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 SBUT, how is CAKE written in the same code? (a) DJZB (b) DBLF (c) FLBD (d) EKAC
- 2.If MILK is written as KGJI, how is CAT written in the same code? (a) ZXQ (b) AYR (c) ECV (d) BZS
- 3.If MILK is written as NROP, how is SHIP written in the same code? (a) TIJQ (b) HSRK (c) GRQJ (d) ITSL
- 4.If RAIN is written as PYGL, how is PEN written in the same code? (a) NCL (b) MBK (c) RGP (d) ODM
- 5.If MILK is written as KLIM, how is BOOK written in the same code? (a) JNNA (b) KOOB (c) LPPC (d) CPPL
- 6.If SUN is written as HFM, how is JUMP written in the same code? (a) KVNQ (b) PEMJ (c) QFNK (d) RGOL
- 7.If TREE is written as DDQS, how is JUMP written in the same code? (a) PMUJ (b) QNVK (c) ITLO (d) OLTI
- 8.If WIND is written as DRMW, how is BELL written in the same code? (a) XUNN (b) CFMM (c) ZWPP (d) YVOO
- 9.If STAR is written as TCVU, how is PEN written in the same code? (a) RGP (b) LCN (c) PGR (d) NEP
- 10.If MILK is written as NROP, how is NEST written in the same code? (a) LUGF (b) MVHG (c) NWIH (d) OFTU
- 11.If COLD is written as FNQE, how is KITE written in the same code? (a) ETIK (b) MKVG (c) CRGI (d) GVKM
- 12.If CAKE is written as FLBD, how is WIND written in the same code? (a) DNIW (b) EOJX (c) XJOE (d) CMHV
- 13.If LION is written as OPJM, how is DRUM written in the same code? (a) LTQC (b) MURD (c) NVSE (d) ESVN
- 14.If MILK is written as NROP, how is FROG written in the same code? (a) UILT (b) THKS (c) GSPH (d) VJMU
- 15.If MOON is written as NLLM, how is DRUM written in the same code? (a) ESVN (b) WIFN (c) VHEM (d) XJGO
- 16.If BELL is written as DGNN, how is MILK written in the same code? (a) PLON (b) NJML (c) KGJI (d) OKNM
- 17.If TREE is written as RPCC, how is HAND written in the same code? (a) JCPF (b) GZMC (c) EXKA (d) FYLB
- 18.If MOON is written as PRRQ, how is NEST written in the same code? (a) PGUV (b) QHVW (c) RIWX (d) KBPQ
- 19.If BELL is written as ZCJJ, how is RAIN written in the same code? (a) QZHM (b) OXFK (c) PYGL (d) TCKP
- 20.If CAKE is written as ECMG, how is RAIN written in the same code? (a) PYGL (b) SBJO (c) UDLQ (d) TCKP
- 21.If KITE is written as GVKM, how is LAMP written in the same code? (a) NCOR (b) ROCN (c) NKYJ (d) PMAL
- 22.If LAMP is written as PMAL, how is WIND written in the same code? (a) EOJX (b) XJOE (c) DNIW (d) CMHV
- 23.If FISH is written as ITJG, how is BOOK written in the same code? (a) JNNA (b) LPPC (c) CPPL (d) KOOB
- 24.If LAMP is written as PMAL, how is TREE written in the same code? (a) USFF (b) EERT (c) DDQS (d) FFSU
- 25.If BOAT is written as YLZG, how is DRUM written in the same code? (a) XJGO (b) VHEM (c) WIFN (d) ESVN
- 26.If MILK is written as PLON, how is RAIN written in the same code? (a) UDLQ (b) TCKP (c) VEMR (d) OXFK
- 27.If BOOK is written as YLLP, how is HAND written in the same code? (a) IBOE (b) TANX (c) SZMW (d) RYLV
- 28.If PEN is written as QFO, how is DOG written in the same code? (a) FQI (b) CNF (c) HPE (d) EPH
- 29.If MILK is written as OKNM, how is STAR written in the same code? (a) QRYP (b) UVCT (c) VWDU (d) TUBS
- 30.If TREE is written as WUHH, how is TOYS written in the same code? (a) QLVP (b) XSCW (c) WRBV (d) VQAU
- 31.If NEST is written as TSEN, how is FROG written in the same code? (a) HPSG (b) GSPH (c) FNQE (d) GORF
- 32.If BOOK is written as JNNA, how is RAIN written in the same code? (a) QZHM (b) MHZQ (c) NIAR (d) OJBS
- 33.If CAT is written as ECV, how is DESK written in the same code? (a) EFTL (b) FGUM (c) BCQI (d) GHVN
- 34.If SUN is written as NUS, how is CAKE written in the same code? (a) DJZB (b) DBLF (c) EKAC (d) FLBD
- 35.If DRUM is written as FTWO, how is JUMP written in the same code? (a) KVNQ (b) LWOR (c) MXPS (d) HSKN
- 36.If LAMP is written as OZNK, how is DOG written in the same code? (a) WLT (b) XMU (c) VKS (d) EPH
- 37.If CAKE is written as DJZB, how is BALL written in the same code? (a) MMBC (b) KKZA (c) AZKK (d) LLAB
- 38.If TOYS is written as UAQV, how is BOAT written in the same code? (a) RYMZ (b) DQCV (c) TAOB (d) VCQD
- 39.If NEST is written as TSEN, how is FISH written in the same code? (a) GRHE (b) GJTI (c) HSIF (d) ITJG
- 40.If GOLD is written as TLOW, how is BALL written in the same code? (a) XYNN (b) CBMM (c) ZAPP (d) YZOO
Answer key
- FLBD
- AYR
- HSRK
- NCL
- KOOB
- QFNK
- OLTI
- YVOO
- PGR
- MVHG
- GVKM
- EOJX
- NVSE
- UILT
- WIFN
- OKNM
- FYLB
- QHVW
- PYGL
- TCKP
- ROCN
- DNIW
- LPPC
- EERT
- WIFN
- UDLQ
- SZMW
- EPH
- UVCT
- WRBV
- GORF
- MHZQ
- FGUM
- EKAC
- LWOR
- WLT
- KKZA
- VCQD
- HSIF
- YZOO
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