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 LJUF, how is COLD written in the same code? (a) DPME (b) BNKC (c) EQNF (d) EMPD
- 2.If DOG is written as FNC, how is BALL written in the same code? (a) KKZA (b) LLAB (c) MMBC (d) AZKK
- 3.If RAIN is written as IZRM, how is HAND written in the same code? (a) TANX (b) RYLV (c) SZMW (d) IBOE
- 4.If SHIP is written as HSRK, how is PEN written in the same code? (a) LWN (b) QFO (c) KVM (d) JUL
- 5.If COLD is written as XLOW, how is CAT written in the same code? (a) YAH (b) XZG (c) DBU (d) WYF
- 6.If CAT is written as SZB, how is TREE written in the same code? (a) FFSU (b) EERT (c) DDQS (d) SQDD
- 7.If WIND is written as DRMW, how is CAT written in the same code? (a) XZG (b) DBU (c) YAH (d) WYF
- 8.If TREE is written as GIVV, how is DOG written in the same code? (a) VKS (b) XMU (c) EPH (d) WLT
- 9.If PARK is written as KRAP, how is DRUM written in the same code? (a) LTQC (b) MURD (c) ESVN (d) NVSE
- 10.If KITE is written as ETIK, how is MILK written in the same code? (a) KLIM (b) JKHL (c) LMJN (d) NJML
- 11.If BOAT is written as CPBU, how is WIND written in the same code? (a) VHMC (b) YKPF (c) EOJX (d) XJOE
- 12.If PEN is written as KVM, how is MOON written in the same code? (a) OMMN (b) NPPO (c) NLLM (d) MKKL
- 13.If RAIN is written as NIAR, how is GOLD written in the same code? (a) CKNF (b) EMPH (c) DLOG (d) HPME
- 14.If RAIN is written as UDLQ, how is WIND written in the same code? (a) ZLQG (b) TFKA (c) AMRH (d) YKPF
- 15.If DESK is written as WVHP, how is SHIP written in the same code? (a) GRQJ (b) ITSL (c) HSRK (d) TIJQ
- 16.If RAIN is written as NIAR, how is HAND written in the same code? (a) DNAH (b) IBOE (c) CMZG (d) EOBI
- 17.If SUN is written as VXQ, how is COLD written in the same code? (a) ZLIA (b) EQNF (c) FROG (d) GSPH
- 18.If BOOK is written as ZMMI, how is PEN written in the same code? (a) ODM (b) NCL (c) MBK (d) RGP
- 19.If MILK is written as JKHL, how is PARK written in the same code? (a) OZQJ (b) JQZO (c) KRAP (d) LSBQ
- 20.If BOOK is written as YLLP, how is RAIN written in the same code? (a) SBJO (b) HYQL (c) IZRM (d) JASN
- 21.If HAND is written as FYLB, how is BOOK written in the same code? (a) DQQM (b) ANNJ (c) YLLH (d) ZMMI
- 22.If TREE is written as GGTV, how is CAKE written in the same code? (a) CIYA (b) EKAC (c) ECMG (d) GMCE
- 23.If CAT is written as TAC, how is WIND written in the same code? (a) DNIW (b) EOJX (c) XJOE (d) CMHV
- 24.If FISH is written as HKUJ, how is COLD written in the same code? (a) FROG (b) DPME (c) AMJB (d) EQNF
- 25.If BOOK is written as LPPC, how is DESK written in the same code? (a) JRDC (b) LTFE (c) EFTL (d) KSED
- 26.If FROG is written as UILT, how is STAR written in the same code? (a) GFYH (b) IHAJ (c) HGZI (d) TUBS
- 27.If BOAT is written as TAOB, how is SUN written in the same code? (a) TVO (b) NUS (c) OVT (d) MTR
- 28.If BOAT is written as ZMYR, how is BELL written in the same code? (a) ZCJJ (b) DGNN (c) ADKK (d) YBII
- 29.If CAT is written as UBD, how is TOYS written in the same code? (a) UPZT (b) RXNS (c) SYOT (d) TZPU
- 30.If BOOK is written as LPPC, how is MOON written in the same code? (a) NPPO (b) OPPN (c) MNNL (d) NOOM
- 31.If CAKE is written as FLBD, how is SUN written in the same code? (a) TVO (b) OVT (c) MTR (d) NUS
- 32.If DOG is written as WLT, how is TOYS written in the same code? (a) FKAG (b) HMCI (c) GLBH (d) UPZT
- 33.If BOOK is written as KOOB, how is LAMP written in the same code? (a) MBNQ (b) OLZK (c) PMAL (d) QNBM
- 34.If BOOK is written as YLLP, how is BELL written in the same code? (a) YVOO (b) CFMM (c) XUNN (d) ZWPP
- 35.If COLD is written as XLOW, how is MILK written in the same code? (a) MQNO (b) OSPQ (c) NJML (d) NROP
- 36.If DRUM is written as WIFN, how is JUMP written in the same code? (a) KVNQ (b) PEMJ (c) RGOL (d) QFNK
- 37.If COLD is written as AMJB, how is TREE written in the same code? (a) VTGG (b) QOBB (c) SQDD (d) RPCC
- 38.If MILK is written as KLIM, how is MOON written in the same code? (a) OPPN (b) NPPO (c) MNNL (d) NOOM
- 39.If TOYS is written as SYOT, how is RAIN written in the same code? (a) OJBS (b) SBJO (c) NIAR (d) MHZQ
- 40.If TREE is written as EERT, how is GOLD written in the same code? (a) HPME (b) CKNF (c) EMPH (d) DLOG
Answer key
- DPME
- KKZA
- SZMW
- KVM
- XZG
- DDQS
- XZG
- WLT
- MURD
- KLIM
- XJOE
- NLLM
- DLOG
- ZLQG
- HSRK
- DNAH
- FROG
- NCL
- JQZO
- IZRM
- ZMMI
- GMCE
- DNIW
- EQNF
- LTFE
- HGZI
- NUS
- ZCJJ
- TZPU
- OPPN
- OVT
- GLBH
- PMAL
- YVOO
- NROP
- QFNK
- RPCC
- NOOM
- NIAR
- DLOG
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