Patterns

**Category : **3rd Class

**Patterns**

**OBJECTIVE**

- Students will identity patterns in pictures/shapes, numbers and letters.
- Students will develop an understanding extend given patterns.
- Students will be aware of the patterns in their daily surroundings.
- Students will be sort and group objects.
- Patterns serve as the foundation of algebraic thinking.

**Introduction**

A pattern is a repeated design or recurring sequence. It is a set of pictures/ shapes, letters or numbers arranged according to a certain rule.

**Type-I**

Find the missing term or next term in (number or letter) series to continue the given series.

· Identify the order of series (descending or ascending order). Observe the pattern using operations: addition, subtraction, skip counting and reverse counting.

· Identify the order of alphabetical series either A to Z or Z to A.

· Numbering of alphabets series either A to Z or Z to A.

· Skipping letters/numbers.

**Type II**

Find the missing term in the pattern.

· Identify the missing term in the pattern by observing the rule followed in rest of the given terms.

**Type III**

Find the missing part in the figure pattern,

· Complete the figure pattern by drawing its incomplete part in the pattern

**Type I. Picture Based Pattern**

**Example - 1**

How many smiling faces will be there in Pattern 5?

Pattern 1 Pattern 2 Patterns 3

(a) 10 (b) 12

(c) 15 (d) 16

**Ans. (c)**

**Explanation:**

Smiling faces in pattern 1=3

Smiling faces in pattern 2=6

Smiling faces in pattern 3=9

So, the Pattern is as follows

**Example - 2**

Joshua is weaving a pattern into a rug. What would most likely come next?

(a)

(b)

(c)

(d)

**Ans. (a)**

**Explanation:**

Each pattern repeats itself at every fourth step.

**Example - 3**

Which of the following options will complete the figure (X)?

(a) (b)

(c) (d)

Ans (d)

**Type II: Number Based Pattern**

**Example - 4**

Complete the number pattern.

3, 6, 11, 18, 27, ___?___, 51, ____?____.

(a) 34, 60 (b) 38, 66

(c) 42, 71 (d) 46, 75

**Ans. (b)**

**Explanation:**

Rule followed in the series is:

Difference between consecutive terms are consecutive odd numbers.

**Type III: Alphabet Based Pattern:**

**Example - 5**

(a) IP (b) PU

(c) MT (d) NS

**Ans. (c)**

**Explanation:**

The Pattern is as follows:

I Series

II Series

So, MT will complete the alphabet pattern.

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