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Computer Science Standards




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Showing 1 - 10 of 32 Standards

Standard Identifier: K-2.AP.13

Grade Range: K–2
Concept: Algorithms & Programming
Subconcept: Modularity
Practice(s): Recognizing and Defining Computational Problems (3.2)

Standard:
Decompose the steps needed to solve a problem into a sequence of instructions.

Descriptive Statement:
Decomposition is the act of breaking down tasks into simpler tasks. For example, students could break down the steps needed to make a peanut butter and jelly sandwich, to brush their teeth, to draw a shape, to move a character across the screen, or to solve a level of a coding app. In a visual programming environment, students could break down the steps needed to draw a shape. (CA CCSS for Mathematics K.G.5, 1.G.1, 2.G.1) Alternatively, students could decompose the planning of a birthday party into tasks such as: 1) Decide when and where it should be, 2) List friends and family to invite, 3) Send the invitations, 4) Bake a cake, 5) Decorate, etc.

Standard Identifier: K-2.DA.9

Grade Range: K–2
Concept: Data & Analysis
Subconcept: Inference & Models
Practice(s): Developing and Using Abstractions (4.1)

Standard:
Identify and describe patterns in data visualizations, such as charts or graphs, to make predictions.

Descriptive Statement:
Data can be used to make inferences or predictions about the world. For example, students could record the number of each color of candy in a small packet. Then, they compare their individual data with classmates. Students could use the collected data to predict how many of each colored candy will be in a full size bag of like candy. (CA CCSS for Mathematics K.MD.3, 1.MD.4, 2.MD.10) Alternatively, students could sort and classify objects according to their properties and note observations. Students could then create a graph or chart of their observations and look for connections/relationships (e.g., items that are hard are usually also smooth, or items that are fluffy are usually also light in weight.) Students then look at pictures of additional objects and make predictions regarding the properties of the objects pictured. (CA NGSS: 2-PS1-1, 2-PS1-2)

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: K-2.NI.5

Grade Range: K–2
Concept: Networks & the Internet
Subconcept: Cybersecurity
Practice(s): Communicating About Computing (7.2)

Standard:
Explain why people use passwords.

Descriptive Statement:
Passwords protect information from unwanted use by others. When creating passwords, people often use patterns of familiar numbers and text to more easily remember their passwords. However, this may make the passwords weaker. Knowledge about the importance of passwords is an essential first step in learning about cybersecurity. Students explain that strong passwords are needed to protect devices and information from unwanted use. For example, students could play a game of guessing a three-character code. In one version of the game, the characters are only numbers. In the second version, characters are numbers or letters. Students describe why it would take longer to guess the correct code in the second case. Alternatively, students could engage in a collaborative discussion regarding passwords and their importance. Students may follow-up the discussion by exploring strong password components (combination of letters, numbers, and characters), creating their own passwords, and writing opinion pieces indicating reasons their passwords are strong. (CA CCSS for ELA/Literacy SL.K.1, SL.1.1, SL 2.1, W.1.1, W.2.1)

Standard Identifier: K-2.NI.6

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

Standard:
Create patterns to communicate a message.

Descriptive Statement:
Connecting devices to a network or the Internet provides great benefit, but care must be taken to protect devices and information from unauthorized access. Messages can be protected by using secret languages or codes. Patterns help to ensure that the intended recipient can decode the message. Students create a pattern that can be decoded and translated into a message. For example, students could use a table to associate each text character with a number. Then, they could select a combination of text characters and use mathematical functions (e.g., simple arithmetic operations) to transform the numbers associated with the characters into a secret message. Using inverse functions, a peer could translate the secret message back into its original form. (CA CCSS for Mathematics 2.OA.A.1, 2.OA.B.2) Alternatively, students could use icons or invented symbols to represent patterns of beat, rhythm, or pitch to decode a musical phrase. (VAPA Music K.1.1, 1.1.1, 2.1.1, 2.2.2)

Standard Identifier: 3-5.AP.13

Grade Range: 3–5
Concept: Algorithms & Programming
Subconcept: Modularity
Practice(s): Recognizing and Defining Computational Problems (3.2)

Standard:
Decompose problems into smaller, manageable tasks which may themselves be decomposed.

