ReasoningAges 13-15

Shift cipher decoding

Apply a fixed forward alphabet shift to encode or decode a letter accurately. Review suitability for your learners before teaching.

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Age band:Ages 10-12 Ages 13-15

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Worksheet StudioPractice pack · Ages 13-15

Shift cipher decoding

Take your time. Show your thinking.

1. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does J become?
1 · Shift cipher decoding
2. In a shift cipher where every letter moves 5 places forward in the alphabet, what letter does D become?
5 · Shift cipher decoding
3. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does R become?
1 · Shift cipher decoding
4. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does G become?
4 · Shift cipher decoding
5. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does K become?
4 · Shift cipher decoding
6. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does P become?
4 · Shift cipher decoding
7. In a shift cipher where every letter moves 2 places forward in the alphabet, what letter does F become?
2 · Shift cipher decoding
8. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does E become?
4 · Shift cipher decoding
9. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does L become?
4 · Shift cipher decoding
10. In a shift cipher where every letter moves 3 places forward in the alphabet, what letter does N become?
3 · Shift cipher decoding
11. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does C become?
4 · Shift cipher decoding
12. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does S become?
1 · Shift cipher decoding

12 questions · Seed 104739 · Age guidance, not curriculum certification

View the answer key

Worksheet StudioAnswer key · Ages 13-15

Shift cipher decoding

Answers and reasoning. Review before teaching.

1. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does J become?
K
Moving 1 place forward from J reaches K.
2. In a shift cipher where every letter moves 5 places forward in the alphabet, what letter does D become?
I
Moving 5 places forward from D reaches I.
3. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does R become?
S
Moving 1 place forward from R reaches S.
4. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does G become?
K
Moving 4 places forward from G reaches K.
5. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does K become?
O
Moving 4 places forward from K reaches O.
6. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does P become?
T
Moving 4 places forward from P reaches T.
7. In a shift cipher where every letter moves 2 places forward in the alphabet, what letter does F become?
H
Moving 2 places forward from F reaches H.
8. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does E become?
I
Moving 4 places forward from E reaches I.
9. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does L become?
P
Moving 4 places forward from L reaches P.
10. In a shift cipher where every letter moves 3 places forward in the alphabet, what letter does N become?
Q
Moving 3 places forward from N reaches Q.
11. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does C become?
G
Moving 4 places forward from C reaches G.
12. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does S become?
T
Moving 1 place forward from S reaches T.

12 questions · Seed 104739 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 13-15

Shift cipher decoding

Take your time. Show your thinking.

1. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does J become?
1 · Shift cipher decoding
2. In a shift cipher where every letter moves 5 places forward in the alphabet, what letter does D become?
5 · Shift cipher decoding
3. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does R become?
1 · Shift cipher decoding
4. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does G become?
4 · Shift cipher decoding
5. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does K become?
4 · Shift cipher decoding
6. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does P become?
4 · Shift cipher decoding
7. In a shift cipher where every letter moves 2 places forward in the alphabet, what letter does F become?
2 · Shift cipher decoding
8. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does E become?
4 · Shift cipher decoding
9. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does L become?
4 · Shift cipher decoding
10. In a shift cipher where every letter moves 3 places forward in the alphabet, what letter does N become?
3 · Shift cipher decoding
11. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does C become?
4 · Shift cipher decoding
12. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does S become?
1 · Shift cipher decoding

12 questions · Seed 104739 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 13-15

Shift cipher decoding

Answers and reasoning. Review before teaching.

1. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does J become?
K
Moving 1 place forward from J reaches K.
2. In a shift cipher where every letter moves 5 places forward in the alphabet, what letter does D become?
I
Moving 5 places forward from D reaches I.
3. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does R become?
S
Moving 1 place forward from R reaches S.
4. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does G become?
K
Moving 4 places forward from G reaches K.
5. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does K become?
O
Moving 4 places forward from K reaches O.
6. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does P become?
T
Moving 4 places forward from P reaches T.
7. In a shift cipher where every letter moves 2 places forward in the alphabet, what letter does F become?
H
Moving 2 places forward from F reaches H.
8. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does E become?
I
Moving 4 places forward from E reaches I.
9. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does L become?
P
Moving 4 places forward from L reaches P.
10. In a shift cipher where every letter moves 3 places forward in the alphabet, what letter does N become?
Q
Moving 3 places forward from N reaches Q.
11. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does C become?
G
Moving 4 places forward from C reaches G.
12. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does S become?
T
Moving 1 place forward from S reaches T.

12 questions · Seed 104739 · Age guidance, not curriculum certification