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ACARA Digital Technologies Years 7–8 — Acquiring and Storing Data

Collecting data and keeping it clean.

Modules (73)

1 Data and information 2 Primary and secondary data sources 3 Quantitative data 4 Qualitative data 5 Data requirements for a research question 6 Judging whether collected data is essential 7 Collecting data with a survey 8 Writing unbiased survey questions 9 Closed and open survey questions 10 Choosing who to survey: sample and sample size 11 Data quality: bias 12 Linking an online form to a spreadsheet 13 Entering survey responses consistently 14 What a sensor is 15 Temperature sensor 16 Moisture sensor 17 Light sensor 18 Accelerometer sensor 19 Matching sensors to the data they capture 20 Data collected over a period of time 21 Reading the micro:bit temperature with input.temperature() 22 Recording readings with datalogger.log() 23 Copying a micro:bit data log into a spreadsheet 24 Faulty sensor readings and outliers 25 Open data portals and data licences 26 Authentic data in large repositories 27 Searching and filtering a data repository 28 Dataset file formats: CSV, XLSX, JSON and XML 29 Importing data from a CSV file 30 Generating sample test data 31 Spreadsheet rows, columns and cells 32 Cell references like A1 33 Entering data into cells 34 Header labels for rows and columns 35 Organising data in a table with headings 36 Naming worksheets consistently 37 Text data: character and string 38 Numeric data: integer 39 Numeric data: floating point 40 Date/time data 41 Choosing a data type for a value 42 Formatting numbers and cells 43 Formulas start with = 44 Copying a formula down a column 45 Absolute cell references with $ 46 The MIN and MAX functions 47 The COUNT function 48 The AVERAGE function 49 Sorting data 50 Filtering data 51 The IF function in a spreadsheet 52 COUNTIF and SUMIF 53 Data quality: accuracy 54 Cleaning data 55 Keeping an untouched copy of the raw data 56 Existence checking in a spreadsheet 57 Handling missing values 58 Flagging duplicates with a COUNTIF formula 59 Removing duplicate rows 60 Range checking in a spreadsheet 61 Flagging out-of-range values with IF and OR 62 Type checking in a spreadsheet 63 Converting text to numbers and fixing date formats 64 Conditional formatting 65 Cleaning text with TRIM, UPPER and PROPER 66 Fixing spelling variations with Find and Replace 67 Validation: why data is checked on entry 68 Types of validation check 69 Number range validation in a spreadsheet 70 Drop-down list validation in a spreadsheet 71 Validation messages and error alerts 72 Counting data problems with a quality summary 73 Keeping a cleaning log

Smaller journeys, one per content description

The same modules, split up so a class can take just the content description it's working on.

Printables for this journey

Every module above has its own free printable worksheet with an answer key. These crosswords and word searches cover the same terms:

