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**Mathematics**

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In this example, a carpenter uses the Pythagorean theorem to make sure the corners of his cabinets are square. This resource is from PUMAS - Practical Uses of Math and Science - a collection of brief examples created by scientists and engineers... (View More) showing how math and science topics taught in K-12 classes have real world applications. (View Less)

In this problem set, students are led through a series of calculations to determine the best launch site for a TV satellite. This resource is from PUMAS - Practical Uses of Math and Science - a collection of brief examples created by scientists and... (View More) engineers showing how math and science topics taught in K-12 classes have real world applications. (View Less)

This math problem demonstrates a lawyer's use of some very simple science and math. The case involves a $26 million lawsuit over a construction waste landfill and lead contamination. This resource is from PUMAS - Practical Uses of Math and Science -... (View More) a collection of brief examples created by scientists and engineers showing how math and science topics taught in K-12 classes have real world applications. (View Less)

In this activity, students develop reasonable calendar designs for an imaginary planet using factoring as a problem solving strategy. This resource is from PUMAS - Practical Uses of Math and Science - a collection of brief examples created by... (View More) scientists and engineers showing how math and science topics taught in K-12 classes have real world applications. (View Less)

In this exercise, students learn about the historical development of the Julian and the Gregorian Calendars and design a reasonable calendar for an imaginary planet, considering the cycle period and making design tradeoffs, This resource is from... (View More) PUMAS - Practical Uses of Math and Science - a collection of brief examples created by scientists and engineers showing how math and science topics taught in K-12 classes have real world applications. (View Less)

This is a lesson about gathering information, applying scientific identification processes, and identifying unknown rocks. Learners will conduct an investigation, observe and record the physical characteristics of an unknown rock (meteorite),... (View More) determine the mass of the unknown rock using math skills, determine the density of the rock, describe and classify a meteorite, apply observations and knowledge to the process of a scientific investigation, present evidence to verify classification decisions, and explore concepts of spatial relationships. Completion of all parts of the lesson is necessary to identify the unknown. Advanced preparation and procedural tips are included. This is lesson 13 of 19 in Exploring Meteorite Mysteries. (View Less)

This math example shows how to calculate the distance one can see from different heights using trigonometry. This resource is from PUMAS - Practical Uses of Math and Science - a collection of brief examples created by scientists and engineers... (View More) showing how math and science topics taught in K-12 classes have real world applications. (View Less)

This is an activity about size and scale. Learners will construct accurate size models of the Earth and Moon out of clay and use them to model the Earth-Moon distance. This is Actividad 4.1 as part of El Universo a Sus Pies, a Spanish-language... (View More) curriculum, available for purchase. (View Less)

This is an activity about telescopes. Learners will first measure several circles to determine their diameters and calculate their areas. Afterwards, they will cover each circle entirely with pennies and record how many pennies are needed for each... (View More) circle size. The concept to be explored is that a telescope with a larger lens or mirror is able to collect more light than another telescope with a smaller-diameter lens or mirror. This is Actividad 10.2 as part of El Universo a Sus Pies, a Spanish-language curriculum, available for purchase. (View Less)

This is a set of two activities about time. First, in Cosmic Calendar, learners will scale the evolution of the Universe to a one-year calendar, with the Big Bang occurring on the first moment of January first. Then, in Time-Line Scale Model of the... (View More) Age of the Earth, learners will use a 10-meter strip of paper to create a timeline for the evolution of our planet's surface, atmosphere and life. This is Actividad 8.2 as part of the El Universo a Sus Pies, a Spanish-language curriculum, available for purchase. (View Less)