/RichProblems/Discovery-B...
Resource Type:
Content Supports -- Activities and rich problems
Discipline:
Mathematics
Grades:
Grades 5–8
Professional Commentary:
Q. Why is a box like a cat? A. Both have whiskers....
MORE...
70
Can You Really Get There From Here?
ORC# 9711
Resource Information
Resource URL:
http://www.ohiorc.org/orc_documents/orc/RichProblems/Discovery-C...
Resource Type:
Content Supports -- Activities and rich problems
Discipline:
Mathematics
Grades:
Grades 7–12
Professional Commentary:
You are at an airport on the West coast of a long, narrow country. The country extends lengthwise to the East coast, and there are intermediate airports lined up along the way....
MORE...
View Results:
1-10
|
11-20
|
21-30
|
31-40
|
41-50
|
51-60
| 61-70 |
71-80
|
81-90
|
91-100
|
101-110
|
111-120
|
121-130
|
131-140
|
141-150
|
151-160
|
161-170
|
171-180
|
181-190
|
191-200
|
201-210
|
211-220
|
221-230
|
231-240
|
241-250
|
251-260
|
261-270
|
271-280
|
281-290
|
291-300
|
301-310
|
311-320
|
321-330
|
331-340
|
341-350
|
351-360
|
361-370
|
371-380
|
381-390
|
391-400
|
401-410
|
411-420
|
421-430
|
431-440
|
441-450
|
451-460
|
461-470
|
471-480
|
481-490
|
491-500
|
501-510
|
511-520
|
521-530
|
531-540
|
541-550
|
551-560
|
561-570
|
571-580
|
581-590
|
591-600
|
601-610
|
611-620
|
621-630
|
631-638
Close Window
Send this page to a friend
Send Page To:
* separate multiple addresses with a comma (,)
Your Email:
Your Name:
Add a Personal Message:
Send a Copy to You