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 STAR is written as HGZI, how is SHIP written in the same code? (a) ITSL (b) HSRK (c) GRQJ (d) TIJQ
- 2.If MILK is written as LHKJ, how is WIND written in the same code? (a) WIND (b) XJOE (c) VHMC (d) UGLB
- 3.If LAMP is written as PMAL, how is GOLD written in the same code? (a) CKNF (b) EMPH (c) HPME (d) DLOG
- 4.If DOG is written as WLT, how is BOOK written in the same code? (a) CPPL (b) XKKO (c) ZMMQ (d) YLLP
- 5.If PEN is written as SHQ, how is MOON written in the same code? (a) PRRQ (b) OQQP (c) JLLK (d) QSSR
- 6.If FISH is written as HSIF, how is CAT written in the same code? (a) SZB (b) UBD (c) TAC (d) DBU
- 7.If JUMP is written as ITLO, how is BOAT written in the same code? (a) BOAT (b) ANZS (c) ZMYR (d) CPBU
- 8.If TREE is written as FFSU, how is JUMP written in the same code? (a) PMUJ (b) QNVK (c) KVNQ (d) OLTI
- 9.If SHIP is written as QFGN, how is DRUM written in the same code? (a) FTWO (b) AORJ (c) CQTL (d) BPSK
- 10.If FROG is written as DPME, how is MOON written in the same code? (a) LNNM (b) JLLK (c) KMML (d) OQQP
- 11.If WIND is written as CMHV, how is BOOK written in the same code? (a) LPPC (b) KOOB (c) JNNA (d) ANNJ
- 12.If LAMP is written as OZNK, how is FISH written in the same code? (a) GJTI (b) TQGR (c) URHS (d) VSIT
- 13.If DOG is written as FNC, how is GOLD written in the same code? (a) EMPH (b) DLOG (c) FNKC (d) CKNF
- 14.If FISH is written as URHS, how is MOON written in the same code? (a) OMMN (b) NPPO (c) NLLM (d) MKKL
- 15.If BOAT is written as TAOB, how is PEN written in the same code? (a) OFQ (b) QFO (c) NEP (d) MDO
- 16.If BALL is written as KKZA, how is CAKE written in the same code? (a) DJZB (b) EKAC (c) FLBD (d) BZJD
- 17.If PEN is written as KVM, how is TREE written in the same code? (a) FHUU (b) USFF (c) HJWW (d) GIVV
- 18.If FROG is written as UILT, how is DESK written in the same code? (a) EFTL (b) WVHP (c) XWIQ (d) VUGO
- 19.If JUMP is written as PMUJ, how is DOG written in the same code? (a) EPH (b) HPE (c) FNC (d) GOD
- 20.If DOG is written as GOD, how is TREE written in the same code? (a) FFSU (b) DDQS (c) EERT (d) USFF
- 21.If SUN is written as NUS, how is WIND written in the same code? (a) DNIW (b) CMHV (c) EOJX (d) XJOE
- 22.If LION is written as JGML, how is SHIP written in the same code? (a) QFGN (b) RGHO (c) PEFM (d) UJKR
- 23.If CAT is written as BZS, how is SUN written in the same code? (a) RTM (b) SUN (c) TVO (d) QSL
- 24.If COLD is written as XLOW, how is BOOK written in the same code? (a) ZMMQ (b) XKKO (c) YLLP (d) CPPL
- 25.If KITE is written as LJUF, how is RAIN written in the same code? (a) QZHM (b) TCKP (c) OJBS (d) SBJO
- 26.If FROG is written as UILT, how is SHIP written in the same code? (a) ITSL (b) TIJQ (c) GRQJ (d) HSRK
- 27.If MILK is written as PLON, how is SUN written in the same code? (a) UWP (b) PRK (c) WYR (d) VXQ
- 28.If DOG is written as FNC, how is FISH written in the same code? (a) ITJG (b) GRHE (c) EHRG (d) HSIF
- 29.If MOON is written as NOOM, how is LION written in the same code? (a) OPJM (b) NOIL (c) MJPO (d) MNHK
- 30.If PEN is written as KVM, how is RAIN written in the same code? (a) JASN (b) HYQL (c) SBJO (d) IZRM
- 31.If MOON is written as LNNM, how is BELL written in the same code? (a) ZCJJ (b) BELL (c) CFMM (d) ADKK
- 32.If PARK is written as KRAP, how is NEST written in the same code? (a) UTFO (b) SRDM (c) OFTU (d) TSEN
- 33.If BALL is written as AZKK, how is DESK written in the same code? (a) BCQI (b) CDRJ (c) DESK (d) EFTL
- 34.If BOOK is written as YLLP, how is FROG written in the same code? (a) THKS (b) GSPH (c) UILT (d) VJMU
- 35.If DRUM is written as WIFN, how is BOOK written in the same code? (a) ZMMQ (b) XKKO (c) CPPL (d) YLLP
- 36.If SHIP is written as OHGR, how is RAIN written in the same code? (a) QZHM (b) NIAR (c) MHZQ (d) OJBS
- 37.If BOAT is written as UBPC, how is BALL written in the same code? (a) CBMM (b) MMBC (c) LLAB (d) KKZA
- 38.If TOYS is written as SYOT, how is BOAT written in the same code? (a) CPBU (b) TAOB (c) UBPC (d) SZNA
- 39.If CAT is written as FDW, how is BALL written in the same code? (a) FEPP (b) YXII (c) DCNN (d) EDOO
- 40.If FROG is written as UILT, how is PARK written in the same code? (a) QBSL (b) JYHO (c) KZIP (d) LAJQ
Answer key
- HSRK
- VHMC
- DLOG
- YLLP
- PRRQ
- TAC
- ANZS
- QNVK
- BPSK
- KMML
- JNNA
- URHS
- CKNF
- NLLM
- NEP
- DJZB
- GIVV
- WVHP
- GOD
- EERT
- DNIW
- QFGN
- RTM
- YLLP
- SBJO
- HSRK
- VXQ
- GRHE
- NOIL
- IZRM
- ADKK
- TSEN
- CDRJ
- UILT
- YLLP
- MHZQ
- MMBC
- TAOB
- EDOO
- KZIP
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