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 GOLD is written as TLOW, how is PARK written in the same code? (a) LAJQ (b) QBSL (c) KZIP (d) JYHO
- 2.If CAT is written as VCE, how is LAMP written in the same code? (a) NKYJ (b) PMAL (c) NCOR (d) ROCN
- 3.If CAT is written as ECV, how is SUN written in the same code? (a) UWP (b) TVO (c) VXQ (d) QSL
- 4.If WIND is written as VHMC, how is HAND written in the same code? (a) FYLB (b) IBOE (c) GZMC (d) HAND
- 5.If BELL is written as MMFC, how is DOG written in the same code? (a) GOD (b) FNC (c) HPE (d) EPH
- 6.If FROG is written as HPSG, how is JUMP written in the same code? (a) PMUJ (b) OLTI (c) QNVK (d) KVNQ
- 7.If PEN is written as PGR, how is KITE written in the same code? (a) MKVG (b) ETIK (c) CRGI (d) GVKM
- 8.If GOLD is written as TLOW, how is STAR written in the same code? (a) HGZI (b) IHAJ (c) GFYH (d) TUBS
- 9.If SUN is written as HFM, how is BOAT written in the same code? (a) YLZG (b) ZMAH (c) XKYF (d) CPBU
- 10.If PEN is written as RGP, how is COLD written in the same code? (a) AMJB (b) EQNF (c) DPME (d) FROG
- 11.If BELL is written as YVOO, how is PEN written in the same code? (a) QFO (b) KVM (c) LWN (d) JUL
- 12.If STAR is written as TCVU, how is BOAT written in the same code? (a) DQCV (b) RYMZ (c) TAOB (d) VCQD
- 13.If TOYS is written as SYOT, how is DOG written in the same code? (a) GOD (b) FNC (c) HPE (d) EPH
- 14.If PARK is written as KZIP, how is TREE written in the same code? (a) HJWW (b) FHUU (c) GIVV (d) USFF
- 15.If PEN is written as ODM, how is PARK written in the same code? (a) OZQJ (b) NYPI (c) QBSL (d) PARK
- 16.If GOLD is written as JROG, how is TREE written in the same code? (a) VTGG (b) WUHH (c) XVII (d) QOBB
- 17.If BOOK is written as ZMMI, how is RAIN written in the same code? (a) OXFK (b) QZHM (c) TCKP (d) PYGL
- 18.If CAT is written as VCE, how is PARK written in the same code? (a) IPYN (b) MTCR (c) KRAP (d) RCTM
- 19.If STAR is written as HGZI, how is MILK written in the same code? (a) NJML (b) MQNO (c) NROP (d) OSPQ
- 20.If DOG is written as GOD, how is SHIP written in the same code? (a) QJIT (b) OHGR (c) PIHS (d) TIJQ
- 21.If GOLD is written as CKNF, how is PEN written in the same code? (a) MDO (b) ODM (c) NEP (d) OFQ
- 22.If FISH is written as URHS, how is TOYS written in the same code? (a) GLBH (b) HMCI (c) UPZT (d) FKAG
- 23.If SUN is written as NUS, how is JUMP written in the same code? (a) KVNQ (b) PMUJ (c) QNVK (d) OLTI
- 24.If DOG is written as GOD, how is GOLD written in the same code? (a) CKNF (b) EMPH (c) DLOG (d) HPME
- 25.If PEN is written as MDO, how is SHIP written in the same code? (a) RGHO (b) OHGR (c) PIHS (d) QJIT
- 26.If MILK is written as NROP, how is BALL written in the same code? (a) YZOO (b) ZAPP (c) XYNN (d) CBMM
- 27.If WIND is written as DNIW, how is FISH written in the same code? (a) HSIF (b) ITJG (c) GJTI (d) GRHE
- 28.If DESK is written as KSED, how is TREE written in the same code? (a) FFSU (b) EERT (c) DDQS (d) USFF
- 29.If BELL is written as YVOO, how is COLD written in the same code? (a) YMPX (b) DPME (c) XLOW (d) WKNV
- 30.If BOOK is written as KOOB, how is KITE written in the same code? (a) LJUF (b) ETIK (c) DSHJ (d) FUJL
- 31.If DOG is written as WLT, how is DRUM written in the same code? (a) WIFN (b) XJGO (c) ESVN (d) VHEM
- 32.If DRUM is written as NVSE, how is BOOK written in the same code? (a) CPPL (b) KOOB (c) LPPC (d) JNNA
- 33.If BOOK is written as KOOB, how is PARK written in the same code? (a) LSBQ (b) JQZO (c) KRAP (d) QBSL
- 34.If STAR is written as HGZI, how is SUN written in the same code? (a) GEL (b) HFM (c) TVO (d) IGN
- 35.If CAT is written as AYR, how is MOON written in the same code? (a) LNNM (b) JLLK (c) KMML (d) OQQP
- 36.If CAKE is written as XZPV, how is MOON written in the same code? (a) MKKL (b) NPPO (c) OMMN (d) NLLM
- 37.If MOON is written as NPPO, how is RAIN written in the same code? (a) OJBS (b) SBJO (c) TCKP (d) QZHM
- 38.If DOG is written as CNF, how is GOLD written in the same code? (a) FNKC (b) HPME (c) GOLD (d) EMJB
- 39.If RAIN is written as OJBS, how is TOYS written in the same code? (a) TZPU (b) UPZT (c) SYOT (d) RXNS
- 40.If DESK is written as KSED, how is SHIP written in the same code? (a) TIJQ (b) QJIT (c) OHGR (d) PIHS
Answer key
- KZIP
- ROCN
- UWP
- GZMC
- HPE
- QNVK
- GVKM
- HGZI
- YLZG
- EQNF
- KVM
- VCQD
- GOD
- GIVV
- OZQJ
- WUHH
- PYGL
- MTCR
- NROP
- PIHS
- MDO
- GLBH
- PMUJ
- DLOG
- OHGR
- YZOO
- HSIF
- EERT
- XLOW
- ETIK
- WIFN
- LPPC
- KRAP
- HFM
- KMML
- NLLM
- SBJO
- FNKC
- TZPU
- PIHS
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