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.

New variation Try interactive challenge Browse templates

Age band:Ages 10-12 Ages 13-15

Choose “Save as PDF” to keep a copy. Use your browser’s paper setting for A4 or Letter.

Worksheet StudioPractice pack · Ages 13-15

Shift cipher decoding

Take your time. Show your thinking.

1. In a shift cipher where every letter moves 5 places forward in the alphabet, what letter does S become?
5 · Shift cipher decoding
2. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does J become?
4 · Shift cipher decoding
3. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does T become?
1 · Shift cipher decoding
4. In a shift cipher where every letter moves 5 places forward in the alphabet, what letter does Q become?
5 · Shift cipher decoding
5. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does S become?
4 · Shift cipher decoding
6. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does J become?
1 · Shift cipher decoding
7. In a shift cipher where every letter moves 5 places forward in the alphabet, what letter does O become?
5 · Shift cipher decoding
8. In a shift cipher where every letter moves 3 places forward in the alphabet, what letter does N become?
3 · Shift cipher decoding
9. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does Q become?
4 · Shift cipher decoding
10. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does D become?
1 · Shift cipher decoding
11. In a shift cipher where every letter moves 2 places forward in the alphabet, what letter does R become?
2 · Shift cipher decoding
12. In a shift cipher where every letter moves 2 places forward in the alphabet, what letter does H become?
2 · Shift cipher decoding

12 questions · Seed 104740 · 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 5 places forward in the alphabet, what letter does S become?
X
Moving 5 places forward from S reaches X.
2. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does J become?
N
Moving 4 places forward from J reaches N.
3. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does T become?
U
Moving 1 place forward from T reaches U.
4. In a shift cipher where every letter moves 5 places forward in the alphabet, what letter does Q become?
V
Moving 5 places forward from Q reaches V.
5. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does S become?
W
Moving 4 places forward from S reaches W.
6. 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.
7. In a shift cipher where every letter moves 5 places forward in the alphabet, what letter does O become?
T
Moving 5 places forward from O reaches T.
8. 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.
9. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does Q become?
U
Moving 4 places forward from Q reaches U.
10. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does D become?
E
Moving 1 place forward from D reaches E.
11. In a shift cipher where every letter moves 2 places forward in the alphabet, what letter does R become?
T
Moving 2 places forward from R reaches T.
12. In a shift cipher where every letter moves 2 places forward in the alphabet, what letter does H become?
J
Moving 2 places forward from H reaches J.

12 questions · Seed 104740 · 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 5 places forward in the alphabet, what letter does S become?
5 · Shift cipher decoding
2. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does J become?
4 · Shift cipher decoding
3. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does T become?
1 · Shift cipher decoding
4. In a shift cipher where every letter moves 5 places forward in the alphabet, what letter does Q become?
5 · Shift cipher decoding
5. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does S become?
4 · Shift cipher decoding
6. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does J become?
1 · Shift cipher decoding
7. In a shift cipher where every letter moves 5 places forward in the alphabet, what letter does O become?
5 · Shift cipher decoding
8. In a shift cipher where every letter moves 3 places forward in the alphabet, what letter does N become?
3 · Shift cipher decoding
9. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does Q become?
4 · Shift cipher decoding
10. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does D become?
1 · Shift cipher decoding
11. In a shift cipher where every letter moves 2 places forward in the alphabet, what letter does R become?
2 · Shift cipher decoding
12. In a shift cipher where every letter moves 2 places forward in the alphabet, what letter does H become?
2 · Shift cipher decoding

12 questions · Seed 104740 · 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 5 places forward in the alphabet, what letter does S become?
X
Moving 5 places forward from S reaches X.
2. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does J become?
N
Moving 4 places forward from J reaches N.
3. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does T become?
U
Moving 1 place forward from T reaches U.
4. In a shift cipher where every letter moves 5 places forward in the alphabet, what letter does Q become?
V
Moving 5 places forward from Q reaches V.
5. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does S become?
W
Moving 4 places forward from S reaches W.
6. 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.
7. In a shift cipher where every letter moves 5 places forward in the alphabet, what letter does O become?
T
Moving 5 places forward from O reaches T.
8. 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.
9. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does Q become?
U
Moving 4 places forward from Q reaches U.
10. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does D become?
E
Moving 1 place forward from D reaches E.
11. In a shift cipher where every letter moves 2 places forward in the alphabet, what letter does R become?
T
Moving 2 places forward from R reaches T.
12. In a shift cipher where every letter moves 2 places forward in the alphabet, what letter does H become?
J
Moving 2 places forward from H reaches J.

12 questions · Seed 104740 · Age guidance, not curriculum certification