Descriptive Statement:
Decomposition is the act of breaking down tasks into simpler tasks. This manages complexity in the problem solving and program development process. For example, students could create an animation to represent a story they have written. Students write a story and then break it down into different scenes. For each scene, they would select a background, place characters, and program actions in that scene. (CA CCSS for ELA/Literacy W.3.3, W.4.3, W.5.3) Alternatively, students could create a program to allow classmates to present data collected in an experiment. For example, if students collected rain gauge data once per week for 3 months, students could break down the program tasks: 1) ask the user to input 12 weeks' worth of data, 2) process the data (e.g., add the first four entries to calculate the rain amount for month 1, convert to metric system measurements), and 3) direct the creation or resizing of objects (e.g., one rectangular chart bar for each month) to represent the total number of rainfall for that month. (CA NGSS: 3-ETS-1-2) (CA CCSS for Mathematics 3.MD.2)

Standard Identifier: 3-5.AP.14

Grade Range: 3–5
Concept: Algorithms & Programming
Subconcept: Modularity
Practice(s): Developing and Using Abstractions, Creating Computational Artifacts (4.2, 5.3)

Standard:
Create programs by incorporating smaller portions of existing programs, to develop something new or add more advanced features.

Descriptive Statement:
Programs can be broken down into smaller parts, which can be incorporated into new or existing programs. Students incorporate predefined functions into their original designs. At this level, students do not need to understand all of the underlying implementation details of the abstractions that they use. For example, students could use code from a ping pong animation to make a ball bounce in a new basketball game. They could also incorporate code from a single-player basketball game to create a two-player game with slightly different rules. Alternatively, students could remix an animated story and add their own conclusion and/or additional dialogue. (CA CCSS for ELA/Literacy W.3.3.B, W.3.3.D, W.4.3.B, W.4.3.E, W.5.3.B, W.5.3.E) Additionally, when creating a game that occurs on the moon or planets, students could incorporate and modify code that simulates gravity on Earth. They could modify the strength of the gravitational force based on the mass of the planet or moon. (CA NGSS: 5-PS2-1)

Standard Identifier: 3-5.DA.9

Grade Range: 3–5
Concept: Data & Analysis
Subconcept: Inference & Models
Practice(s): Communicating About Computing (7.1)

Standard:
Use data to highlight and/or propose relationships, predict outcomes, or communicate ideas.

Descriptive Statement:
The accuracy of data analysis is related to how the data is represented. Inferences or predictions based on data are less likely to be accurate if the data is insufficient, incomplete, or inaccurate or if the data is incorrect in some way. Additionally, people select aspects and subsets of data to be transformed, organized, and categorized. Students should be able to refer to data when communicating an idea, in order to highlight and/or propose relationships, predict outcomes, highlight different views and/or communicate insights and ideas. For example, students can be provided a scenario in which they are city managers who have a specific amount of funds to improve a city in California. Students can collect data of a city concerning land use, vegetation, wildlife, climate, population density, services and transportation (HSS.4.1.5) to determine and present what area needs to be focused on to improve a problem. Students can compare their data and planned use of funds with peers, clearly communicating or predict outcomes based on data collected. (CA CCCS for ELA/Literacy SL.3.1, SL.4.1, SL.5.1) Alternatively, students could record the temperature at noon each day to show that temperatures are higher in certain months of the year. If temperatures are not recorded on non-school days or are recorded incorrectly, the data would be incomplete and ideas being communicated could be inaccurate. Students may also record the day of the week on which the data was collected, but this would have no relevance to whether temperatures are higher or lower. In order to have sufficient and accurate data on which to communicate the idea, students might use data provided by a governmental weather agency. (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: 3-5.NI.5

Grade Range: 3–5
Concept: Networks & the Internet
Subconcept: Cybersecurity
Practice(s): Recognizing and Defining Computational Problems (3.1)

Standard:
Describe physical and digital security measures for protecting personal information.

Descriptive Statement:
Personal information can be protected physically and digitally. Cybersecurity is the protection from unauthorized use of electronic data, or the measures taken to achieve this. Students identify what personal information is and the reasons for protecting it. Students describe physical and digital approaches for protecting personal information such as using strong passwords and biometric scanners. For example, students could engage in a collaborative discussion orally or in writing regarding topics that relate to personal cybersecurity issues. Discussion topics could be based on current events related to cybersecurity or topics that are applicable to students, such as the necessity of backing up data to guard against loss, how to create strong passwords and the importance of not sharing passwords, or why we should keep operating systems updated and use anti-virus software to protect data and systems. Students could also discuss physical measures that can be used to protect data including biometric scanners, locked doors, and physical backups. (CA CCSS for ELA/Literacy SL.3.1, SL.4.1, SL.5.1)

Showing 1 - 10 of 32 Standards


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