Ohio Resource Center

# 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 1 - 10 of 36: Return to Problem Corner ohiorc.org/Discovery in the URLDiscipline(s): MathematicsResource Type(s): Content Supports — Activities and rich problems
View Results: 1-10 | 11-20 | 21-30 | 31-36
1
Coin Flips
ORC# 9713
Resource Information
Resource Type: Content Supports -- Activities and rich problems
Discipline: Mathematics
Professional Commentary: In this inquiry activity, students are asked to determine whether a sequence of heads and tails was obtained by flipping a coin or by just making up a sequence of H's and T's. This investigation can be a starting point for exploring basic ideas of probability....
2
ORC# 9723
Resource Information
Resource Type: Content Supports -- Activities and rich problems
Discipline: Mathematics
Professional Commentary: How many license plates can you make if they are each six digits long? This question opens an investigation into combinations and permutations....
3
Making Maps
ORC# 9728
Resource Information
Resource Type: Content Supports -- Activities and rich problems
Discipline: Mathematics
Professional Commentary: Students use scale factors to make a map of a small geographical feature. This activity can be followed by Finding Areas Using Maps....
4
Monty Hall
ORC# 9731
Resource Information
Resource Type: Content Supports -- Activities and rich problems
Discipline: Mathematics
Professional Commentary: Here is the classic Monty Hall problem: Before you are three closed doors. Behind one of the doors is an all-expense paid trip to anywhere in the world....
5
Permutations -- Counting
ORC# 9735
Resource Information
Resource Type: Content Supports -- Activities and rich problems
Discipline: Mathematics
Professional Commentary: Suppose you have some objects that you want to line up in a row. In how many different ways can you do it?...
6
Pythagorean Theorem
ORC# 9738
Resource Information
Resource Type: Content Supports -- Activities and rich problems
Discipline: Mathematics
Professional Commentary: This activity shows how cutting geometric shapes and rearranging the pieces leads to some standard area formulas and to the Pythagorean Theorem. Complete proofs are included....
7
Rainy Lake, aka Mirror Lake
ORC# 9739
Resource Information
Resource Type: Content Supports -- Activities and rich problems
Discipline: Mathematics
Professional Commentary: Students use a topographical map featuring a body of water, such as a lake, pond, or river, to figure out how much the level of the water would rise after a one-inch rainfall the previous night. An extension of the problem and a discussion of the underlying mathematical ideas are included....
8
Similar Triangles
ORC# 9743
Resource Information
Resource Type: Content Supports -- Activities and rich problems
Discipline: Mathematics
Professional Commentary: What would be a reasonable definition of similarity? What are sufficient conditions that two triangles be similar?...
9
Simple Areas
ORC# 9744
Resource Information
Resource Type: Content Supports -- Activities and rich problems
Discipline: Mathematics