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Years 5–6 Data & Information Crossword: Data, information and binary representation (Modules 1–10) 10 clues · Data and information, Types of data: numbers and text, Types of data: images, sound and video, Same data, different representations and more
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Years 5–6 Data & Information Crossword: Data, information and binary representation and Acquiring and manipulating data (Modules 11–20) 10 clues · Representing images with pixels, Primary and secondary data sources, Collecting data with a survey, Spreadsheet rows, columns and cells and more
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Years 5–6 Data & Information Crossword: Acquiring and manipulating data and Analysing and visualising data (Modules 21–30) 10 clues · Cleaning data, Formulas start with =, Arithmetic operators + - * /, The SUM function and more
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Years 5–6 Data & Information Word Search: Data, information and binary representation and Acquiring and manipulating data (Modules 1–20) 20 words to find · Data and information, Types of data: numbers and text, Types of data: images, sound and video, Same data, different representations and more
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Years 5–6 Data & Information Word Search: Acquiring and manipulating data to Digital footprint and privacy (Modules 21–56) 20 words to find · Cleaning data, Formulas start with =, Arithmetic operators + - * /, The SUM function and more
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VCE Data Analysis Crossword: Types and purposes of data (Modules 3–14) 10 clues · Quantitative data, Qualitative data, Purposes of qualitative and quantitative data, Interviews to gather perspectives on a topical issue and more
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VCE Data Analysis Crossword: Types and purposes of data and Data types and data characteristics (Modules 15–24) 10 clues · Open data portals and data licences, Text data: character and string, Numeric data: integer, Numeric data: floating point and more
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VCE Data Analysis Crossword: Data types and data characteristics to Privacy and the Australian Privacy Principles (Modules 25–37) 10 clues · Characteristic of data: accessibility, Characteristic of information: clarity, Characteristic of information: context, Data quality: accuracy and more
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VCE Data Analysis Word Search: Types and purposes of data and Data types and data characteristics (Modules 3–24) 20 words to find · Quantitative data, Qualitative data, Purposes of qualitative and quantitative data, Interviews to gather perspectives on a topical issue and more
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VCE Data Analysis Word Search: Data types and data characteristics to Ethics and APA referencing (Modules 25–54) 20 words to find · Characteristic of data: accessibility, Characteristic of information: clarity, Characteristic of information: context, Data quality: accuracy and more
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VCE Spreadsheets, SQL & Visualisation Crossword: Spreadsheet structure, formulas and functions and Descriptive statistics (Modules 4–20) 10 clues · Naming worksheets consistently, Header labels for rows and columns, Relative and absolute cell references, The COUNTIF function and more
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VCE Spreadsheets, SQL & Visualisation Crossword: Descriptive statistics and Manipulating, validating and testing spreadsheet data (Modules 21–34) 10 clues · Grouping numbers into bins with COUNTIFS, The STDEV.S function, Interpreting standard deviation, Cleaning text with TRIM, UPPER and PROPER and more
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VCE Spreadsheets, SQL & Visualisation Word Search: Spreadsheet structure, formulas and functions to Manipulating, validating and testing spreadsheet data (Modules 4–34) 20 words to find · Naming worksheets consistently, Header labels for rows and columns, Relative and absolute cell references, The COUNTIF function and more
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VCE Software Development U3O1 Crossword: Data sources and files to Graphical user interfaces (Modules 114–124) 10 clues · Reading an XML file with ElementTree, Validation: why data is checked on entry, Types of validation check, Existence checking in code and more
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VCE Software Development U3O1 Word Search: Data sources and files to Object-oriented programming (Modules 114–141) 20 words to find · Reading an XML file with ElementTree, Validation: why data is checked on entry, Types of validation check, Existence checking in code and more
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VCE Data Analytics U3O1 Crossword: Data types and relational databases to Sourcing, validating and referencing data (Modules 17–49) 10 clues · Field sizes, SQL column data types and sizes, One-to-many relationships between tables, Boolean operators AND, OR and NOT in a WHERE clause and more
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VCE Data Analytics U3O1 Crossword: Sourcing, validating and referencing data to Statistical analysis of data (Modules 50–91) 10 clues · Setting spreadsheet data validation rules, Removing duplicate rows, Handling missing values, Converting text to numbers and fixing date formats and more
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VCE Data Analytics U3O1 Word Search: Data types and relational databases to Statistical analysis of data (Modules 17–91) 20 words to find · Field sizes, SQL column data types and sizes, One-to-many relationships between tables, Boolean operators AND, OR and NOT in a WHERE clause and more
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VCE Data Analytics U3O2 Crossword: Research questions and project planning to Collecting primary and secondary data (Modules 3–31) 10 clues · What a research question is, Research question feature: clarity, Research question feature: measurability of data requirements, Research question feature: feasibility and more
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VCE Data Analytics U3O2 Crossword: Collecting primary and secondary data to Data integrity (Modules 32–75) 10 clues · Searching with keywords and search operators, Searching and filtering a data repository, One-dimensional arrays, Records: grouping fields of different data types and more
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VCE Data Analytics U3O2 Word Search: Research questions and project planning to Evaluating designs and design tools (Modules 3–146) 21 words to find · What a research question is, Research question feature: clarity, Research question feature: measurability of data requirements, Research question feature: feasibility and more
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Years 7–8 Data & Information Crossword: Representing data with binary and Acquiring, storing and validating data (Modules 9–45) 10 clues · 8-bit binary numbers and the range 0 to 255, Converting a larger decimal number to binary, How many values n bits can store, Looking up characters in the ASCII table and more
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Years 7–8 Data & Information Crossword: Sharing online and managing projects and Digital footprint and privacy (Modules 100–124) 10 clues · Tracking task progress, Roles and responsibilities in a team project, The iterative cycle: create, test, improve, Cookies and trackers and more
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Years 7–8 Data & Information Word Search: Representing data with binary to Using digital tools and conventions (Modules 9–80) 22 words to find · 8-bit binary numbers and the range 0 to 255, Converting a larger decimal number to binary, How many values n bits can store, Looking up characters in the ASCII table and more
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Years 7–8 Data & Information Word Search: Using digital tools and conventions to Digital footprint and privacy (Modules 87–124) 20 words to find · Applying heading and style conventions in a document, Adding alt text to images, Choosing a file format for sharing content, Sharing a file online with permissions and more
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Years 9–10 Data & Information Crossword: Data compression to Acquiring, storing and validating data (Modules 17–51) 10 clues · Choosing a compression format for a task, Content, structure and presentation of a document, Restyling one document with a different stylesheet, Why separating content, structure and presentation matters and more
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Years 9–10 Data & Information Word Search: Data compression to Data privacy and the Australian Privacy Principles (Modules 6–132) 21 words to find · Redundancy: repeated data that can be shortened, Lossless compression, Lossy compression, Run-length encoding: encoding text and more
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IGCSE Computer Science Paper 1 Crossword: 3.2 Input and Output Devices (Modules 273–282) 10 clues · 3D printer, Speaker, Actuator, Choosing a suitable output device for a context and more
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IGCSE Computer Science Paper 1 Crossword: 3.2 Input and Output Devices (Modules 283–292) 10 clues · Humidity sensor, Infra-red sensor, Level sensor, Light sensor and more
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IGCSE Computer Science Paper 1 Crossword: 3.2 Input and Output Devices and 3.3 Data Storage (Modules 293–303) 10 clues · Sensors, microprocessor and actuator in a control system, Matching sensors to the data they capture, Choosing the most suitable sensor for a given context, Choosing input devices, output devices and sensors together for a system and more
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IGCSE Computer Science Paper 1 Word Search: 3.2 Input and Output Devices (Modules 262–282) 22 words to find · Choosing a suitable input device for a context, LCD screen, LED screen, Comparing LCD and LED screens and more
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IGCSE Computer Science Paper 1 Word Search: 3.2 Input and Output Devices and 3.3 Data Storage (Modules 283–303) 22 words to find · Humidity sensor, Infra-red sensor, Level sensor, Light sensor and more
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Crossword: Binary Number Representation and Acquiring and Storing Data (Modules 204–236) 10 clues · How storage keeps bits, Explaining why digital technology uses binary, Closed and open survey questions, Choosing who to survey: sample and sample size and more
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Crossword: Acquiring and Storing Data and Analysing and Visualising Data (Modules 261–300) 10 clues · Keeping an untouched copy of the raw data, Flagging duplicates with a COUNTIF formula, Flagging out-of-range values with IF and OR, Fixing spelling variations with Find and Replace and more
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Word Search: Binary Number Representation and Acquiring and Storing Data (Modules 189–236) 21 words to find · Most and least significant bit, Reading 101 in binary: digits, not a hundred and one, Converting numbers 0 to 31 with five bits, Leading zeros and fixed-width binary and more
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Word Search: Acquiring and Storing Data and Analysing and Visualising Data (Modules 261–324) 20 words to find · Keeping an untouched copy of the raw data, Flagging duplicates with a COUNTIF formula, Flagging out-of-range values with IF and OR, Fixing spelling variations with Find and Replace and more

