Fourth Standard

Title	Link
Counting: Combinations
Counting: Combinations with conditions
Solving Sudoku - 4 x 4
Solving Sudoku - 4 x 4 - More Examples
Puzzle: Arithmagon
Finding squares & rectangles (1x1, 1x2, 2x1, 2x2,...)
Patterns in words
Patterns in numbers
Patterns in shapes
Arranging Information: Tables
Data Compression
Representing Information & Introduction to Codes
Decomposition: Tower of Hanoi
Following instructions: Robot game
Devising & Following instructions: Robot game
Algorithms: Help Aambot pick mangoes
Introduction to Searching: Numbers
Debugging programs
Complex patterns: Symmetry
Basic Conditionals: Using AND/OR