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 FROG is written as UILT, how is CAKE written in the same code? (a) XZPV (b) DBLF (c) WYOU (d) YAQW
- 2.If DESK is written as KSED, how is BELL written in the same code? (a) CFMM (b) KKDA (c) LLEB (d) MMFC
- 3.If BOAT is written as SZNA, how is HAND written in the same code? (a) CMZG (b) DNAH (c) EOBI (d) GZMC
- 4.If GOLD is written as EMJB, how is CAKE written in the same code? (a) ECMG (b) AYIC (c) BZJD (d) ZXHB
- 5.If BALL is written as YZOO, how is BELL written in the same code? (a) ZWPP (b) CFMM (c) YVOO (d) XUNN
- 6.If PEN is written as NEP, how is FROG written in the same code? (a) HPSG (b) GSPH (c) GORF (d) FNQE
- 7.If HAND is written as SZMW, how is NEST written in the same code? (a) NWIH (b) OFTU (c) MVHG (d) LUGF
- 8.If TREE is written as GIVV, how is GOLD written in the same code? (a) TLOW (b) UMPX (c) HPME (d) SKNV
- 9.If JUMP is written as PMUJ, how is KITE written in the same code? (a) DSHJ (b) LJUF (c) FUJL (d) ETIK
- 10.If PEN is written as KVM, how is WIND written in the same code? (a) CQLV (b) ESNX (c) DRMW (d) XJOE
- 11.If RAIN is written as IZRM, how is SHIP written in the same code? (a) GRQJ (b) TIJQ (c) HSRK (d) ITSL
- 12.If PARK is written as KRAP, how is BOAT written in the same code? (a) TAOB (b) CPBU (c) UBPC (d) SZNA
- 13.If DOG is written as IQF, how is STAR written in the same code? (a) TCVU (b) PYRQ (c) RATS (d) UVCT
- 14.If JUMP is written as QFNK, how is DOG written in the same code? (a) EPH (b) WLT (c) XMU (d) VKS
- 15.If STAR is written as RATS, how is WIND written in the same code? (a) CMHV (b) DNIW (c) EOJX (d) XJOE
- 16.If BALL is written as CBMM, how is BOOK written in the same code? (a) CPPL (b) ANNJ (c) LPPC (d) DQQM
- 17.If FROG is written as GORF, how is TOYS written in the same code? (a) UPZT (b) TZPU (c) SYOT (d) RXNS
- 18.If TOYS is written as SYOT, how is DRUM written in the same code? (a) ESVN (b) NVSE (c) MURD (d) LTQC
- 19.If PARK is written as SDUN, how is FROG written in the same code? (a) HTQI (b) IURJ (c) JVSK (d) COLD
- 20.If KITE is written as LJUF, how is LION written in the same code? (a) KHNM (b) NKQP (c) OPJM (d) MJPO
- 21.If PARK is written as KZIP, how is MOON written in the same code? (a) NPPO (b) MKKL (c) OMMN (d) NLLM
- 22.If NEST is written as MDRS, how is SUN written in the same code? (a) TVO (b) QSL (c) SUN (d) RTM
- 23.If MOON is written as KMML, how is BOOK written in the same code? (a) DQQM (b) ZMMI (c) YLLH (d) ANNJ
- 24.If TREE is written as DDQS, how is MILK written in the same code? (a) LHKJ (b) JKHL (c) KLIM (d) LMJN
- 25.If PEN is written as PGR, how is DOG written in the same code? (a) EMB (b) GOD (c) IQF (d) FQI
- 26.If BOAT is written as TAOB, how is COLD written in the same code? (a) EMPD (b) DPME (c) DLOC (d) CKNB
- 27.If NEST is written as MVHG, how is MILK written in the same code? (a) NJML (b) NROP (c) MQNO (d) OSPQ
- 28.If NEST is written as QHVW, how is GOLD written in the same code? (a) KSPH (b) JROG (c) IQNF (d) DLIA
- 29.If SUN is written as OVT, how is BALL written in the same code? (a) KKZA (b) LLAB (c) MMBC (d) CBMM
- 30.If NEST is written as OFTU, how is DRUM written in the same code? (a) ESVN (b) NVSE (c) CQTL (d) FTWO
- 31.If SHIP is written as PIHS, how is LAMP written in the same code? (a) PMAL (b) OLZK (c) MBNQ (d) QNBM
- 32.If MOON is written as NOOM, how is FROG written in the same code? (a) GSPH (b) HPSG (c) FNQE (d) GORF
- 33.If KITE is written as DSHJ, how is NEST written in the same code? (a) UTFO (b) MDRS (c) TSEN (d) SRDM
- 34.If LION is written as NOIL, how is BOOK written in the same code? (a) CPPL (b) JNNA (c) KOOB (d) LPPC
- 35.If DOG is written as GOD, how is MOON written in the same code? (a) OPPN (b) NPPO (c) NOOM (d) MNNL
- 36.If FISH is written as GRHE, how is COLD written in the same code? (a) BNKC (b) DLOC (c) CKNB (d) EMPD
- 37.If TOYS is written as TZPU, how is NEST written in the same code? (a) UTFO (b) TSEN (c) OFTU (d) SRDM
- 38.If FROG is written as HTQI, how is SUN written in the same code? (a) UWP (b) QSL (c) VXQ (d) TVO
- 39.If FISH is written as URHS, how is RAIN written in the same code? (a) HYQL (b) IZRM (c) SBJO (d) JASN
- 40.If LAMP is written as MBNQ, how is TOYS written in the same code? (a) SNXR (b) TZPU (c) VQAU (d) UPZT
Answer key
- XZPV
- LLEB
- CMZG
- AYIC
- YVOO
- GORF
- MVHG
- TLOW
- ETIK
- DRMW
- HSRK
- TAOB
- TCVU
- WLT
- DNIW
- CPPL
- SYOT
- MURD
- IURJ
- MJPO
- NLLM
- RTM
- ZMMI
- JKHL
- IQF
- DLOC
- NROP
- JROG
- MMBC
- ESVN
- PMAL
- GORF
- SRDM
- KOOB
- NOOM
- CKNB
- UTFO
- UWP
- IZRM
- UPZT
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