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Illustrative Mathematics
Accuracy of Carbon 14 Dating II
The scientific issue of carbon-14 dating and exponential decay gets a statistics-based treatment in this problem. The class starts with a basic investigation of carbon content, but then branches out to questions of accuracy and...
Curated OER
Discovering Density
Students explore the physical properties of density. In this hands-on lesson, students calculate density and distinguish between intensive and extensive properties.
Curated OER
Data Collection Review Sheet
In this data collection instructional activity, students determine the number of significant figures in the given values, describe the difference between accuracy and precision, and calculate density and mass. This instructional activity...
Curated OER
A.P. Calculus BC Section II, Part A and Part B
In this A.P. Calculus BC instructional activity. students solve six practice problems. A graphing calculator is required on the first three questions and not allowed on the next three. Directions are provided.
Curated OER
Lake Pepperidge Farm
Students calculate proportions to determine the total population of Lake Pepperidge Farm. They collect a blind sample of fish and count the number of tagged and untagged fish. They collect data from all samples and record the data in a...
Curated OER
Estimating for Accuracy
Students are introduced to the topic of estimation. Using various methods, they estimate and calculate the answers with the use of a calculator. They develop a practice to always estimate answers involving percentages and use a...
Curated OER
Chemistry 112: Form A-
In this chemistry 112 worksheet, students use their knowledge of chemistry concepts to answer the multiple choice questions provided. Students calculate the answers using the appropriate formulas.
Curated OER
Properties of Fractals
Students build a working definition of regular fractal, look carefully at the concepts of dimension and scale, and are introduced to logarithms. They solve simple exponential equations for the exponent both by trial and error and using...
Curated OER
Aruba Cloud Cover Measured by Satellite
Students analyze cloud cover over Aruba. They compose and submit written conclusions which include data, analysis, errors in data collection, and references.
Curated OER
Properties of Fractals
Learners build a working definition of a regular fractal, they measure the concepts of dimensions and scale, they explore the concept of a logarithm and they attempt to solve simple exponential equations for the exponent both by trial...
Physics Classroom
A Critical Lab
Physics lab groups finagle with laser lights to determine the critical angle of refraction for both water and Lucite. Because there are no detailed steps or an answer key for this enlightening exercise, an inexperienced physics...
Curriculum Corner
7th Grade Math "I Can" Statement Posters
Translate the Common Core math standards into a series of achievable "I can" statements with this collection of classroom displays. Offering posters for each standard, this resource is a great way to support your seventh graders as...
101 Questions
Yellow Starbursts
Let the task burst your mind. Scholars estimate the frequency that both Starbursts in a pack are yellow out of 287 packs. They apply probability concepts to complete the sweet task.
Curated OER
Are You a Trend Setter?
Students are introduced to the periodic table of elements. They devise and perform and experiment in which they determine the density of specific elements. They use their results to predict the density of other elements in the same group.
Inside Mathematics
Patterns in Prague
Designers in Prague are not diagonally challenged. The mini-assessment provides a complex pattern made from blocks. Individuals use the pattern to find the area and perimeter of the design. To find the perimeter, they use the Pythagorean...
Inside Mathematics
Graphs (2006)
When told to describe a line, do your pupils list its color, length, and which side is high or low? Use a worksheet that engages scholars to properly label line graphs. It then requests two applied reasoning answers.
Inside Mathematics
Rugs
The class braids irrational numbers, Pythagoras, and perimeter together. The mini-assessment requires scholars to use irrational numbers and the Pythagorean Theorem to find perimeters of rugs. The rugs are rectangular, triangular,...
Physics Classroom
Action-Reaction Lab
Computer-interfaced motion detectors are required to carry out this inquiry. It is a new twist on exploring motion with plunger carts: they are set back-to-back and then propelled away from each other. Their velocities are measured, and...
Physics Classroom
All Work and No Play Lab
Don't let the term, "slotted wood board" detract you from the value of this experiment. Class members tie a string to a cart and, with even horizontal force, drag it up an inclined plane. The objective is to compare the work done with...
Noyce Foundation
Time to Get Clean
It's assessment time! Determine your young mathematicians' understanding of elapsed time with this brief, five-question quiz.
Inside Mathematics
Archery
Put the better archer in a box. The performance task has pupils compare the performance of two archers using box-and-whisker plots. The resource includes sample responses that are useful in comparing individuals' work to others.
Inside Mathematics
Hopewell Geometry
The Hopewell people of the central Ohio Valley used right triangles in the construction of earthworks. Pupils use the Pythagorean Theorem to determine missing dimensions of right triangles used by the Hopewell people. The assessment task...
Inside Mathematics
Quadratic (2009)
Functions require an input in order to get an output, which explains why the answer always has at least two parts. After only three multi-part questions, the teacher can analyze pupils' strengths and weaknesses when it comes to...
Inside Mathematics
Rhombuses
Just what does it take to show two rhombuses are similar? The assessment task asks pupils to develop an argument to show that given quadrilaterals are rhombuses. Class members also use their knowledge of similar triangles to show two...