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

12 questions · Seed 45 · 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 6 places forward in the alphabet, what letter does B become?
H
Moving 6 places forward from B reaches H.
2. In a shift cipher where every letter moves 5 places forward in the alphabet, what letter does T become?
Y
Moving 5 places forward from T reaches Y.
3. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does E become?
F
Moving 1 place forward from E reaches F.
4. In a shift cipher where every letter moves 5 places forward in the alphabet, what letter does G become?
L
Moving 5 places forward from G reaches L.
5. 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.
6. In a shift cipher where every letter moves 2 places forward in the alphabet, what letter does N become?
P
Moving 2 places forward from N reaches P.
7. 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.
8. In a shift cipher where every letter moves 6 places forward in the alphabet, what letter does I become?
O
Moving 6 places forward from I reaches O.
9. In a shift cipher where every letter moves 3 places forward in the alphabet, what letter does A become?
D
Moving 3 places forward from A reaches D.
10. In a shift cipher where every letter moves 2 places forward in the alphabet, what letter does I become?
K
Moving 2 places forward from I reaches K.
11. In a shift cipher where every letter moves 5 places forward in the alphabet, what letter does C become?
H
Moving 5 places forward from C reaches H.
12. In a shift cipher where every letter moves 6 places forward in the alphabet, what letter does H become?
N
Moving 6 places forward from H reaches N.

12 questions · Seed 45 · 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 6 places forward in the alphabet, what letter does B become?
6 · Shift cipher decoding
2. In a shift cipher where every letter moves 5 places forward in the alphabet, what letter does T become?
5 · Shift cipher decoding
3. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does E become?
1 · Shift cipher decoding
4. In a shift cipher where every letter moves 5 places forward in the alphabet, what letter does G become?
5 · Shift cipher decoding
5. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does Q become?
1 · Shift cipher decoding
6. In a shift cipher where every letter moves 2 places forward in the alphabet, what letter does N become?
2 · Shift cipher decoding
7. In a shift cipher where every letter moves 3 places forward in the alphabet, what letter does L become?
3 · Shift cipher decoding
8. In a shift cipher where every letter moves 6 places forward in the alphabet, what letter does I become?
6 · Shift cipher decoding
9. In a shift cipher where every letter moves 3 places forward in the alphabet, what letter does A become?
3 · Shift cipher decoding
10. In a shift cipher where every letter moves 2 places forward in the alphabet, what letter does I become?
2 · Shift cipher decoding
11. In a shift cipher where every letter moves 5 places forward in the alphabet, what letter does C become?
5 · Shift cipher decoding
12. In a shift cipher where every letter moves 6 places forward in the alphabet, what letter does H become?
6 · Shift cipher decoding

12 questions · Seed 45 · 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 6 places forward in the alphabet, what letter does B become?
H
Moving 6 places forward from B reaches H.
2. In a shift cipher where every letter moves 5 places forward in the alphabet, what letter does T become?
Y
Moving 5 places forward from T reaches Y.
3. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does E become?
F
Moving 1 place forward from E reaches F.
4. In a shift cipher where every letter moves 5 places forward in the alphabet, what letter does G become?
L
Moving 5 places forward from G reaches L.
5. 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.
6. In a shift cipher where every letter moves 2 places forward in the alphabet, what letter does N become?
P
Moving 2 places forward from N reaches P.
7. 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.
8. In a shift cipher where every letter moves 6 places forward in the alphabet, what letter does I become?
O
Moving 6 places forward from I reaches O.
9. In a shift cipher where every letter moves 3 places forward in the alphabet, what letter does A become?
D
Moving 3 places forward from A reaches D.
10. In a shift cipher where every letter moves 2 places forward in the alphabet, what letter does I become?
K
Moving 2 places forward from I reaches K.
11. In a shift cipher where every letter moves 5 places forward in the alphabet, what letter does C become?
H
Moving 5 places forward from C reaches H.
12. In a shift cipher where every letter moves 6 places forward in the alphabet, what letter does H become?
N
Moving 6 places forward from H reaches N.

12 questions · Seed 45 · Age guidance, not curriculum certification