The Density Archive
Calculate density and use a proportional mass-volume model without overclaiming material identity. Use supplied fictional data in a four-page package.
Grade 9 · 40 min · 4 pages
$4 USD
THE LESSON COLLECTION
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Unlock the Parabolic Arch
Interpret a quadratic model’s vertex, zeros, and symmetric heights within a physical domain. Use supplied fictional data in a four-page package.
Grade 10 · 40 min · 4 pages
$4 USD
Encode, Decode, Compare
Apply a stated run-length encoding and explain when it saves space. Use supplied fictional data in a four-page package.
Grade 10 · 40 min · 4 pages
$4 USD
The Balanced Beam Code
Apply force and torque equilibrium to a simplified supported beam. Use supplied fictional data in a four-page package.
Grade 11 · 40 min · 4 pages
$4 USD
Trace the Routing Rule
Trace a conditional algorithm and locate a boundary-value error. Use supplied fictional data in a four-page package.
Grade 9 · 40 min · 4 pages
$4 USD
Choose a Feasible Bridge
Screen designs against hard constraints before comparing weighted criteria. Use supplied fictional data in a four-page package.
Grade 9 · 40 min · 4 pages
$4 USD
When Do the Costs Cross?
Compare linear cost functions and interpret their intersection in context. Use supplied fictional data in a four-page package.
Grade 9 · 40 min · 4 pages
$4 USD
Follow the Energy Budget
Calculate efficiency and account for transfers without describing energy as destroyed. Use supplied fictional data in a four-page package.
Grade 10 · 40 min · 4 pages
$4 USD
Will the Parts Fit?
Use worst-case tolerance intervals to test clearance and a minimum-clearance requirement. Use supplied fictional data in a four-page package.
Grade 10 · 40 min · 4 pages
$4 USD
Read the Half-Life Model
Use an exponential decay model and distinguish deterministic predictions from random simulation outcomes. Use supplied fictional data in a four-page package.
Grade 11 · 40 min · 4 pages
$4 USD
Audit a Binary Search
Trace binary search and justify its sorted-data prerequisite and index updates. Use supplied fictional data in a four-page package.
Grade 11 · 40 min · 4 pages
$4 USD
Change the Denominator
Calculate conditional probabilities and test independence from a two-way table. Use supplied fictional data in a four-page package.
Grade 11 · 40 min · 4 pages
$4 USD
Check the Collision Model
Apply momentum conservation and compare kinetic energy in a perfectly inelastic collision. Use supplied fictional data in a four-page package.
Grade 12 · 40 min · 4 pages
$4 USD
The Checksum Relay
Calculate a simple modular checksum and demonstrate a limitation of error detection. Use supplied fictional data in a four-page package.
Grade 12 · 40 min · 4 pages
$4 USD
Design Within the Energy Budget
Enumerate feasible integer designs and optimize a stated objective under multiple constraints. Use supplied fictional data in a four-page package.
Grade 12 · 40 min · 4 pages
$4 USD
Find the Maximum Area
Optimize a quadratic under a perimeter constraint and interpret its domain and vertex. Use supplied fictional data in a four-page package.
Grade 12 · 40 min · 4 pages
$4 USD
Every package includes teacher guidance, student activities, and an answer key or scoring guide. Suggested grade ranges do not certify complete course or standards coverage.