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Complete Letter Sequences with Two Patterns

In this worksheet, students will work out the next two letters in an alphabetic sequence. It will develop students’ problem solving and code-breaking skills.

'Complete Letter Sequences with Two Patterns' worksheet

Key stage:  KS 2

Curriculum topic:   Verbal Reasoning

Curriculum subtopic:   Letter Sequences

Difficulty level:  

Worksheet Overview

QUESTION 1 of 10

Hello letter detective, it's time for a letter puzzle. Can you help us to solve the challenge below?

 

We are going to look at the alphabet in a different way than you usually would.

 

In this activity, you will be working out sequences that use letters of the alphabet. Some will be in alphabetical order, whilst others will be in reverse alphabetical order.

 

 

Here is the alphabet for you to use as a reference:
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Z Y X W V U T S R Q P O N M L K J I H G F E D C B A 


Take a look at the following alphabetic sequence:
AC, DG, HL, _

 

 

What are the next two letters in the sequence? 

 

 

First, put your fingers on the letters A and C on the alphabet line above.
Then move them to D and G.
Then move them to H and L.


What do you notice?


The pattern is that the gap between each pair of letters widens by one each time like this: A_C, D_ _G, H_ _ _L etc.
If we apply this pattern then we get MR.
So the sequence would be: AC, DG, HL, MR, etc…

 

Did you get this?

 

In this activity, you will be a sequence superstar and work out which two letters come next.

 

EdPlace 11+ detective

Pssstt!

Here's a handy hint to help you reach superstar status:

Don't forget to use the letter line to help you work out the jumping pattern.

 

 

Good luck letter sequencer!

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