Patterns

**Category : **1st Class

**OBJECTIVES**

- Students will identify patterns in pictures/shapes, numbers and letters.
- They will develop to extend given patterns.
- They help students to be aware of patterns in their daily surroundings.
- They will help them to 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.

** **

** Examples:**

**(i) Picture / Shape-based Pattern**

** 1.** What comes next in the pattern given?

(a) (b)

(c) (d)

** Ans.** (c) The elements are decreasing by one in each step. So, the correct answer is (c).

**2.** Find the rule followed in the figure pattern and the missing figure.

(a) (b)

(c) (d)

**Ans.** (c) Each figure in the row repeats itself after two figures. So, the missing figure is (c).

**(ii) Number-based Pattern**

**3. **What comes next m the given pattern?

(a) 7 (b) 8

(c) 10 (d) 6

** Ans. **(d) Numbers are given in ascending order. So, the correct answer is (d).

**4.** Complete the number pattern.

(a) 15 (b) 8

(c) 16 (d) 14

**Ans.** (c) The pattern is as follows:

**(iii) Alphabet-based Pattern**

**5. **What comes next in the alphabet-pattern given?

(a) M (b) K

(c) L (d) E

**Ans.** (c) Alphabets are moved on two steps forward.

So, the correct answer is (c).

**6.** Which is the next letter?

(a) (b)

(c) (d)

**Ans.** (d) The pattern of letters is as follows:

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