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Computer Science Standards




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Showing 1 - 10 of 18 Standards

Standard Identifier: K-2.CS.1

Grade Range: K–2
Concept: Computing Systems
Subconcept: Devices
Practice(s): Fostering an Inclusive Computing Culture (1.1)

Standard:
Select and operate computing devices that perform a variety of tasks accurately and quickly based on user needs and preferences.

Descriptive Statement:
People use computing devices to perform a variety of tasks accurately and quickly. Computing devices interpret and follow the given instructions literally. Students select and operate an appropriate computing device and corresponding program or app for a given task. For example, students could use computing devices to describe what plants and animals (including humans) need to survive. In this case, students could choose to use a keyboard to type explanatory sentences onto graphics. They could also choose to use a touchscreen device with a stylus to annotate an image for a slideshow, or choose to use a camera enabled device to make a video. Student choices may reflect their own needs or the needs of others. (CA NGSS: K-LS1-1; 2-LS4-1) Alternatively, students could choose to use a computing device with audio recording capabilities to recount stories or poems. Students could clarify thoughts, ideas, or feelings via their preference of either using a device with digital drawing tools, or by creating paper and pencil drawing based on their needs and preferences. (CA CCSS for ELA/Literacy SL.K.5, SL.1.5, SL.2.5)

Standard Identifier: K-2.DA.8

Grade Range: K–2
Concept: Data & Analysis
Subconcept: Collection, Visualization, & Transformation
Practice(s): Developing and Using Abstractions, Communicating About Computing (4.4, 7.1)

Standard:
Collect and present data in various visual formats.

Descriptive Statement:
Data can be collected and presented in various visual formats. For example, students could measure temperature changes throughout a day. They could then discuss ways to display the data visually. Students could extend the activity by writing different narratives based on collected data, such as a story that begins in the morning when temperatures are low and one that begins in the afternoon when the sun is high and temperatures are higher. (CA CCSS for ELA/Literacy RL.K.9, RL.1.9, RL.2.9, W.K.3, W.1.3, W.2.3). Alternatively, students collect peers' favorite flavor of ice cream and brainstorm differing ways to display the data. In groups, students can choose to display and present the data in a format of their choice. (CA CCSS for Mathematics K.MD.3, 1.MD.4, 2.MD.10)

Standard Identifier: K-2.NI.4

Grade Range: K–2
Concept: Networks & the Internet
Subconcept: Network Communication & Organization
Practice(s): Developing and Using Abstractions (4.4)

Standard:
Model and describe how people connect to other people, places, information and ideas through a network.

Descriptive Statement:
Information is passed between multiple points (nodes) on a network. The Internet is a network that enables people to connect with other people worldwide through many different points of connection. Students model ways that people communicate, find information, or acquire ideas through a network. Students use a network, such as the internet, to access information from multiple locations or devices. For example, students could utilize a cloud-based platform to access shared documents or note-taking applications for group research projects, and then create a model (e.g., flowchart) to illustrate how this network aids collaboration. (CA CCSS for ELA/Literacy W.K.7, W.1.7, W.2.7) Alternatively, students could design devices that use light or sound to aid communication across distances (e.g., light source to send signals, paper cup and string “telephones,” and a pattern of drum beats) and then describe how networks build connections. (CA NGSS: 1-PS4-4)

Standard Identifier: 3-5.CS.1

Grade Range: 3–5
Concept: Computing Systems
Subconcept: Devices
Practice(s): Communicating About Computing (7.2)

Standard:
Describe how computing devices connect to other components to form a system.

Descriptive Statement:
Computing devices often depend on other devices or components. Students describe physical and wireless connections to other components, including both input devices (e.g., keyboards, sensors, remote controls, microphones) and output devices (e.g., 3D printers, monitors, speakers). For example, students could describe the relationship among the heart, lungs, muscles, blood, and oxygen during physical activity and then compare this to how a mouse, keyboard, printer, and desktop computer connect and interact to allow for input, processing, and output. (P.E.3.4.7) Alternatively, when describing how light reflected from objects enters the eye and is then transferred to the brain to construct a visual image, students could compare this to a computing system that uses programming to construct a visual image when data is transferred and constructed/reconstructed through a keyboard, camera, or other components. (CA NGSS: 4-PS4-2)

Standard Identifier: 3-5.DA.8

Grade Range: 3–5
Concept: Data & Analysis
Subconcept: Collection, Visualization, & Transformation
Practice(s): Communicating About Computing (7.1)

Standard:
Organize and present collected data visually to highlight relationships and support a claim.

Descriptive Statement:
Raw data has little meaning on its own. Data is often sorted or grouped to provide additional clarity. Organizing data can make interpreting and communicating it to others easier. Data points can be clustered by a number of commonalities. The same data could be manipulated in different ways to emphasize particular aspects or parts of the data set. For example, students could create and administer electronic surveys to their classmates. Possible topics could include favorite books, family heritage, and after school activities. Students could then create digital displays of the data they have collected such as column histogram charts showing the percent of respondents in each grade who selected a particular favorite book. Finally, students could make quantitative statements supported by the data such as which books are more appealing to specific ages of students. As an extension, students could write an opinion piece stating a claim and supporting it with evidence from the data they collected. (CA CCSS for Mathematics 3.MD.3, 4.MD.4, 5.MD.2) (CA CCSS for ELA/Literacy W.3.1, W.4.1, W.5.1) Alternatively, students could represent data in tables and graphical displays to describe weather experienced in the last several years. They could select the type of graphical display based on the specific data represented (e.g., daily high/low temperatures on a scatter plot, average temperatures for a month across years in a column chart). Students could then make a claim about expected weather in future months based on the data. (CA NGSS: 3-ESS2-1)

Standard Identifier: 3-5.NI.4

Grade Range: 3–5
Concept: Networks & the Internet
Subconcept: Network Communication & Organization
Practice(s): Developing and Using Abstractions (4.4)

Standard:
Model how information is broken down into smaller pieces, transmitted as packets through multiple devices over networks and the Internet, and reassembled at the destination.

