ReasoningAges 10-12

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 10-12

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

12 questions · Seed 68 · Age guidance, not curriculum certification

View the answer key

Worksheet StudioAnswer key · Ages 10-12

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

12 questions · Seed 68 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 10-12

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

12 questions · Seed 68 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 10-12

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

12 questions · Seed 68 · Age guidance, not curriculum certification