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 BOAT is written as YLZG, how is FISH written in the same code? (a) VSIT (b) TQGR (c) GJTI (d) URHS
- 2.If FROG is written as UILT, how is MOON written in the same code? (a) OMMN (b) MKKL (c) NLLM (d) NPPO
- 3.If NEST is written as MVHG, how is FROG written in the same code? (a) VJMU (b) GSPH (c) THKS (d) UILT
- 4.If FISH is written as HSIF, how is SHIP written in the same code? (a) QJIT (b) TIJQ (c) PIHS (d) OHGR
- 5.If TOYS is written as WRBV, how is PARK written in the same code? (a) TEVO (b) SDUN (c) MXOH (d) RCTM
- 6.If CAT is written as XZG, how is PEN written in the same code? (a) KVM (b) LWN (c) QFO (d) JUL
- 7.If CAT is written as DBU, how is STAR written in the same code? (a) UVCT (b) SBUT (c) RSZQ (d) TUBS
- 8.If SHIP is written as PIHS, how is GOLD written in the same code? (a) HPME (b) CKNF (c) DLOG (d) EMPH
- 9.If FISH is written as DGQF, how is CAT written in the same code? (a) ECV (b) BZS (c) AYR (d) ZXQ
- 10.If DRUM is written as OWTF, how is NEST written in the same code? (a) TSEN (b) PGUV (c) VUGP (d) RQCL
- 11.If DOG is written as WLT, how is DRUM written in the same code? (a) VHEM (b) XJGO (c) ESVN (d) WIFN
- 12.If LION is written as OPJM, how is BOAT written in the same code? (a) TAOB (b) UBPC (c) SZNA (d) CPBU
- 13.If LAMP is written as PMAL, how is BELL written in the same code? (a) LLEB (b) KKDA (c) MMFC (d) CFMM
- 14.If CAKE is written as FLBD, how is DESK written in the same code? (a) JRDC (b) KSED (c) EFTL (d) LTFE
- 15.If BOOK is written as YLLP, how is DRUM written in the same code? (a) XJGO (b) VHEM (c) ESVN (d) WIFN
- 16.If PEN is written as KVM, how is MOON written in the same code? (a) NPPO (b) MKKL (c) NLLM (d) OMMN
- 17.If SUN is written as OVT, how is RAIN written in the same code? (a) OJBS (b) NIAR (c) SBJO (d) MHZQ
- 18.If DRUM is written as WIFN, how is BALL written in the same code? (a) ZAPP (b) YZOO (c) XYNN (d) CBMM
- 19.If LION is written as OPJM, how is MILK written in the same code? (a) KLIM (b) NJML (c) JKHL (d) LMJN
- 20.If FISH is written as URHS, how is NEST written in the same code? (a) LUGF (b) OFTU (c) MVHG (d) NWIH
- 21.If NEST is written as SRDM, how is LION written in the same code? (a) KHNM (b) OPJM (c) NOIL (d) MNHK
- 22.If LION is written as MJPO, how is DRUM written in the same code? (a) ESVN (b) NVSE (c) CQTL (d) FTWO
- 23.If TOYS is written as UAQV, how is KITE written in the same code? (a) ETIK (b) MKVG (c) GVKM (d) CRGI
- 24.If CAKE is written as EKAC, how is PARK written in the same code? (a) KRAP (b) LSBQ (c) QBSL (d) JQZO
- 25.If BELL is written as LLEB, how is RAIN written in the same code? (a) MHZQ (b) NIAR (c) SBJO (d) OJBS
- 26.If PARK is written as KRAP, how is RAIN written in the same code? (a) OJBS (b) MHZQ (c) NIAR (d) SBJO
- 27.If BELL is written as YVOO, how is FISH written in the same code? (a) TQGR (b) VSIT (c) GJTI (d) URHS
- 28.If NEST is written as TSEN, how is DOG written in the same code? (a) FNC (b) GOD (c) EPH (d) HPE
- 29.If DESK is written as EFTL, how is NEST written in the same code? (a) UTFO (b) MDRS (c) PGUV (d) OFTU
- 30.If FISH is written as EHRG, how is PARK written in the same code? (a) NYPI (b) PARK (c) QBSL (d) OZQJ
- 31.If SUN is written as PWU, how is JUMP written in the same code? (a) NKSH (b) PMUJ (c) LWOR (d) ROWL
- 32.If COLD is written as FROG, how is HAND written in the same code? (a) LERH (b) EXKA (c) JCPF (d) KDQG
- 33.If NEST is written as MVHG, how is LION written in the same code? (a) NQKL (b) MJPO (c) ORLM (d) PSMN
- 34.If MOON is written as PQQO, how is SHIP written in the same code? (a) NGFQ (b) UJKR (c) PIHS (d) RKJU
- 35.If BELL is written as CFMM, how is STAR written in the same code? (a) RSZQ (b) TUBS (c) UVCT (d) SBUT
- 36.If DRUM is written as GUXP, how is KITE written in the same code? (a) MKVG (b) HFQB (c) NLWH (d) OMXI
- 37.If SHIP is written as QJIT, how is JUMP written in the same code? (a) KVNQ (b) QNVK (c) PMUJ (d) OLTI
- 38.If DRUM is written as BPSK, how is FISH written in the same code? (a) EHRG (b) DGQF (c) HKUJ (d) CFPE
- 39.If WIND is written as XJOE, how is PARK written in the same code? (a) OZQJ (b) QBSL (c) LSBQ (d) RCTM
- 40.If DOG is written as HPE, how is PARK written in the same code? (a) QBSL (b) JQZO (c) KRAP (d) LSBQ
Answer key
- URHS
- NLLM
- UILT
- PIHS
- SDUN
- KVM
- TUBS
- DLOG
- AYR
- VUGP
- WIFN
- UBPC
- LLEB
- LTFE
- WIFN
- NLLM
- OJBS
- YZOO
- LMJN
- MVHG
- MNHK
- ESVN
- GVKM
- KRAP
- NIAR
- NIAR
- URHS
- GOD
- OFTU
- OZQJ
- ROWL
- KDQG
- ORLM
- RKJU
- TUBS
- NLWH
- QNVK
- DGQF
- QBSL
- LSBQ
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