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 KITE is written as ETIK, how is MOON written in the same code? (a) NOOM (b) NPPO (c) MNNL (d) OPPN
- 2.If JUMP is written as QNVK, how is LION written in the same code? (a) NOIL (b) MJPO (c) MNHK (d) OPJM
- 3.If PARK is written as KRAP, how is PEN written in the same code? (a) NEP (b) OFQ (c) QFO (d) MDO
- 4.If NEST is written as TSEN, how is COLD written in the same code? (a) DPME (b) EMPD (c) DLOC (d) CKNB
- 5.If PARK is written as NYPI, how is SHIP written in the same code? (a) UJKR (b) QFGN (c) RGHO (d) PEFM
- 6.If DRUM is written as NVSE, how is RAIN written in the same code? (a) NIAR (b) MHZQ (c) OJBS (d) SBJO
- 7.If DOG is written as GOD, how is SHIP written in the same code? (a) OHGR (b) QJIT (c) PIHS (d) TIJQ
- 8.If WIND is written as FPKY, how is PEN written in the same code? (a) NEP (b) PGR (c) LCN (d) RGP
- 9.If HAND is written as SZMW, how is FISH written in the same code? (a) TQGR (b) GJTI (c) URHS (d) VSIT
- 10.If WIND is written as DNIW, how is DESK written in the same code? (a) EFTL (b) LTFE (c) JRDC (d) KSED
- 11.If SUN is written as HFM, how is PEN written in the same code? (a) JUL (b) QFO (c) KVM (d) LWN
- 12.If FISH is written as URHS, how is SUN written in the same code? (a) TVO (b) GEL (c) IGN (d) HFM
- 13.If STAR is written as QZSR, how is BALL written in the same code? (a) MMBC (b) AZKK (c) KKZA (d) LLAB
- 14.If BALL is written as YZOO, how is TREE written in the same code? (a) USFF (b) HJWW (c) FHUU (d) GIVV
- 15.If CAKE is written as GMCE, how is MILK written in the same code? (a) IJGK (b) OKNM (c) MNKO (d) KLIM
- 16.If FROG is written as UILT, how is BALL written in the same code? (a) CBMM (b) XYNN (c) ZAPP (d) YZOO
- 17.If LAMP is written as ODPS, how is NEST written in the same code? (a) QHVW (b) KBPQ (c) PGUV (d) RIWX
- 18.If BOAT is written as UBPC, how is RAIN written in the same code? (a) OJBS (b) MHZQ (c) NIAR (d) SBJO
- 19.If TOYS is written as RXNS, how is DOG written in the same code? (a) CNF (b) HPE (c) GOD (d) FNC
- 20.If MILK is written as NROP, how is BALL written in the same code? (a) YZOO (b) CBMM (c) ZAPP (d) XYNN
- 21.If DESK is written as JRDC, how is BOOK written in the same code? (a) JNNA (b) LPPC (c) KOOB (d) ANNJ
- 22.If STAR is written as SBUT, how is COLD written in the same code? (a) DPME (b) EMPD (c) CKNB (d) DLOC
- 23.If RAIN is written as IZRM, how is PEN written in the same code? (a) QFO (b) JUL (c) KVM (d) LWN
- 24.If FROG is written as UILT, how is MILK written in the same code? (a) MQNO (b) NROP (c) OSPQ (d) NJML
- 25.If KITE is written as ETIK, how is TOYS written in the same code? (a) SYOT (b) RXNS (c) UPZT (d) TZPU
- 26.If DOG is written as FNC, how is MILK written in the same code? (a) KLIM (b) LMJN (c) JKHL (d) LHKJ
- 27.If CAT is written as XZG, how is BOAT written in the same code? (a) ZMAH (b) CPBU (c) XKYF (d) YLZG
- 28.If DOG is written as HPE, how is SUN written in the same code? (a) MTR (b) TVO (c) OVT (d) NUS
- 29.If TREE is written as DDQS, how is RAIN written in the same code? (a) NIAR (b) MHZQ (c) OJBS (d) QZHM
- 30.If STAR is written as RSZQ, how is BELL written in the same code? (a) ADKK (b) BELL (c) ZCJJ (d) CFMM
- 31.If PEN is written as QFO, how is SUN written in the same code? (a) UWP (b) RTM (c) OVT (d) TVO
- 32.If BOOK is written as ZMMI, how is PEN written in the same code? (a) MBK (b) RGP (c) NCL (d) ODM
- 33.If MILK is written as KLIM, how is JUMP written in the same code? (a) OLTI (b) KVNQ (c) QNVK (d) PMUJ
- 34.If CAKE is written as XZPV, how is GOLD written in the same code? (a) UMPX (b) TLOW (c) SKNV (d) HPME
- 35.If SHIP is written as TIJQ, how is JUMP written in the same code? (a) QNVK (b) ITLO (c) KVNQ (d) LWOR
- 36.If DOG is written as GOD, how is DESK written in the same code? (a) JRDC (b) LTFE (c) KSED (d) EFTL
- 37.If TREE is written as USFF, how is RAIN written in the same code? (a) OJBS (b) TCKP (c) SBJO (d) QZHM
- 38.If BOAT is written as ZMYR, how is PARK written in the same code? (a) OZQJ (b) RCTM (c) MXOH (d) NYPI
- 39.If MOON is written as OPPN, how is FISH written in the same code? (a) HSIF (b) GRHE (c) GJTI (d) ITJG
- 40.If MOON is written as NLLM, how is CAT written in the same code? (a) WYF (b) YAH (c) XZG (d) DBU
Answer key
- NOOM
- OPJM
- NEP
- DLOC
- QFGN
- OJBS
- PIHS
- PGR
- URHS
- KSED
- KVM
- HFM
- KKZA
- GIVV
- MNKO
- YZOO
- QHVW
- OJBS
- FNC
- YZOO
- JNNA
- EMPD
- KVM
- NROP
- SYOT
- JKHL
- YLZG
- OVT
- MHZQ
- ADKK
- TVO
- NCL
- PMUJ
- TLOW
- KVNQ
- KSED
- SBJO
- NYPI
- ITJG
- XZG
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