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

12 questions · Seed 51 · 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 5 places forward in the alphabet, what letter does Q become?
V
Moving 5 places forward from Q reaches V.
2. In a shift cipher where every letter moves 2 places forward in the alphabet, what letter does J become?
L
Moving 2 places forward from J reaches L.
3. 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.
4. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does H become?
I
Moving 1 place forward from H reaches I.
5. 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.
6. In a shift cipher where every letter moves 5 places forward in the alphabet, what letter does K become?
P
Moving 5 places forward from K reaches P.
7. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does F become?
J
Moving 4 places forward from F reaches J.
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 4 places forward in the alphabet, what letter does P become?
T
Moving 4 places forward from P reaches T.
10. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does N become?
O
Moving 1 place forward from N reaches O.
11. In a shift cipher where every letter moves 6 places forward in the alphabet, what letter does L become?
R
Moving 6 places forward from L reaches R.
12. In a shift cipher where every letter moves 2 places forward in the alphabet, what letter does C become?
E
Moving 2 places forward from C reaches E.

12 questions · Seed 51 · 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 5 places forward in the alphabet, what letter does Q become?
5 · Shift cipher decoding
2. In a shift cipher where every letter moves 2 places forward in the alphabet, what letter does J become?
2 · Shift cipher decoding
3. In a shift cipher where every letter moves 2 places forward in the alphabet, what letter does I become?
2 · Shift cipher decoding
4. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does H become?
1 · Shift cipher decoding
5. In a shift cipher where every letter moves 6 places forward in the alphabet, what letter does H become?
6 · Shift cipher decoding
6. In a shift cipher where every letter moves 5 places forward in the alphabet, what letter does K become?
5 · Shift cipher decoding
7. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does F become?
4 · 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 4 places forward in the alphabet, what letter does P become?
4 · Shift cipher decoding
10. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does N become?
1 · Shift cipher decoding
11. In a shift cipher where every letter moves 6 places forward in the alphabet, what letter does L become?
6 · Shift cipher decoding
12. In a shift cipher where every letter moves 2 places forward in the alphabet, what letter does C become?
2 · Shift cipher decoding

12 questions · Seed 51 · 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 5 places forward in the alphabet, what letter does Q become?
V
Moving 5 places forward from Q reaches V.
2. In a shift cipher where every letter moves 2 places forward in the alphabet, what letter does J become?
L
Moving 2 places forward from J reaches L.
3. 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.
4. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does H become?
I
Moving 1 place forward from H reaches I.
5. 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.
6. In a shift cipher where every letter moves 5 places forward in the alphabet, what letter does K become?
P
Moving 5 places forward from K reaches P.
7. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does F become?
J
Moving 4 places forward from F reaches J.
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 4 places forward in the alphabet, what letter does P become?
T
Moving 4 places forward from P reaches T.
10. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does N become?
O
Moving 1 place forward from N reaches O.
11. In a shift cipher where every letter moves 6 places forward in the alphabet, what letter does L become?
R
Moving 6 places forward from L reaches R.
12. In a shift cipher where every letter moves 2 places forward in the alphabet, what letter does C become?
E
Moving 2 places forward from C reaches E.

12 questions · Seed 51 · Age guidance, not curriculum certification