Frequently Asked Questions

Are these worksheets free?

Yes — every worksheet and its answer key is free to view, download, and print, with no account required to access any individual module.

Do I need an account?

No account is needed to view or print a worksheet. A free teacher account adds extras like assigning modules to a class and tracking progress automatically — it takes under three minutes to set up and doesn't need a credit card.

What year level is this for?

This curriculum is aligned to the Australian Curriculum (ACARA) and Victorian Curriculum, spanning roughly Years 3 to 10 — from first sequencing and variables through to object-oriented programming and advanced data structures. Start wherever matches your class's current level; each module builds on the last.

Can I print them?

Yes — every module has a one-click Print Worksheet button that generates a printable page with the practice questions and a full answer key.

Is this aligned to a curriculum?

Yes — the module sequence is mapped to the Australian Curriculum (ACARA) and Victorian Curriculum, and a class's progress is reported back against those curriculum bands (e.g. ACARA Years 5–6 sequencing and iteration, Years 7–8 functions and data structures), not just a generic difficulty scale.

Can students use this without a teacher?

Yes — students can start any module and practice directly, no class or account required. Joining a teacher's class with a class code adds progress tracking, class badges, and live Sprints, but isn't needed to work through the worksheets or modules solo.

Do I need to know ACARA Digital Technologies Years 7–8 myself to teach this?

No — every module comes with a full worked answer key, and Cloodit tracks who's stuck automatically, so you don't need to solve each exercise yourself before assigning it or be able to debug a student's work line by line.

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