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 KITE is written as ETIK, how is FISH written in the same code? (a) GJTI (b) GRHE (c) ITJG (d) HSIF
- 2.If STAR is written as HGZI, how is COLD written in the same code? (a) DPME (b) XLOW (c) YMPX (d) WKNV
- 3.If NEST is written as TSEN, how is DOG written in the same code? (a) EPH (b) FNC (c) GOD (d) HPE
- 4.If SHIP is written as UJKR, how is FROG written in the same code? (a) DPME (b) IURJ (c) HTQI (d) GSPH
- 5.If FISH is written as ILVK, how is PEN written in the same code? (a) MBK (b) TIR (c) SHQ (d) RGP
- 6.If FISH is written as GRHE, how is BOOK written in the same code? (a) LPPC (b) JNNA (c) ANNJ (d) KOOB
- 7.If BOOK is written as YLLP, how is DESK written in the same code? (a) EFTL (b) WVHP (c) XWIQ (d) VUGO
- 8.If CAT is written as XZG, how is SUN written in the same code? (a) TVO (b) GEL (c) HFM (d) IGN
- 9.If KITE is written as PRGV, how is DRUM written in the same code? (a) XJGO (b) WIFN (c) ESVN (d) VHEM
- 10.If TREE is written as FFSU, how is SHIP written in the same code? (a) QJIT (b) TIJQ (c) PIHS (d) OHGR
- 11.If GOLD is written as TLOW, how is FROG written in the same code? (a) GSPH (b) THKS (c) VJMU (d) UILT
- 12.If MILK is written as NJML, how is HAND written in the same code? (a) JCPF (b) GZMC (c) EOBI (d) IBOE
- 13.If SHIP is written as PIHS, how is GOLD written in the same code? (a) HPME (b) EMPH (c) CKNF (d) DLOG
- 14.If NEST is written as TSEN, how is HAND written in the same code? (a) DNAH (b) CMZG (c) IBOE (d) EOBI
- 15.If BOOK is written as CPPL, how is LION written in the same code? (a) OPJM (b) MJPO (c) NKQP (d) KHNM
- 16.If FROG is written as HPSG, how is CAKE written in the same code? (a) EKAC (b) DJZB (c) FLBD (d) DBLF
- 17.If RAIN is written as SBJO, how is DRUM written in the same code? (a) NVSE (b) FTWO (c) ESVN (d) CQTL
- 18.If HAND is written as KDQG, how is LION written in the same code? (a) NKQP (b) IFLK (c) OLRQ (d) PMSR
- 19.If TREE is written as GIVV, how is DESK written in the same code? (a) XWIQ (b) VUGO (c) WVHP (d) EFTL
- 20.If DOG is written as GOD, how is PARK written in the same code? (a) KRAP (b) LSBQ (c) QBSL (d) JQZO
- 21.If RAIN is written as NIAR, how is LION written in the same code? (a) MJPO (b) OPJM (c) NOIL (d) MNHK
- 22.If TOYS is written as UPZT, how is PARK written in the same code? (a) LSBQ (b) RCTM (c) QBSL (d) OZQJ
- 23.If FROG is written as GORF, how is BALL written in the same code? (a) MMBC (b) CBMM (c) LLAB (d) KKZA
- 24.If HAND is written as FPCJ, how is LAMP written in the same code? (a) NKYJ (b) NCOR (c) PMAL (d) ROCN
- 25.If RAIN is written as IZRM, how is SHIP written in the same code? (a) GRQJ (b) ITSL (c) HSRK (d) TIJQ
- 26.If DESK is written as KSED, how is WIND written in the same code? (a) CMHV (b) DNIW (c) EOJX (d) XJOE
- 27.If KITE is written as PRGV, how is LAMP written in the same code? (a) PAOL (b) MBNQ (c) OZNK (d) NYMJ
- 28.If MOON is written as OQQP, how is BOOK written in the same code? (a) ZMMI (b) CPPL (c) DQQM (d) ERRN
- 29.If GOLD is written as DLOG, how is CAKE written in the same code? (a) FLBD (b) DJZB (c) EKAC (d) DBLF
- 30.If FISH is written as HSIF, how is WIND written in the same code? (a) EOJX (b) DNIW (c) CMHV (d) XJOE
- 31.If KITE is written as DSHJ, how is COLD written in the same code? (a) DLOC (b) CKNB (c) EMPD (d) BNKC
- 32.If BALL is written as YZOO, how is BOAT written in the same code? (a) CPBU (b) XKYF (c) ZMAH (d) YLZG
- 33.If TREE is written as GGTV, how is BELL written in the same code? (a) JJCZ (b) NNGD (c) LLEB (d) DGNN
- 34.If KITE is written as JHSD, how is NEST written in the same code? (a) NEST (b) OFTU (c) MDRS (d) LCQR
- 35.If FROG is written as FNQE, how is HAND written in the same code? (a) GZMC (b) EOBI (c) DNAH (d) CMZG
- 36.If RAIN is written as TCKP, how is PARK written in the same code? (a) RCTM (b) QBSL (c) SDUN (d) NYPI
- 37.If MILK is written as KLIM, how is DRUM written in the same code? (a) LTQC (b) ESVN (c) NVSE (d) MURD
- 38.If SUN is written as NUS, how is LION written in the same code? (a) NOIL (b) MNHK (c) MJPO (d) OPJM
- 39.If WIND is written as ZLQG, how is TREE written in the same code? (a) XVII (b) VTGG (c) QOBB (d) WUHH
- 40.If COLD is written as DLOC, how is FROG written in the same code? (a) GSPH (b) HPSG (c) FNQE (d) GORF
Answer key
- HSIF
- XLOW
- GOD
- HTQI
- SHQ
- JNNA
- WVHP
- HFM
- WIFN
- QJIT
- UILT
- IBOE
- DLOG
- DNAH
- MJPO
- FLBD
- ESVN
- OLRQ
- WVHP
- KRAP
- NOIL
- QBSL
- LLAB
- ROCN
- HSRK
- DNIW
- OZNK
- DQQM
- EKAC
- DNIW
- CKNB
- YLZG
- NNGD
- MDRS
- CMZG
- RCTM
- MURD
- NOIL
- WUHH
- GORF
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