 # Solve Alphabetical Sequences Using Double Letter Pairs in Both Directions

In this worksheet, students will solve alphabetical sequences involving double letter pairs in both forward and reverse motions. It will develop students’ problem solving and sequencing skills. Key stage:  KS 2

Curriculum topic:   Verbal Reasoning

Curriculum subtopic:   Letter Connections

Difficulty level:   ### QUESTION 1 of 10

Letter detective, we need your help! In this activity, we will be using the alphabet to help us crack a letter code!

There are many different types of sequences. In letter pair sequences there are pairs of letters joined together by a common theme, normally the amount of space between them. Some follow a forwards sequence, while others follow a reverse alphabet sequence.

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

Look at the following letter sequence:

US is to QO as MK is to ___?

First, we have to work out how the first letter of the first pair (US) gets to the first letter of the second pair (QO).

To get from U to Q, we jump 4 places to the left.

Then we have to work out how the second letter of the first pair gets to the second letter of the second pair.

To get from S to O we also jump 4 places to the left.

This means we need to do the same to the letters M and K to work out the missing letters in our sequence.

This makes our missing letters IG.

US is to QO as MK is to IG. Let’s try another:

TR is to SU as BL is to ___?

To get from the first letter of the first pair to the first letter of the second pair, we jump 1 place to the left.

To get from the second letter of the first pair to the second letter of the second pair, we jump 3 places to the right.

This means we need to jump one place to the left from the letter B, giving us A and then three places to the right from L, giving us O.

TR is to SU as BL is to AO.

In this activity, you will need to be a sequence superstar and complete the letter pairs.

Remember to use the alphabet line to help you work out the code.

Here are two groups of letter pairs. Each group follows the same special sequence, but with different letters.

CH is to DL as LT is to ______ ? Use your detective skills to work out the special sequence and find the missing letter pair.

 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

Here are two groups of letter pairs. Each group follows the same special sequence, but with different letters.

JM is to RW as CE is to ______ ?

Use your detective skills to work out the special sequence and find the missing letter pair.

 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

Here are two groups of letter pairs. Each group follows the same special sequence, but with different letters.

PK is to AT  as JY is to ______ ? Use your detective skills to work out the special sequence and find the missing letter pair.

 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

Here are two groups of letter pairs. Each group follows the same special sequence, but with different letters.

BU is to AZ as DL is to ______ ?

Use your detective skills to work out the special sequence and find the missing letter pair.

 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

Here are two groups of letter pairs. Each group follows the same special sequence, but with different letters.

RL is to DV as QO is to ______ ?

Use your detective skills to work out the special sequence and find the missing letter pair.

 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

Here are two groups of letter pairs. Each group follows the same special sequence, but with different letters.

BG is to QF as ZP is to ______ ?

Use your detective skills to work out the special sequence and find the missing letter pair.

 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

Here are two groups of letter pairs. Each group follows the same special sequence, but with different letters.

HV is to GD as UW is to ______ ? Use your detective skills to work out the special sequence and find the missing letter pair.

 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

Here are two groups of letter pairs. Each group follows the same special sequence, but with different letters.

SQ is to RP as JB is to ______ ?

Use your detective skills to work out the special sequence and find the missing letter pair.

 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

Here are two groups of letter pairs. Each group follows the same special sequence, but with different letters.

TU is to FY as IA is to ______ ? Use your detective skills to work out the special sequence and find the missing letter pair.

 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

Here are two groups of letter pairs. Each group follows the same special sequence, but with different letters.

BY is to PD as ZW is to ______ ?

Use your detective skills to work out the special sequence and find the missing letter pair.

 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
• Question 1

Here are two groups of letter pairs. Each group follows the same special sequence, but with different letters.

CH is to DL as LT is to ______ ? Use your detective skills to work out the special sequence and find the missing letter pair.

 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
MX
EDDIE SAYS
Thanks for joining this sequence solving mission! There are two different sequences to look for each time.
The first letter in each pair has a sequence of one jump forwards in the alphabet. The second letter has a sequence of four jumps forwards.
Top tip: Work out and solve the sequence for the first letter in your answer, then do the same for the second letter.
• Question 2

Here are two groups of letter pairs. Each group follows the same special sequence, but with different letters.

JM is to RW as CE is to ______ ?

Use your detective skills to work out the special sequence and find the missing letter pair.

 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
KO
EDDIE SAYS
How did you get on? The first letter in each pair has a sequence of eight jumps forwards in the alphabet. The second letter has a sequence of ten jumps forwards.
• Question 3

Here are two groups of letter pairs. Each group follows the same special sequence, but with different letters.

PK is to AT  as JY is to ______ ? Use your detective skills to work out the special sequence and find the missing letter pair.

 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
UH
EDDIE SAYS
What a lot of letters!
The first letter in each pair has a sequence of eleven jump forwards in the alphabet. The second letter has a sequence of nine jumps forwards.
• Question 4

Here are two groups of letter pairs. Each group follows the same special sequence, but with different letters.

BU is to AZ as DL is to ______ ?

Use your detective skills to work out the special sequence and find the missing letter pair.

 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
CQ
EDDIE SAYS
The first letter in each pair has a sequence of one jump backwards in the alphabet. The second letter has a sequence of five jumps forwards. Remember to count this out loud carefully. You may even want to write this down as you go?
• Question 5

Here are two groups of letter pairs. Each group follows the same special sequence, but with different letters.

RL is to DV as QO is to ______ ?

Use your detective skills to work out the special sequence and find the missing letter pair.

 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
CY
EDDIE SAYS
The first letter in each pair has a sequence of twelve jumps forwards in the alphabet. The second letter has a sequence of ten jumps forwards.
You're now halfway through your mission, sequence spotter!
• Question 6

Here are two groups of letter pairs. Each group follows the same special sequence, but with different letters.

BG is to QF as ZP is to ______ ?

Use your detective skills to work out the special sequence and find the missing letter pair.

 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
OO
EDDIE SAYS
Did you work this one out?
The first letter in each pair has a sequence of fifteen jumps forwards in the alphabet. The second letter has a sequence of one jump backwards in the alphabet.
• Question 7

Here are two groups of letter pairs. Each group follows the same special sequence, but with different letters.

HV is to GD as UW is to ______ ? Use your detective skills to work out the special sequence and find the missing letter pair.

 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
TE
EDDIE SAYS
Top letter locating! The first letter in each pair has a sequence of one jump backwards in the alphabet. The second letter has a sequence of eight jumps forwards.
• Question 8

Here are two groups of letter pairs. Each group follows the same special sequence, but with different letters.

SQ is to RP as JB is to ______ ?

Use your detective skills to work out the special sequence and find the missing letter pair.

 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
IA
EDDIE SAYS
Super sequencing effort!
The first letter in each pair has a sequence of one jump backwards in the alphabet. The second letter also has a sequence of one jump backwards.
• Question 9

Here are two groups of letter pairs. Each group follows the same special sequence, but with different letters.

TU is to FY as IA is to ______ ? Use your detective skills to work out the special sequence and find the missing letter pair.

 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
UE
EDDIE SAYS
The first letter in each pair has a sequence of twelve jumps forwards in the alphabet. The second letter has a sequence of four jumps forwards.
One question left, let's take a peek!
• Question 10

Here are two groups of letter pairs. Each group follows the same special sequence, but with different letters.

BY is to PD as ZW is to ______ ?

Use your detective skills to work out the special sequence and find the missing letter pair.

 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
NB
EDDIE SAYS
The first letter in each pair has a sequence of fourteen jump forwards in the alphabet. The second letter has a sequence of five jumps forwards.
What a treat, this activity is now complete!
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