This short video and interactive assessment activity is designed to teach fifth graders about representing numbers in expanded form.

This short video and interactive assessment activity is designed to teach fourth graders about representing numbers in expanded form i.

Resonances: Engaging Music in Its Cultural Context is an OER textbook for the college-level music appreciation course. These are supplementary materials designed for music appreciation instructors to use for themselves and their students.

Rockin Russian is designed to give students exposure to the Russian language and culture through the medium of Russian music videos. Students are able to perfect their grammar while rocking out to music videos from Russia's pop stars. Based on Russian music videos from MTV Russia, Rockin' Russian is supplemented with exercise materials focusing on pronunciation, vocabulary development, grammar and cultural features. Parts of the videos are embedded into exercises in each category that students can revisit, strengthening their language skills.

This short video and interactive assessment activity is designed to teach third graders an overview of rotational symmetry.

This short video and interactive assessment activity is designed to give fifth graders an overview of rotational symmetry.

This short video and interactive assessment activity is designed to give fourth graders an overview of rotational symmetry.

Students identify phrases in a known song and create new patterns of music.

This short video and interactive assessment activity is designed to teach second graders an overview of rounding decimal numbers.

This short video and interactive assessment activity is designed to give fifth graders an overview of rounding decimal numbers.

This short video and interactive assessment activity is designed to give fourth graders an overview of rounding decimal numbers.

This short video and interactive assessment activity is designed to teach second graders about rounding to the nearest 2 decimal places, or the hundredths place.

A template for developing openly licensed educational resources from Grossmont Union High School District.

Global Satellite Navigation Systems (GNSS), such as GPS, have revolutionized positioning and navigation. Currently, four such systems are operational or under development. They are the American GPS, the Russian Glonass, the European Galileo, and the Chinese Beidou-Compass. This course will address: (1) the technical principles of Global Navigation Satellite Systems (GNSS), (2) the methods to improve the accuracy of standard positioning services down to the millimeter accuracy level and the integrity of the systems, and (3) the various applications for positioning, navigation, geomatics, earth sciences, atmospheric research and space missions. The course will first address the space segment, user and control segment, signal structure, satellite and receiver clocks, timing, computation of satellite positions, broadcast and precise ephemeris. It will also cover propagation error sources such as atmospheric effects and multipath. The second part of the course covers autonomous positioning for car navigation, aviation, and location based services (LBS). This part includes the integrity of GNSS systems provided for instance by Space Based Augmentation Systems (e.g. WAAS, EGNOS) and Receiver Autonomous Integrity Monitoring (RAIM). It will also cover parameter estimation in dynamic systems: recursive least-squares estimation, Kalman filter (time update, measurement update), innovation, linearization and Extended Kalman filter. The third part of the course covers precise relative GPS positioning with two or more receivers, static and kinematic, for high-precision applications. Permanent GPS networks and the International GNSS Service (IGS) will be discussed as well. In the last part of the course there will be two tracks (students only need to do one): (1) geomatics track: RTK services, LBS, surveying and mapping, civil engineering applications (2) space track: space based GNSS for navigation, control and guidance of space missions, formation flying, attitude determination The final lecture will be on (scientific) applications of GNSS.

This short video and interactive assessment activity is designed to teach third graders about selecting capacity by comparison.

This short video and interactive assessment activity is designed to teach fifth graders about converting capacities using illustrations (english units).

This short video and interactive assessment activity is designed to teach fourth graders about converting capacities using illustrations (english units).

This short video and interactive assessment activity is designed to teach fifth graders about selecting the greatest value.

This short video and interactive assessment activity is designed to teach fourth graders about selecting the incorrect statement.