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Results 1  10 of 287:
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Discipline(s):
Mathematics
Grade(s):
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Resource Type(s):
Content Supports — Activities and rich problems
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1
Volumes Mathematically
ORC# 9750
Resource Information
Resource URL:
http://www.ohiorc.org/orc_documents/orc/RichProblems/DiscoveryV...
Resource Type:
Content Supports  Activities and rich problems
Discipline:
Mathematics
Grades:
Grades 7–12
Professional Commentary:
How does one go about finding the volume of an irregular shape? Students get a preview of integral calculus as they compute volume of a solid as the sum of volumes of slices of the solid....
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2
Volumes Experimentally
ORC# 9749
Resource Information
Resource URL:
http://www.ohiorc.org/orc_documents/orc/RichProblems/DiscoveryV...
Resource Type:
Content Supports  Activities and rich problems
Discipline:
Mathematics
Grades:
Grades 6–8
Professional Commentary:
The purpose of this activity is to discover relationships among the volumes of simple solids such as cones, cylinders, pyramids, cubes, and spheres. A discussion of the underlying mathematical ideas is included....
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3
The 3x+1 Problem
ORC# 9748
Resource Information
Resource URL:
http://www.ohiorc.org/orc_documents/orc/RichProblems/DiscoveryT...
Resource Type:
Content Supports  Activities and rich problems
Discipline:
Mathematics
Grades:
Grades 5–8
Professional Commentary:
Start with any whole number. Call it A. Find the next integer B in the following way: If A is odd, then B = 3A + 1; if A is even, then B = A/2....
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4
Target Game
ORC# 9747
Resource Information
Resource URL:
http://www.ohiorc.org/orc_documents/orc/RichProblems/DiscoveryT...
Resource Type:
Content Supports  Activities and rich problems
Discipline:
Mathematics
Grades:
Grades 5–8
Professional Commentary:
Starting at 0, students take turns adding 1 or 2 until they reach 21; whoever hits 21 exactly is the winner. Students play this game and several variations, with a goal of discovering winning strategies....
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5
Statistics Using Dice
ORC# 9746
Resource Information
Resource URL:
http://www.ohiorc.org/orc_documents/orc/RichProblems/DiscoveryS...
Resource Type:
Content Supports  Activities and rich problems
Discipline:
Mathematics
Grades:
Grades 6–8
Professional Commentary:
What happens if you roll two dice many times? How can you analyze the results?...
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6
Similar Triangles
ORC# 9743
Resource Information
Resource URL:
http://www.ohiorc.org/orc_documents/orc/RichProblems/DiscoveryS...
Resource Type:
Content Supports  Activities and rich problems
Discipline:
Mathematics
Grades:
Grades 7–11
Professional Commentary:
What would be a reasonable definition of similarity? What are sufficient conditions that two triangles be similar?...
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7
Round Robin Tournament
ORC# 9742
Resource Information
Resource URL:
http://www.ohiorc.org/orc_documents/orc/RichProblems/DiscoveryR...
Resource Type:
Content Supports  Activities and rich problems
Discipline:
Mathematics
Grades:
Grades 6–10
Professional Commentary:
Malabar Middle School is scheduling a roundrobin tournament for six softball teams. In a roundrobin tournament each team plays each other team exactly once....
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8
Representation of Data  The U.S. Census
ORC# 9741
Resource Information
Resource URL:
http://www.ohiorc.org/orc_documents/orc/RichProblems/DiscoveryR...
Resource Type:
Content Supports  Activities and rich problems
Discipline:
Mathematics
Grades:
Grades 7–12
Professional Commentary:
The object of this activity is to study an excellent example of the presentation of data. Students analyze an illustration of the 1930 U.S....
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9
Rainy Lake, aka Mirror Lake
ORC# 9739
Resource Information
Resource URL:
http://www.ohiorc.org/orc_documents/orc/RichProblems/DiscoveryR...
Resource Type:
Content Supports  Activities and rich problems
Discipline:
Mathematics
Grades:
Grades 6–8
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 oneinch rainfall the previous night. An extension of the problem and a discussion of the underlying mathematical ideas are included....
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10
Pythagorean Theorem
ORC# 9738
Resource Information
Resource URL:
http://www.ohiorc.org/orc_documents/orc/RichProblems/DiscoveryP...
Resource Type:
Content Supports  Activities and rich problems
Discipline:
Mathematics
Grades:
Grades 6–10
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....
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91100

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161170

171180

181190

191200

201210

211220

221230

231240

241250

251260

261270

271280

281287
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