Descriptive Statement:
Information is sent and received over physical or wireless paths. It is broken down into smaller pieces called packets, which are sent independently and reassembled at the destination. Students demonstrate their understanding of this flow of information by, for instance, drawing a model of the way packets are transmitted, programming an animation to show how packets are transmitted, or demonstrating this through an unplugged activity in which they physically act this out. For example, students could design a structure using building blocks or other materials with the intention of re-engineering it in another location, just as early Americans did after the intercontinental railroad was constructed in the 1850s (HSS.4.4.1, 4.4.2). Students could deconstruct the designed structure, place materials into specific containers (or plastic bags/brown paper bags/etc.), and develop instructions on how to recreate the structure once each container arrives at its intended destination. (CA NGSS: 3-5-ETS1) For example, students could cut up a map of the United States by state lines. Students could then place the states in envelopes and transmit the "packets" through a physical network, represented by multiple students spreading out in arms reach of at least two others. At the destination, the student who receives the packets resassembles the individual states back into a map of the United States. (HSS 5.9) Alternatively, students could perform a similar activity with a diatonic scale, cutting the scale into individual notes. Each note, in order, should be placed into a numbered envelope based on its location on the scale. These envelopes can be transmitted across the network of students and reassembled at the destination. (VAPA Music 4.1.2)

Standard Identifier: 6-8.CS.1

Grade Range: 6–8
Concept: Computing Systems
Subconcept: Devices
Practice(s): Fostering an Inclusive Computing Culture, Recognizing and Defining Computational Problems (1.2, 3.3)

Standard:
Design modifications to computing devices in order to improve the ways users interact with the devices.

Descriptive Statement:
Computing devices can extend the abilities of humans, but design considerations are critical to make these devices useful. Students suggest modifications to the design of computing devices and describe how these modifications would improve usabilty. For example, students could create a design for the screen layout of a smartphone that is more usable by people with vision impairments or hand tremors. They might also design how to use the device as a scanner to convert text to speech. Alternatively, students could design modifications for a student ID card reader to increase usability by planning for scanner height, need of scanner device to be connected physically to the computer, robustness of scanner housing, and choice of use of RFID or line of sight scanners. (CA NGSS: MS-ETS1-1)

Standard Identifier: 6-8.DA.8

Grade Range: 6–8
Concept: Data & Analysis
Subconcept: Collection, Visualization, & Transformation
Practice(s): Communicating About Computing (7.1)

Standard:
Collect data using computational tools and transform the data to make it more useful.

Descriptive Statement:
Data collection has become easier and more ubiquitous. The cleaning of data is an important transformation for ensuring consistent format, reducing noise and errors (e.g., removing irrelevant responses in a survey), and/or making it easier for computers to process. Students build on their ability to organize and present data visually to support a claim, understanding when and how to transform data so information can be more easily extracted. Students also transform data to highlight or expose relationships. For example, students could use computational tools to collect data from their peers regarding the percentage of time technology is used for school work and entertainment, and then create digital displays of their data and findings. Students could then transform the data to highlight relationships representing males and females as percentages of a whole instead of as individual counts. (CA CCSS for Mathematics 6.SP.4, 7.SP.3, 8.SP.1, 8.SP.4) Alternatively, students could collect data from online forms and surveys, from a sensor, or by scraping a web page, and then transform the data to expose relationships. They could highlight the distribution of data (e.g., words on a web page, readings from a sensor) by giving quantitative measures of center and variability. (CA CCSS for Mathematics 6.SP.5.c, 7.SP.4)

Standard Identifier: 6-8.NI.4

Grade Range: 6–8
Concept: Networks & the Internet
Subconcept: Network Communication & Organization
Practice(s): Developing and Using Abstractions (4.4)

Standard:
Model the role of protocols in transmitting data across networks and the Internet.

Descriptive Statement:
Protocols are rules that define how messages between computers are sent. They determine how quickly and securely information is transmitted across networks, as well as how to handle errors in transmission. Students model how data is sent using protocols to choose the fastest path and to deal with missing information. Knowledge of the details of how specific protocols work is not expected. The priority at this grade level is understanding the purpose of protocols and how they enable efficient and errorless communication. For example, students could devise a plan for sending data representing a textual message and devise a plan for resending lost information. Alternatively, students could devise a plan for sending data to represent a picture, and devise a plan for interpreting the image when pieces of the data are missing. Additionally, students could model the speed of sending messages by Bluetooth, Wi-Fi, or cellular networks and describe ways errors in data transmission can be detected and dealt with.

Standard Identifier: 9-12.CS.1

Grade Range: 9–12
Concept: Computing Systems
Subconcept: Devices
Practice(s): Developing and Using Abstractions (4.1)

Standard:
Describe ways in which abstractions hide the underlying implementation details of computing systems to simplify user experiences.

Descriptive Statement:
An abstraction is a representation of an idea or phenomenon that hides details irrelevant to the question at hand. Computing systems, both stand alone and embedded in products, are often integrated with other systems to simplify user experiences. For example, students could identify geolocation hardware embedded in a smartphone and describe how this simplifies the users experience since the user does not have to enter her own location on the phone. Alternatively, students might select an embedded device such as a car stereo, identify the types of data (e.g., radio station presets, volume level) and procedures (e.g., increase volume, store/recall saved station, mute) it includes, and explain how the implementation details are hidden from the user.

Showing 1 - 10 of 18 Standards


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