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Pattern Approach

This method can be used if there is a pattern can be detected when a set of data is collected. This is a popular method for resolving statistic related questions.

The step of using pattern approach is:

  1. Collect the list of data and search of pattern
  2. Use the pattern to form a conjecture or hypothesis (assumption) and solve the problem

Example

Find the total number of square on a 4 x 4 checkerboard.

Yes, you can resolve it by counting the number of squares but this is not systematic and you may actually miss out on some squares or duplicate counting on it. A more systematic way is to find out how many types of squares

In fact, if you study carefully, there are 4 types of squares:

1-unit square

2-units square

3-units square

4-units square

To resolve, we can calculate in this way:

1 -unit square: 42 or 4 x 4 2 -unit square: 32 or 3 x 3 3 -unit square: 22 or 2 x 2 1 -unit square: 12 or 1 x 1 So we sum them all together: (16 + 9 + 4 + 1) = 30 squares.

As you can see, the number of squares for each type (1 -unit square,ect) is a square number. (42,32,22,12) and that form a pattern. This approach can be used for problem that has repeated similar properties or pattern.

Parenting Guide on Primary School Math (Singapore)
Heuristic Approach
  1. Guess And Check Approach
  2. Pattern Approach
  3. Lateral Thinking
  4. Deductive Thinking
  5. Modelling
  6. Investigation
  7. Set Concept
Model Approach
  1. Equal Concept
  2. Comparison Concept
  3. Difference Concept
  4. Multiple Concept
  5. Combine Multiple & Difference Concept

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