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

12 questions · Seed 104730 · 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 R become?
W
Moving 5 places forward from R reaches W.
2. 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.
3. 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.
4. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does O become?
P
Moving 1 place forward from O reaches P.
5. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does N become?
R
Moving 4 places forward from N reaches R.
6. 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.
7. In a shift cipher where every letter moves 6 places forward in the alphabet, what letter does S become?
Y
Moving 6 places forward from S reaches Y.
8. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does A become?
B
Moving 1 place forward from A reaches B.
9. In a shift cipher where every letter moves 3 places forward in the alphabet, what letter does I become?
L
Moving 3 places forward from I reaches L.
10. In a shift cipher where every letter moves 3 places forward in the alphabet, what letter does B become?
E
Moving 3 places forward from B reaches E.
11. In a shift cipher where every letter moves 5 places forward in the alphabet, what letter does J become?
O
Moving 5 places forward from J reaches O.
12. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does K become?
L
Moving 1 place forward from K reaches L.

12 questions · Seed 104730 · 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 R become?
5 · Shift cipher decoding
2. In a shift cipher where every letter moves 5 places forward in the alphabet, what letter does K become?
5 · Shift cipher decoding
3. In a shift cipher where every letter moves 3 places forward in the alphabet, what letter does N become?
3 · Shift cipher decoding
4. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does O become?
1 · Shift cipher decoding
5. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does N become?
4 · Shift cipher decoding
6. In a shift cipher where every letter moves 3 places forward in the alphabet, what letter does G become?
3 · Shift cipher decoding
7. In a shift cipher where every letter moves 6 places forward in the alphabet, what letter does S become?
6 · Shift cipher decoding
8. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does A become?
1 · Shift cipher decoding
9. In a shift cipher where every letter moves 3 places forward in the alphabet, what letter does I become?
3 · Shift cipher decoding
10. In a shift cipher where every letter moves 3 places forward in the alphabet, what letter does B become?
3 · Shift cipher decoding
11. In a shift cipher where every letter moves 5 places forward in the alphabet, what letter does J become?
5 · Shift cipher decoding
12. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does K become?
1 · Shift cipher decoding

12 questions · Seed 104730 · 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 R become?
W
Moving 5 places forward from R reaches W.
2. 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.
3. 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.
4. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does O become?
P
Moving 1 place forward from O reaches P.
5. In a shift cipher where every letter moves 4 places forward in the alphabet, what letter does N become?
R
Moving 4 places forward from N reaches R.
6. 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.
7. In a shift cipher where every letter moves 6 places forward in the alphabet, what letter does S become?
Y
Moving 6 places forward from S reaches Y.
8. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does A become?
B
Moving 1 place forward from A reaches B.
9. In a shift cipher where every letter moves 3 places forward in the alphabet, what letter does I become?
L
Moving 3 places forward from I reaches L.
10. In a shift cipher where every letter moves 3 places forward in the alphabet, what letter does B become?
E
Moving 3 places forward from B reaches E.
11. In a shift cipher where every letter moves 5 places forward in the alphabet, what letter does J become?
O
Moving 5 places forward from J reaches O.
12. In a shift cipher where every letter moves 1 place forward in the alphabet, what letter does K become?
L
Moving 1 place forward from K reaches L.

12 questions · Seed 104730 · Age guidance, not curriculum certification