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 241 - 250 of 595: Return to Problem Corner Discipline(s): MathematicsResource Type(s): Content Supports — Activities and rich problems
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241
If x + y + z = 1, then . . .
ORC# 14058
Resource Information
Resource Type: Content Supports -- Activities and rich problems
Discipline: Mathematics
Professional Commentary: See if you can devise a trick to arrive at the desired solution. This problem is one of Stella's Stunners, a collection of challenging and entertaining mathematical problems to intrigue students in grades 6 - 12. The Stella problems are ideal for promoting inquiry, problem solving, and classroom discussion of key mathematical ideas....
242
Complicated Ages (Andrea, Bonnie)
ORC# 14059
Resource Information
Resource Type: Content Supports -- Activities and rich problems
Discipline: Mathematics
Professional Commentary: If you enjoy age problems, you will love this one! This problem is one of Stella's Stunners, a collection of challenging and entertaining mathematical problems to intrigue students in grades 6 - 12. The Stella problems are ideal for promoting inquiry, problem solving, and classroom discussion of key mathematical ideas....
243
Beef Stroganoff
ORC# 14060
Resource Information
Resource Type: Content Supports -- Activities and rich problems
Discipline: Mathematics
Professional Commentary: Can Beef make it to the underworld hideout in time to share in the loot? This problem is one of Stella's Stunners, a collection of challenging and entertaining mathematical problems to intrigue students in grades 6 - 12. The Stella problems are ideal for promoting inquiry, problem solving, and classroom discussion of key mathematical ideas....
244
Coffee Break
ORC# 14061
Resource Information
Resource Type: Content Supports -- Activities and rich problems
Discipline: Mathematics
Professional Commentary: How much will a sandwich, pie, and coffee cost you at the Java Zone? This problem is one of Stella's Stunners, a collection of challenging and entertaining mathematical problems to intrigue students in grades 6 - 12. The Stella problems are ideal for promoting inquiry, problem solving, and classroom discussion of key mathematical ideas....
245
Horses and Oats, Numbers
ORC# 14062
Resource Information
Resource Type: Content Supports -- Activities and rich problems
Discipline: Mathematics
Professional Commentary: How long will 6 bags of oats feed 5 horses? This problem is one of Stella's Stunners, a collection of challenging and entertaining mathematical problems to intrigue students in grades 6 - 12. The Stella problems are ideal for promoting inquiry, problem solving, and classroom discussion of key mathematical ideas....
246
Impossible Rectangle
ORC# 14063
Resource Information
Resource Type: Content Supports -- Activities and rich problems
Discipline: Mathematics
Professional Commentary: Can a rectangle whose perimeter is 48 cm have an area of 150 sq cm? This problem is one of Stella's Stunners, a collection of challenging and entertaining mathematical problems to intrigue students in grades 6 - 12. The Stella problems are ideal for promoting inquiry, problem solving, and classroom discussion of key mathematical ideas....
247
ORC# 14064
Resource Information
Resource Type: Content Supports -- Activities and rich problems
Discipline: Mathematics
Professional Commentary: If one corner of a square is at (5, -4), can you identify a possibility for an adjacent corner? This problem is one of Stella's Stunners, a collection of challenging and entertaining mathematical problems to intrigue students in grades 6 - 12. The Stella problems are ideal for promoting inquiry, problem solving, and classroom discussion of key mathematical...
248
Find Altitude, Given Sides
ORC# 14065
Resource Information
Resource Type: Content Supports -- Activities and rich problems
Discipline: Mathematics
Professional Commentary: Can you find an altitude of a 7-8-9 triangle? This problem is one of Stella's Stunners, a collection of challenging and entertaining mathematical problems to intrigue students in grades 6 - 12. The Stella problems are ideal for promoting inquiry, problem solving, and classroom discussion of key mathematical ideas....
249
Exponential Equation with 3's
ORC# 14066
Resource Information
Resource Type: Content Supports -- Activities and rich problems
Discipline: Mathematics