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 LAMP is written as NCOR, how is SHIP written in the same code? (a) TIJQ (b) QFGN (c) UJKR (d) VKLS
- 2.If TREE is written as EERT, how is KITE written in the same code? (a) DSHJ (b) LJUF (c) FUJL (d) ETIK
- 3.If KITE is written as FUJL, how is PARK written in the same code? (a) LSBQ (b) KRAP (c) JQZO (d) QBSL
- 4.If KITE is written as ETIK, how is DOG written in the same code? (a) HPE (b) FNC (c) EPH (d) GOD
- 5.If LAMP is written as ROCN, how is KITE written in the same code? (a) ETIK (b) GVKM (c) MKVG (d) CRGI
- 6.If KITE is written as ETIK, how is TOYS written in the same code? (a) RXNS (b) UPZT (c) SYOT (d) TZPU
- 7.If HAND is written as DNAH, how is BOOK written in the same code? (a) CPPL (b) KOOB (c) LPPC (d) JNNA
- 8.If TOYS is written as GLBH, how is FROG written in the same code? (a) THKS (b) GSPH (c) UILT (d) VJMU
- 9.If FISH is written as HSIF, how is LION written in the same code? (a) MJPO (b) OPJM (c) NOIL (d) MNHK
- 10.If FROG is written as GSPH, how is CAT written in the same code? (a) BZS (b) ECV (c) UBD (d) DBU
- 11.If LAMP is written as ODPS, how is PEN written in the same code? (a) TIR (b) SHQ (c) MBK (d) RGP
- 12.If TOYS is written as GLBH, how is TREE written in the same code? (a) FHUU (b) GIVV (c) USFF (d) HJWW
- 13.If CAT is written as XZG, how is SHIP written in the same code? (a) HSRK (b) TIJQ (c) ITSL (d) GRQJ
- 14.If MOON is written as NOOM, how is JUMP written in the same code? (a) PMUJ (b) OLTI (c) QNVK (d) KVNQ
- 15.If PEN is written as NCL, how is KITE written in the same code? (a) MKVG (b) IGRC (c) HFQB (d) JHSD
- 16.If COLD is written as XLOW, how is KITE written in the same code? (a) PRGV (b) QSHW (c) OQFU (d) LJUF
- 17.If DOG is written as HPE, how is RAIN written in the same code? (a) MHZQ (b) OJBS (c) NIAR (d) SBJO
- 18.If CAKE is written as FDNH, how is PARK written in the same code? (a) MXOH (b) TEVO (c) SDUN (d) RCTM
- 19.If SHIP is written as UJKR, how is GOLD written in the same code? (a) JROG (b) HPME (c) IQNF (d) EMJB
- 20.If MILK is written as NROP, how is NEST written in the same code? (a) OFTU (b) NWIH (c) LUGF (d) MVHG
- 21.If HAND is written as DNAH, how is RAIN written in the same code? (a) SBJO (b) OJBS (c) MHZQ (d) NIAR
- 22.If HAND is written as SZMW, how is WIND written in the same code? (a) CQLV (b) XJOE (c) ESNX (d) DRMW
- 23.If STAR is written as TCVU, how is COLD written in the same code? (a) EQNF (b) FNQE (c) BJMA (d) DLOC
- 24.If WIND is written as EOJX, how is NEST written in the same code? (a) UTFO (b) TSEN (c) SRDM (d) OFTU
- 25.If CAT is written as VCE, how is KITE written in the same code? (a) CRGI (b) GVKM (c) MKVG (d) ETIK
- 26.If SUN is written as OVT, how is PARK written in the same code? (a) LSBQ (b) KRAP (c) QBSL (d) JQZO
- 27.If MOON is written as MNNL, how is BELL written in the same code? (a) LLEB (b) ADKK (c) KKDA (d) MMFC
- 28.If CAKE is written as DBLF, how is STAR written in the same code? (a) UVCT (b) RSZQ (c) TUBS (d) SBUT
- 29.If PEN is written as KVM, how is WIND written in the same code? (a) XJOE (b) CQLV (c) ESNX (d) DRMW
- 30.If DRUM is written as GUXP, how is BALL written in the same code? (a) DCNN (b) YXII (c) EDOO (d) FEPP
- 31.If LAMP is written as OZNK, how is MOON written in the same code? (a) OMMN (b) MKKL (c) NPPO (d) NLLM
- 32.If CAKE is written as EKAC, how is RAIN written in the same code? (a) OJBS (b) SBJO (c) MHZQ (d) NIAR
- 33.If GOLD is written as CKNF, how is DOG written in the same code? (a) HPE (b) CNF (c) FNC (d) GOD
- 34.If GOLD is written as FNQI, how is LAMP written in the same code? (a) NCOR (b) NKYJ (c) ROCN (d) PMAL
- 35.If FISH is written as ILVK, how is BOOK written in the same code? (a) FSSO (b) YLLH (c) ERRN (d) DQQM
- 36.If STAR is written as RSZQ, how is PARK written in the same code? (a) NYPI (b) PARK (c) QBSL (d) OZQJ
- 37.If NEST is written as MVHG, how is DRUM written in the same code? (a) ESVN (b) VHEM (c) WIFN (d) XJGO
- 38.If DESK is written as WVHP, how is MILK written in the same code? (a) MQNO (b) NROP (c) OSPQ (d) NJML
- 39.If DRUM is written as GUXP, how is FROG written in the same code? (a) HTQI (b) COLD (c) IURJ (d) JVSK
- 40.If BOOK is written as YLLP, how is BELL written in the same code? (a) CFMM (b) ZWPP (c) XUNN (d) YVOO
Answer key
- UJKR
- ETIK
- LSBQ
- GOD
- GVKM
- SYOT
- KOOB
- UILT
- NOIL
- DBU
- SHQ
- GIVV
- HSRK
- PMUJ
- IGRC
- PRGV
- OJBS
- SDUN
- IQNF
- MVHG
- NIAR
- DRMW
- FNQE
- UTFO
- GVKM
- LSBQ
- KKDA
- TUBS
- DRMW
- EDOO
- NLLM
- NIAR
- FNC
- ROCN
- ERRN
- OZQJ
- WIFN
- NROP
- IURJ
- YVOO
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