Patterns Chapter Notes | Mathematics Class 2 ICSE PDF Download

Introduction

Patterns are like a fun game of spotting and creating sequences! They are all around us—in the designs on clothes, the numbers we count, and even the letters we use. This chapter will help you discover how shapes, numbers, and letters follow special rules to create exciting patterns. Get ready to observe, think, and create your own patterns!

Patterns in Shapes

Patterns in shapes are created by repeating different shapes in a specific order.

• Step 1: Look at the shapes and their order carefully.
• Step 2: Identify the repeating shape (e.g., circle, square, circle, square).
• Step 3: Decide which shape comes next.

Example: In a pattern like star, heart, star and heart, what is the next shape?

The next shape is a star because the rule alternates between star and heart.

Patterns in Numbers

Number patterns are sequences of numbers that follow a specific rule.

• Step 1: Observe the given numbers in the sequence.
• Step 2: Find the difference between consecutive numbers to identify the rule (e.g., add or subtract a specific number).
• Step 3: Apply the rule to find the next number in the sequence.
• Step 4: Write the next number to complete the pattern.

Example: Find the missing number?

The numbers are 2, 4, 6. There is a difference of 2 between these. So the next number is 8.

Patterns in Letters

Letter patterns are sequences of letters that follow a specific rule.

• Step 1: Look at the letters and their order in the sequence.
• Step 2: Identify the rule, such as skipping a certain number of letters or following a specific sequence.
• Step 3: Use the rule to determine the next letter or group of letters.
• Step 4: Write the next letter(s) to continue the pattern.

Example: In the pattern a, c, e, g, i, the rule is to skip one letter (a to c skips b, c to e skips d, etc.).

Example: Find the missing letter?

English alphabet from the last Z, Y, X, W, V, U. 

So the missing letter is X.