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 SUN is written as NUS, how is LION written in the same code? (a) NOIL (b) OPJM (c) MJPO (d) MNHK
- 2.If PEN is written as QFO, how is JUMP written in the same code? (a) ITLO (b) KVNQ (c) LWOR (d) QNVK
- 3.If LAMP is written as NCOR, how is BOAT written in the same code? (a) DQCV (b) ERDW (c) ZMYR (d) CPBU
- 4.If JUMP is written as ITLO, how is STAR written in the same code? (a) RSZQ (b) QRYP (c) STAR (d) TUBS
- 5.If PEN is written as KVM, how is BALL written in the same code? (a) XYNN (b) ZAPP (c) CBMM (d) YZOO
- 6.If CAT is written as XZG, how is KITE written in the same code? (a) OQFU (b) PRGV (c) QSHW (d) LJUF
- 7.If CAT is written as XZG, how is GOLD written in the same code? (a) HPME (b) UMPX (c) SKNV (d) TLOW
- 8.If MILK is written as KGJI, how is TREE written in the same code? (a) VTGG (b) QOBB (c) RPCC (d) SQDD
- 9.If SHIP is written as OHGR, how is GOLD written in the same code? (a) EMPH (b) FNKC (c) CKNF (d) DLOG
- 10.If DOG is written as WLT, how is CAKE written in the same code? (a) DBLF (b) WYOU (c) XZPV (d) YAQW
- 11.If WIND is written as DNIW, how is LAMP written in the same code? (a) OLZK (b) QNBM (c) PMAL (d) MBNQ
- 12.If PEN is written as NEP, how is BELL written in the same code? (a) KKDA (b) LLEB (c) CFMM (d) MMFC
- 13.If NEST is written as OFTU, how is RAIN written in the same code? (a) SBJO (b) QZHM (c) TCKP (d) OJBS
- 14.If LAMP is written as NCOR, how is MOON written in the same code? (a) PRRQ (b) KMML (c) OQQP (d) NPPO
- 15.If GOLD is written as IQNF, how is NEST written in the same code? (a) OFTU (b) QHVW (c) LCQR (d) PGUV
- 16.If JUMP is written as QFNK, how is LAMP written in the same code? (a) MBNQ (b) PAOL (c) NYMJ (d) OZNK
- 17.If TREE is written as EERT, how is LAMP written in the same code? (a) MBNQ (b) OLZK (c) PMAL (d) QNBM
- 18.If PARK is written as NYPI, how is WIND written in the same code? (a) UGLB (b) VHMC (c) TFKA (d) YKPF
- 19.If BELL is written as MMFC, how is KITE written in the same code? (a) LJUF (b) ETIK (c) DSHJ (d) FUJL
- 20.If DOG is written as GOD, how is LION written in the same code? (a) OPJM (b) NOIL (c) MNHK (d) MJPO
- 21.If BELL is written as YVOO, how is SHIP written in the same code? (a) GRQJ (b) HSRK (c) TIJQ (d) ITSL
- 22.If LION is written as MNHK, how is KITE written in the same code? (a) FUJL (b) JHSD (c) ETIK (d) DSHJ
- 23.If DRUM is written as WIFN, how is WIND written in the same code? (a) ESNX (b) CQLV (c) XJOE (d) DRMW
- 24.If CAKE is written as EKAC, how is BALL written in the same code? (a) LLAB (b) MMBC (c) KKZA (d) CBMM
- 25.If PARK is written as KZIP, how is PEN written in the same code? (a) QFO (b) KVM (c) LWN (d) JUL
- 26.If JUMP is written as QNVK, how is DOG written in the same code? (a) HPE (b) EPH (c) FNC (d) GOD
- 27.If JUMP is written as QFNK, how is HAND written in the same code? (a) TANX (b) SZMW (c) RYLV (d) IBOE
- 28.If TREE is written as GIVV, how is FISH written in the same code? (a) URHS (b) VSIT (c) GJTI (d) TQGR
- 29.If CAKE is written as AYIC, how is TOYS written in the same code? (a) RMWQ (b) SNXR (c) VQAU (d) QLVP
- 30.If GOLD is written as JROG, how is BALL written in the same code? (a) DCNN (b) EDOO (c) FEPP (d) YXII
- 31.If FROG is written as FNQE, how is SUN written in the same code? (a) MTR (b) NUS (c) RTM (d) OVT
- 32.If JUMP is written as PMUJ, how is WIND written in the same code? (a) DNIW (b) CMHV (c) XJOE (d) EOJX
- 33.If FROG is written as DPME, how is BELL written in the same code? (a) YBII (b) ZCJJ (c) DGNN (d) ADKK
- 34.If JUMP is written as OLTI, how is TREE written in the same code? (a) FFSU (b) DDQS (c) SQDD (d) EERT
- 35.If PARK is written as KRAP, how is CAKE written in the same code? (a) DBLF (b) DJZB (c) EKAC (d) FLBD
- 36.If RAIN is written as NIAR, how is FROG written in the same code? (a) HPSG (b) GSPH (c) GORF (d) FNQE
- 37.If SHIP is written as PIHS, how is TREE written in the same code? (a) DDQS (b) EERT (c) USFF (d) FFSU
- 38.If RAIN is written as PYGL, how is STAR written in the same code? (a) PQXO (b) RSZQ (c) QRYP (d) UVCT
- 39.If MOON is written as PRRQ, how is HAND written in the same code? (a) EXKA (b) LERH (c) JCPF (d) KDQG
- 40.If BOAT is written as VCQD, how is KITE written in the same code? (a) ETIK (b) MKVG (c) GVKM (d) CRGI
Answer key
- NOIL
- KVNQ
- DQCV
- RSZQ
- YZOO
- PRGV
- TLOW
- RPCC
- CKNF
- XZPV
- PMAL
- LLEB
- SBJO
- OQQP
- PGUV
- OZNK
- PMAL
- UGLB
- FUJL
- NOIL
- HSRK
- DSHJ
- DRMW
- LLAB
- KVM
- HPE
- SZMW
- URHS
- RMWQ
- EDOO
- MTR
- DNIW
- ZCJJ
- DDQS
- EKAC
- GORF
- EERT
- QRYP
- KDQG
- GVKM
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