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 FROG is written as UILT, how is GOLD written in the same code? (a) UMPX (b) TLOW (c) SKNV (d) HPME
- 2.If TOYS is written as WRBV, how is HAND written in the same code? (a) KDQG (b) EXKA (c) JCPF (d) LERH
- 3.If DRUM is written as BPSK, how is BELL written in the same code? (a) ADKK (b) DGNN (c) YBII (d) ZCJJ
- 4.If JUMP is written as QFNK, how is SUN written in the same code? (a) GEL (b) IGN (c) HFM (d) TVO
- 5.If CAT is written as UBD, how is DOG written in the same code? (a) EPH (b) GOD (c) FNC (d) HPE
- 6.If CAT is written as DBU, how is CAKE written in the same code? (a) FLBD (b) DBLF (c) BZJD (d) ECMG
- 7.If TOYS is written as GLBH, how is TREE written in the same code? (a) FHUU (b) GIVV (c) HJWW (d) USFF
- 8.If RAIN is written as IZRM, how is HAND written in the same code? (a) TANX (b) RYLV (c) IBOE (d) SZMW
- 9.If PARK is written as KRAP, how is GOLD written in the same code? (a) EMPH (b) DLOG (c) CKNF (d) HPME
- 10.If FROG is written as GSPH, how is TREE written in the same code? (a) SQDD (b) VTGG (c) FFSU (d) USFF
- 11.If SHIP is written as PIHS, how is JUMP written in the same code? (a) KVNQ (b) PMUJ (c) QNVK (d) OLTI
- 12.If COLD is written as XLOW, how is HAND written in the same code? (a) RYLV (b) SZMW (c) TANX (d) IBOE
- 13.If MOON is written as NLLM, how is BALL written in the same code? (a) XYNN (b) YZOO (c) ZAPP (d) CBMM
- 14.If HAND is written as JCPF, how is STAR written in the same code? (a) QRYP (b) TUBS (c) VWDU (d) UVCT
- 15.If RAIN is written as OJBS, how is TREE written in the same code? (a) DDQS (b) FFSU (c) EERT (d) USFF
- 16.If WIND is written as YKPF, how is TOYS written in the same code? (a) UPZT (b) RMWQ (c) WRBV (d) VQAU
- 17.If HAND is written as SZMW, how is TOYS written in the same code? (a) UPZT (b) HMCI (c) GLBH (d) FKAG
- 18.If KITE is written as NLWH, how is GOLD written in the same code? (a) DLIA (b) JROG (c) IQNF (d) KSPH
- 19.If MOON is written as MNNL, how is TREE written in the same code? (a) FFSU (b) EERT (c) SQDD (d) DDQS
- 20.If MILK is written as OKNM, how is DOG written in the same code? (a) FQI (b) EPH (c) GRJ (d) BME
- 21.If CAT is written as TAC, how is STAR written in the same code? (a) QZSR (b) SBUT (c) TUBS (d) RATS
- 22.If BALL is written as ZYJJ, how is DOG written in the same code? (a) FQI (b) BME (c) ALD (d) CNF
- 23.If BELL is written as LLEB, how is DOG written in the same code? (a) EPH (b) FNC (c) GOD (d) HPE
- 24.If NEST is written as UTFO, how is PEN written in the same code? (a) NEP (b) MDO (c) OFQ (d) QFO
- 25.If WIND is written as CMHV, how is STAR written in the same code? (a) SBUT (b) RSZQ (c) QZSR (d) RATS
- 26.If BALL is written as YZOO, how is CAT written in the same code? (a) YAH (b) XZG (c) WYF (d) DBU
- 27.If CAT is written as AYR, how is FISH written in the same code? (a) CFPE (b) EHRG (c) HKUJ (d) DGQF
- 28.If FROG is written as GORF, how is LAMP written in the same code? (a) OLZK (b) QNBM (c) PMAL (d) MBNQ
- 29.If MILK is written as KLIM, how is TREE written in the same code? (a) DDQS (b) FFSU (c) USFF (d) EERT
- 30.If PEN is written as KVM, how is DOG written in the same code? (a) VKS (b) XMU (c) EPH (d) WLT
- 31.If HAND is written as EOBI, how is BOAT written in the same code? (a) CPBU (b) UBPC (c) SZNA (d) TAOB
- 32.If CAKE is written as EKAC, how is SHIP written in the same code? (a) PIHS (b) QJIT (c) OHGR (d) TIJQ
- 33.If HAND is written as DNAH, how is DESK written in the same code? (a) KSED (b) JRDC (c) EFTL (d) LTFE
- 34.If SHIP is written as RKJU, how is HAND written in the same code? (a) DNAH (b) FPCJ (c) JCPF (d) BLYF
- 35.If MILK is written as NROP, how is DESK written in the same code? (a) WVHP (b) EFTL (c) XWIQ (d) VUGO
- 36.If COLD is written as EMPD, how is BELL written in the same code? (a) CFMM (b) LLEB (c) MMFC (d) KKDA
- 37.If RAIN is written as NIAR, how is GOLD written in the same code? (a) HPME (b) DLOG (c) EMPH (d) CKNF
- 38.If RAIN is written as NIAR, how is CAT written in the same code? (a) UBD (b) TAC (c) SZB (d) DBU
- 39.If PEN is written as NEP, how is MOON written in the same code? (a) OPPN (b) MNNL (c) NOOM (d) NPPO
- 40.If FROG is written as GORF, how is DESK written in the same code? (a) JRDC (b) EFTL (c) LTFE (d) KSED
Answer key
- TLOW
- KDQG
- ZCJJ
- HFM
- HPE
- DBLF
- GIVV
- SZMW
- DLOG
- USFF
- PMUJ
- SZMW
- YZOO
- UVCT
- FFSU
- VQAU
- GLBH
- JROG
- DDQS
- FQI
- RATS
- BME
- GOD
- OFQ
- QZSR
- XZG
- DGQF
- PMAL
- EERT
- WLT
- UBPC
- PIHS
- KSED
- FPCJ
- WVHP
- MMFC
- DLOG
- TAC
- NOOM
- KSED
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