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 RAIN is written as NIAR, how is JUMP written in the same code? (a) PMUJ (b) OLTI (c) KVNQ (d) QNVK
- 2.If DOG is written as WLT, how is LION written in the same code? (a) ORLM (b) PSMN (c) NQKL (d) MJPO
- 3.If TOYS is written as TZPU, how is HAND written in the same code? (a) CMZG (b) IBOE (c) EOBI (d) DNAH
- 4.If MILK is written as NROP, how is BOOK written in the same code? (a) XKKO (b) YLLP (c) ZMMQ (d) CPPL
- 5.If SUN is written as VXQ, how is JUMP written in the same code? (a) GRJM (b) LWOR (c) MXPS (d) NYQT
- 6.If BELL is written as KKDA, how is MOON written in the same code? (a) LNNM (b) OPPN (c) NOOM (d) MNNL
- 7.If FISH is written as HSIF, how is PARK written in the same code? (a) LSBQ (b) KRAP (c) JQZO (d) QBSL
- 8.If PARK is written as JQZO, how is SUN written in the same code? (a) RTM (b) OVT (c) MTR (d) NUS
- 9.If SUN is written as QSL, how is BOAT written in the same code? (a) ZMYR (b) YLXQ (c) DQCV (d) ANZS
- 10.If TOYS is written as GLBH, how is FROG written in the same code? (a) THKS (b) VJMU (c) GSPH (d) UILT
- 11.If KITE is written as PRGV, how is LION written in the same code? (a) PSMN (b) MJPO (c) ORLM (d) NQKL
- 12.If HAND is written as SZMW, how is PEN written in the same code? (a) LWN (b) KVM (c) QFO (d) JUL
- 13.If STAR is written as UVCT, how is RAIN written in the same code? (a) PYGL (b) SBJO (c) UDLQ (d) TCKP
- 14.If FISH is written as HSIF, how is BELL written in the same code? (a) LLEB (b) MMFC (c) KKDA (d) CFMM
- 15.If LION is written as NOIL, how is DRUM written in the same code? (a) NVSE (b) LTQC (c) MURD (d) ESVN
- 16.If BALL is written as KKZA, how is JUMP written in the same code? (a) OLTI (b) QNVK (c) PMUJ (d) ITLO
- 17.If MOON is written as NLLM, how is CAT written in the same code? (a) XZG (b) DBU (c) YAH (d) WYF
- 18.If DOG is written as FNC, how is HAND written in the same code? (a) CMZG (b) DNAH (c) EOBI (d) GZMC
- 19.If BOOK is written as KOOB, how is FROG written in the same code? (a) GSPH (b) GORF (c) FNQE (d) HPSG
- 20.If FISH is written as HSIF, how is LAMP written in the same code? (a) PMAL (b) OLZK (c) QNBM (d) MBNQ
- 21.If HAND is written as CMZG, how is FISH written in the same code? (a) ITJG (b) HSIF (c) EHRG (d) GRHE
- 22.If KITE is written as LJUF, how is SUN written in the same code? (a) TVO (b) OVT (c) UWP (d) RTM
- 23.If FISH is written as HKUJ, how is STAR written in the same code? (a) VWDU (b) TUBS (c) UVCT (d) QRYP
- 24.If BELL is written as ADKK, how is DOG written in the same code? (a) EPH (b) BME (c) DOG (d) CNF
- 25.If CAT is written as XZG, how is DRUM written in the same code? (a) XJGO (b) WIFN (c) ESVN (d) VHEM
- 26.If STAR is written as QRYP, how is SHIP written in the same code? (a) QFGN (b) UJKR (c) PEFM (d) RGHO
- 27.If PEN is written as PGR, how is MOON written in the same code? (a) PQQO (b) NOOM (c) OQQP (d) LMMK
- 28.If COLD is written as BNKC, how is RAIN written in the same code? (a) QZHM (b) PYGL (c) RAIN (d) SBJO
- 29.If LAMP is written as OZNK, how is BALL written in the same code? (a) XYNN (b) CBMM (c) ZAPP (d) YZOO
- 30.If SUN is written as HFM, how is SHIP written in the same code? (a) HSRK (b) ITSL (c) TIJQ (d) GRQJ
- 31.If SUN is written as UWP, how is TREE written in the same code? (a) VTGG (b) USFF (c) RPCC (d) WUHH
- 32.If GOLD is written as TLOW, how is BOOK written in the same code? (a) CPPL (b) XKKO (c) ZMMQ (d) YLLP
- 33.If GOLD is written as EMPH, how is JUMP written in the same code? (a) OLTI (b) PMUJ (c) KVNQ (d) QNVK
- 34.If TOYS is written as TZPU, how is COLD written in the same code? (a) EMPD (b) CKNB (c) DPME (d) DLOC
- 35.If PEN is written as NCL, how is LAMP written in the same code? (a) KZLO (b) NCOR (c) IXJM (d) JYKN
- 36.If FISH is written as ITJG, how is CAT written in the same code? (a) UBD (b) DBU (c) TAC (d) SZB
- 37.If BOOK is written as CPPL, how is HAND written in the same code? (a) JCPF (b) GZMC (c) IBOE (d) EOBI
- 38.If DRUM is written as ESVN, how is PARK written in the same code? (a) OZQJ (b) RCTM (c) LSBQ (d) QBSL
- 39.If FISH is written as HKUJ, how is WIND written in the same code? (a) YKPF (b) XJOE (c) UGLB (d) ZLQG
- 40.If DRUM is written as MURD, how is HAND written in the same code? (a) IBOE (b) EOBI (c) CMZG (d) DNAH
Answer key
- PMUJ
- ORLM
- EOBI
- YLLP
- MXPS
- MNNL
- KRAP
- MTR
- ZMYR
- UILT
- ORLM
- KVM
- TCKP
- LLEB
- MURD
- OLTI
- XZG
- CMZG
- GORF
- PMAL
- GRHE
- TVO
- UVCT
- CNF
- WIFN
- QFGN
- PQQO
- QZHM
- YZOO
- HSRK
- VTGG
- YLLP
- QNVK
- EMPD
- JYKN
- UBD
- IBOE
- QBSL
- YKPF
- DNAH
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