Coding Decoding Worksheet
How to think it through (Letter by letter): Write the word above its code and compare each pair of letters. Find the rule: the same move (+1, −2 …), opposite letters (A ↔ Z, B ↔ Y), or the word reversed. Apply the same rule to the new word. After Z comes A again.
NameDateTime takenScore ___ / 40
- 1.If SUN is written as VXQ, how is BELL written in the same code? (a) YBII (b) FIPP (c) DGNN (d) EHOO
- 2.If BOOK is written as MQQD, how is JUMP written in the same code? (a) ROWL (b) LWOR (c) PMUJ (d) NKSH
- 3.If DESK is written as LTFE, how is JUMP written in the same code? (a) OLTI (b) PMUJ (c) KVNQ (d) QNVK
- 4.If MILK is written as KLIM, how is SUN written in the same code? (a) MTR (b) NUS (c) OVT (d) TVO
- 5.If CAKE is written as GMCE, how is JUMP written in the same code? (a) PMUJ (b) LWOR (c) ROWL (d) NKSH
- 6.If HAND is written as SZMW, how is TOYS written in the same code? (a) UPZT (b) GLBH (c) HMCI (d) FKAG
- 7.If BALL is written as KKZA, how is COLD written in the same code? (a) CKNB (b) EMPD (c) DLOC (d) BNKC
- 8.If NEST is written as MVHG, how is TOYS written in the same code? (a) UPZT (b) HMCI (c) FKAG (d) GLBH
- 9.If FISH is written as URHS, how is SHIP written in the same code? (a) TIJQ (b) HSRK (c) ITSL (d) GRQJ
- 10.If PARK is written as KZIP, how is KITE written in the same code? (a) LJUF (b) OQFU (c) QSHW (d) PRGV
- 11.If JUMP is written as QNVK, how is DOG written in the same code? (a) FNC (b) GOD (c) HPE (d) EPH
- 12.If SHIP is written as PIHS, how is BOAT written in the same code? (a) UBPC (b) SZNA (c) TAOB (d) CPBU
- 13.If PEN is written as QFO, how is MILK written in the same code? (a) LHKJ (b) LMJN (c) NJML (d) OKNM
- 14.If DRUM is written as WIFN, how is GOLD written in the same code? (a) SKNV (b) TLOW (c) UMPX (d) HPME
- 15.If PARK is written as RCTM, how is STAR written in the same code? (a) VWDU (b) UVCT (c) TUBS (d) QRYP
- 16.If TREE is written as SQDD, how is DRUM written in the same code? (a) ESVN (b) CQTL (c) DRUM (d) BPSK
- 17.If MOON is written as NOOM, how is FROG written in the same code? (a) FNQE (b) GSPH (c) GORF (d) HPSG
- 18.If MILK is written as LMJN, how is PEN written in the same code? (a) OFQ (b) QFO (c) MDO (d) NEP
- 19.If MILK is written as LMJN, how is JUMP written in the same code? (a) QNVK (b) KVNQ (c) PMUJ (d) OLTI
- 20.If BELL is written as ADKK, how is MOON written in the same code? (a) NPPO (b) MOON (c) LNNM (d) KMML
- 21.If TREE is written as SQDD, how is BELL written in the same code? (a) ADKK (b) BELL (c) ZCJJ (d) CFMM
- 22.If GOLD is written as DLOG, how is FROG written in the same code? (a) GSPH (b) FNQE (c) HPSG (d) GORF
- 23.If RAIN is written as UDLQ, how is TREE written in the same code? (a) VTGG (b) WUHH (c) XVII (d) QOBB
- 24.If LION is written as ORLM, how is PEN written in the same code? (a) LWN (b) QFO (c) JUL (d) KVM
- 25.If SHIP is written as RKJU, how is CAT written in the same code? (a) RYA (b) VCE (c) ECV (d) TAC
- 26.If SUN is written as NUS, how is DRUM written in the same code? (a) ESVN (b) LTQC (c) NVSE (d) MURD
- 27.If LAMP is written as MBNQ, how is STAR written in the same code? (a) TUBS (b) UVCT (c) SBUT (d) RSZQ
- 28.If FISH is written as URHS, how is BOOK written in the same code? (a) ZMMQ (b) CPPL (c) XKKO (d) YLLP
- 29.If KITE is written as DSHJ, how is FISH written in the same code? (a) HSIF (b) EHRG (c) ITJG (d) GRHE
- 30.If STAR is written as HGZI, how is PEN written in the same code? (a) JUL (b) KVM (c) LWN (d) QFO
- 31.If BOOK is written as LPPC, how is DOG written in the same code? (a) EPH (b) GOD (c) HPE (d) FNC
- 32.If KITE is written as PRGV, how is GOLD written in the same code? (a) HPME (b) SKNV (c) TLOW (d) UMPX
- 33.If SHIP is written as HSRK, how is PEN written in the same code? (a) KVM (b) JUL (c) LWN (d) QFO
- 34.If LION is written as JGML, how is FISH written in the same code? (a) CFPE (b) HKUJ (c) EHRG (d) DGQF
- 35.If NEST is written as TSEN, how is BOOK written in the same code? (a) CPPL (b) JNNA (c) LPPC (d) KOOB
- 36.If BOOK is written as JNNA, how is STAR written in the same code? (a) SBUT (b) RSZQ (c) RATS (d) QZSR
- 37.If LAMP is written as OLZK, how is PEN written in the same code? (a) OFQ (b) MDO (c) ODM (d) NEP
- 38.If DESK is written as GHVN, how is LAMP written in the same code? (a) PEQT (b) ODPS (c) IXJM (d) NCOR
- 39.If LION is written as PQKN, how is SHIP written in the same code? (a) RKJU (b) NGFQ (c) PIHS (d) UJKR
- 40.If JUMP is written as KVNQ, how is LION written in the same code? (a) MJPO (b) KHNM (c) OPJM (d) NKQP
Answer key
- EHOO
- ROWL
- QNVK
- NUS
- ROWL
- GLBH
- CKNB
- GLBH
- HSRK
- PRGV
- HPE
- TAOB
- NJML
- TLOW
- UVCT
- CQTL
- GORF
- OFQ
- QNVK
- LNNM
- ADKK
- GORF
- WUHH
- KVM
- VCE
- MURD
- TUBS
- YLLP
- GRHE
- KVM
- HPE
- TLOW
- KVM
- DGQF
- KOOB
- QZSR
- MDO
- ODPS
- RKJU
- MJPO
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