CTAI, Class 5

Stage: Preparatory | Hours/Year: 50 Components: CT Skills only (no AI at this stage) Delivery: Integrated into Mathematics and TWAU (The World Around Us) Taught by: Subject teachers (Maths, TWAU) using special worksheets and handbooks

Curricular Goals

Goal	Description
CG-1	Develops basic problem-solving skills with procedural fluency to solve daily-life problems, as a step towards CT.
CG-2	Develop basic capacities of analytical thinking, verbal, and visual reasoning.
CG-3	Demonstrate understanding of basic computer concepts, including hardware and software.

Competencies

Code	Competency
C-1	Solves puzzles and daily-life problems through visual representations, interpreting the texts and analysing the given information.
C-2	Solve problems and understand complex ideas by identifying patterns, applying patterns to new cases, rules, and relationships in abstract, non-verbal information (shapes, symbols, diagrams).
C-3	Learns to systematically count and list all permutations or combinations given a constraint, in simple situations.
C-4	Selects appropriate methods and tools for computing simple data, such as mental computation, estimation, or paper-and-pencil calculation, in accordance with the context.
C-5	Makes connections among concepts, procedures, and representations in problem-solving contexts.
C-6	Develops familiarity with parts of a computer, input/output devices, file management, internet safety, educational software, and block-based coding (e.g., Scratch).

Note: CG and Competency codes are shared across the Preparatory Stage (Classes 3-5). The learning outcomes below represent the highest level of the Preparatory Stage.

Learning Outcomes

Abstract Thinking

Students will be able to solve complex problems with multi-layered hidden cues, using:

Different viewpoints of 3-D objects, Changes in shapes after flips, turns, cuts/folds, or rotations, and changes in order and directions (clockwise or counter-clockwise) (NEW at Class 5), Hidden or missing parts in incomplete shapes or patterns
Mirror/water images and identical halves based on symmetry (expanded from Class 4, adds water images)

Content creator note: Class 5 represents the peak of the Preparatory Stage. Key advances: (1) problems are now "complex with multi-layered hidden cues" (up from "moderate to highly moderate" in Class 4), (2) directional reasoning is introduced, clockwise vs counter-clockwise, (3) water images are added alongside mirror images. This prepares students for the spatial reasoning demands of Class 6.

Pattern Recognition

Students will identify progressive patterns involving multiple changes, using:

Numbers, Shapes/images, Letters, A mix of the above

Content creator note: Class 5 specifies "progressive patterns involving multiple changes", patterns that build and evolve with multiple attributes changing simultaneously. This is the most complex pattern work in the Preparatory Stage, bridging to the "complex patterns with multiple simultaneous changes" in Class 6.

Decomposition

Students will be able to break down higher-order problems involving interconnected clues, using information from:

Number clues (place values, sum/difference/product), 3-D objects and their parts (faces, edges, corners), Step-by-step exchanges or transfers (money, objects, digits, quantities), Tables or charts with multiple pieces of information, Conditions for counting/grouping/sorting items
Pictures or visuals that represent certain numerical values (NEW at Class 5)

Content creator note: Class 5 advances from "cluster of moderate clues" to "higher-order problems involving interconnected clues", meaning clues now depend on each other rather than being independent. The key addition is using pictorial/visual representations as numerical data sources (e.g., picture equations where images represent numbers).

Algorithmic Thinking

Students will be able to follow multi-layered rules to solve advanced problems involving:

Number sequences formed using simple operations, Movements on grids or direction-based paths, Values that increase or decrease across steps, Multi-step instructions involving moves, changes, transfers, swaps, People/Events arranged in an order using attributes or chronological clues, Simple counting instructions

Content creator note: Class 5 moves from "well-defined, elaborate conditions" (Class 4) to "multi-layered rules" and from "moderate to complex" to "advanced problems." The content categories remain the same as Class 4, but the complexity and layering of rules increases significantly. Students should handle problems where multiple rules interact and must be applied in sequence or combination.

Pedagogy Suggestions

Hands-on activities, games, and puzzles using worksheets, Allow students to interpret charts, diagrams, and visual representations, Teach students to break larger problems into smaller ones, Use collaborative tasks and peer discussions while solving problems, Use simple digital tools and hands-on activities to help children think in an organised way, Fun math games, puzzles, and exercises, Worksheets at the highest Preparatory Stage complexity, preparing for the Middle Stage transition

Assessment Methods

Written tests with CT questions and puzzles, Interactive group activities (e.g., treasure hunts), Teacher Observation Journal, Assessments linked to core subjects (Mathematics and TWAU)

Key Content Areas for Teaching

Directional reasoning: Clockwise vs counter-clockwise; changes in order and direction, a major new concept
Water images: Extending mirror image understanding to water reflections (horizontal reflection)
Multi-layered 3D reasoning: Complex viewpoints of 3D objects with multiple hidden cues
Progressive patterns: Patterns with multiple evolving attributes across a sequence
Interconnected clues: Decomposition problems where solving one clue depends on another
Picture-to-number mapping: Visuals representing numerical values (picture equations, visual algebra precursors)
Complex algorithmic procedures: Multi-layered rules applied to grids, sequences, ordering, and counting
Integration across subjects: CT problems embedded in Maths and TWAU content at Class 5 textbook level

Full Preparatory Stage Progression (Classes 3-5)

CT Skill	Class 3	Class 4	Class 5
Abstract Thinking	Hidden/unseen ideas	Partially visible/incomplete; adds symmetry and mirror images	Complex, multi-layered hidden cues; adds clockwise/counter-clockwise, water images
Pattern Recognition	Simple, 1-2 changes	One or more changes	Progressive patterns, multiple changes
Decomposition	2-3 clues	Cluster of moderate clues; adds counting/grouping/sorting	Higher-order, interconnected clues; adds pictorial numerical representations
Algorithmic Thinking	Clear step-by-step rules	Well-defined, elaborate conditions; adds swaps, attribute-based ordering	Multi-layered rules for advanced problems

Transition to Middle Stage (Class 6)

After Class 5, students move to the Middle Stage where:

CT skills advance significantly (40 hours/year on advanced CT), AI is introduced as a new component (20 hours/year), Interdisciplinary projects become a core component (40 hours/year), Computer teachers become involved alongside subject teachers, Assessment expands to include practical exams, thematic projects, and reflective journals