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Activity
University of Cambridge

University of Cambridge: Nrich: A Puzzling Cube

For Students 3rd - 8th
See if you can figure out which symbols are on which cube face at this one page website. The solution is just a click away once you have your solution in mind.
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Unknown Type
CPALMS

Cpalms: Size It Up

For Teachers 9th - 10th Standards
[Free Registration/Login Required] This is a formative assessment task where students are asked to use geometric solids to model each of four tent shapes on a worksheet and use mathematical language to describe them. Samples of student...
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Mg How Many Cells Are in the Human Body?

For Teachers 9th - 10th Standards
About how many cells are in the human body? The purpose of this task is for students to apply the concepts of mass, volume, and density in a real-world context. Aligns with G-MG.A.2.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Srt, G Mg Seven Circles Iii

For Teachers 9th - 10th Standards
In this task, students are shown circle formations where an inner circle is surrounded by a set of circles and all circles are touching. In the first situation, all circles have the same diameter. In the second, the inner circle is...
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Srt, G Mg How Far Is the Horizon?

For Teachers 9th - 10th Standards
Some friends are at the beach looking out onto the ocean on a clear day and they wonder how far away the horizon is. A second problem asks how far the horizon would be from the top of a mountain. Students must also answer a question...
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Mg, G Gmd Global Positioning System Ii

For Teachers 9th - 10th Standards
Satellites communicate with a GPS device and establish the distance between them and their locations. The set of points at a fixed distance from a satellite form a sphere so when the GPS receives its distance from a given satellite, this...
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Mg Toilet Roll

For Teachers 9th - 10th Standards
Picture a roll of toilet paper; assume that the paper in the roll is very tightly rolled. Assuming that the paper in the roll is very thin, find a relationship between the thickness of the paper, the inner and outer radii of the roll,...
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Mg How Thick Is a Soda Can? Variation Ii

For Teachers 9th - 10th Standards
In this task, learners are given an aluminum soda can and are simply asked how they could determine how thick the can is. Aligns with G-MG.A.1 and G-MG.A.2.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Mg How Thick Is a Soda Can? Variation I

For Teachers 9th - 10th Standards
For this task, students are given the dimensions of a soda can and are asked to estimate its thickness. They must first find the surface area and the volume of aluminum. Aligns with G-MG.A.1 and G-MG.A.2.
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Activity
Oswego City School District

Regents Exam Prep Center: Arcs in Circles

For Students 9th - 10th
Provided are definitions of arcs in circles, an example and theorems to assist with test preparation.
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Activity
University of Cambridge

University of Cambridge: Nrich: Seven Sticks

For Students K - 1st Standards
On this one page website sharpen your logic, triangle properties, and pattern recognition skills while working on this challenge. The solution is available to double check your solution.