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 BELL is written as LLEB, how is NEST written in the same code? (a) TSEN (b) OFTU (c) SRDM (d) UTFO
- 2.If HAND is written as FPCJ, how is FISH written in the same code? (a) FQGD (b) JUKH (c) HSIF (d) HKUJ
- 3.If WIND is written as DRMW, how is CAT written in the same code? (a) WYF (b) XZG (c) YAH (d) DBU
- 4.If SUN is written as HFM, how is TREE written in the same code? (a) GIVV (b) HJWW (c) USFF (d) FHUU
- 5.If RAIN is written as UDLQ, how is HAND written in the same code? (a) JCPF (b) KDQG (c) LERH (d) EXKA
- 6.If RAIN is written as IZRM, how is NEST written in the same code? (a) LUGF (b) OFTU (c) NWIH (d) MVHG
- 7.If KITE is written as MKVG, how is RAIN written in the same code? (a) SBJO (b) TCKP (c) UDLQ (d) PYGL
- 8.If FROG is written as HTQI, how is MOON written in the same code? (a) NPPO (b) OQQP (c) KMML (d) PRRQ
- 9.If MILK is written as NJML, how is FROG written in the same code? (a) HPSG (b) HTQI (c) GSPH (d) EQNF
- 10.If GOLD is written as FNQI, how is MOON written in the same code? (a) NOOM (b) OQQP (c) LMMK (d) PQQO
- 11.If PEN is written as NEP, how is MOON written in the same code? (a) NPPO (b) NOOM (c) OPPN (d) MNNL
- 12.If CAKE is written as XZPV, how is BOAT written in the same code? (a) YLZG (b) ZMAH (c) XKYF (d) CPBU
- 13.If MILK is written as JKHL, how is BOOK written in the same code? (a) LPPC (b) KOOB (c) ANNJ (d) JNNA
- 14.If CAT is written as SZB, how is MILK written in the same code? (a) LMJN (b) LHKJ (c) KLIM (d) JKHL
- 15.If PEN is written as MDO, how is TREE written in the same code? (a) FFSU (b) DDQS (c) EERT (d) SQDD
- 16.If WIND is written as EOJX, how is SHIP written in the same code? (a) TIJQ (b) PIHS (c) QJIT (d) OHGR
- 17.If KITE is written as LJUF, how is TREE written in the same code? (a) SQDD (b) VTGG (c) FFSU (d) USFF
- 18.If JUMP is written as LWOR, how is BELL written in the same code? (a) CFMM (b) ZCJJ (c) EHOO (d) DGNN
- 19.If SUN is written as NUS, how is COLD written in the same code? (a) DPME (b) DLOC (c) EMPD (d) CKNB
- 20.If WIND is written as DNIW, how is JUMP written in the same code? (a) OLTI (b) KVNQ (c) PMUJ (d) QNVK
- 21.If CAKE is written as EKAC, how is TOYS written in the same code? (a) TZPU (b) RXNS (c) SYOT (d) UPZT
- 22.If STAR is written as TCVU, how is COLD written in the same code? (a) EQNF (b) DLOC (c) BJMA (d) FNQE
- 23.If COLD is written as XLOW, how is DRUM written in the same code? (a) ESVN (b) VHEM (c) WIFN (d) XJGO
- 24.If GOLD is written as DLOG, how is CAKE written in the same code? (a) EKAC (b) DJZB (c) DBLF (d) FLBD
- 25.If SUN is written as PWU, how is DOG written in the same code? (a) GOD (b) FQI (c) EMB (d) IQF
- 26.If FISH is written as URHS, how is DOG written in the same code? (a) EPH (b) WLT (c) VKS (d) XMU
- 27.If RAIN is written as IZRM, how is GOLD written in the same code? (a) HPME (b) SKNV (c) TLOW (d) UMPX
- 28.If MILK is written as JKHL, how is TOYS written in the same code? (a) TZPU (b) SNXR (c) RXNS (d) SYOT
- 29.If BELL is written as KKDA, how is JUMP written in the same code? (a) PMUJ (b) ITLO (c) QNVK (d) OLTI
- 30.If CAKE is written as FLBD, how is DRUM written in the same code? (a) ESVN (b) NVSE (c) LTQC (d) MURD
- 31.If WIND is written as DRMW, how is HAND written in the same code? (a) TANX (b) IBOE (c) RYLV (d) SZMW
- 32.If DESK is written as KSED, how is BOOK written in the same code? (a) CPPL (b) JNNA (c) LPPC (d) KOOB
- 33.If COLD is written as DPME, how is CAT written in the same code? (a) UBD (b) BZS (c) ECV (d) DBU
- 34.If CAT is written as ECV, how is MOON written in the same code? (a) KMML (b) NPPO (c) PRRQ (d) OQQP
- 35.If BOOK is written as LPPC, how is LAMP written in the same code? (a) QNBM (b) MBNQ (c) PMAL (d) OLZK
- 36.If DRUM is written as MURD, how is MOON written in the same code? (a) NPPO (b) MNNL (c) NOOM (d) OPPN
- 37.If MILK is written as KLIM, how is FISH written in the same code? (a) ITJG (b) HSIF (c) GRHE (d) GJTI
- 38.If FISH is written as GRHE, how is GOLD written in the same code? (a) FNKC (b) EMPH (c) CKNF (d) DLOG
- 39.If TOYS is written as SYOT, how is DOG written in the same code? (a) FNC (b) EPH (c) GOD (d) HPE
- 40.If KITE is written as ETIK, how is PARK written in the same code? (a) KRAP (b) JQZO (c) QBSL (d) LSBQ
Answer key
- TSEN
- JUKH
- XZG
- GIVV
- KDQG
- MVHG
- TCKP
- OQQP
- GSPH
- PQQO
- NOOM
- YLZG
- JNNA
- JKHL
- DDQS
- QJIT
- USFF
- DGNN
- DLOC
- PMUJ
- SYOT
- FNQE
- WIFN
- EKAC
- IQF
- WLT
- TLOW
- RXNS
- OLTI
- NVSE
- SZMW
- KOOB
- DBU
- OQQP
- QNBM
- NOOM
- HSIF
- CKNF
- GOD
- KRAP
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