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 MILK is written as LHKJ, how is STAR written in the same code? (a) QRYP (b) STAR (c) TUBS (d) RSZQ
- 2.If BOAT is written as TAOB, how is DOG written in the same code? (a) FNC (b) EPH (c) GOD (d) HPE
- 3.If DOG is written as IQF, how is PARK written in the same code? (a) KRAP (b) RCTM (c) IPYN (d) MTCR
- 4.If LION is written as PQKN, how is TREE written in the same code? (a) CCPR (b) EERT (c) VTGG (d) GGTV
- 5.If BOAT is written as TAOB, how is SUN written in the same code? (a) TVO (b) MTR (c) NUS (d) OVT
- 6.If BOAT is written as TAOB, how is CAT written in the same code? (a) DBU (b) SZB (c) UBD (d) TAC
- 7.If JUMP is written as ROWL, how is SHIP written in the same code? (a) UJKR (b) NGFQ (c) PIHS (d) RKJU
- 8.If TREE is written as GIVV, how is GOLD written in the same code? (a) HPME (b) SKNV (c) UMPX (d) TLOW
- 9.If DOG is written as FNC, how is BOAT written in the same code? (a) UBPC (b) ANZS (c) SZNA (d) TAOB
- 10.If DESK is written as CDRJ, how is BALL written in the same code? (a) AZKK (b) BALL (c) CBMM (d) ZYJJ
- 11.If WIND is written as DRMW, how is RAIN written in the same code? (a) IZRM (b) JASN (c) SBJO (d) HYQL
- 12.If SUN is written as HFM, how is GOLD written in the same code? (a) UMPX (b) HPME (c) SKNV (d) TLOW
- 13.If NEST is written as MVHG, how is KITE written in the same code? (a) PRGV (b) LJUF (c) QSHW (d) OQFU
- 14.If HAND is written as FPCJ, how is BELL written in the same code? (a) NNGD (b) DGNN (c) LLEB (d) JJCZ
- 15.If TREE is written as FFSU, how is CAT written in the same code? (a) UBD (b) DBU (c) TAC (d) SZB
- 16.If BOAT is written as DQCV, how is CAT written in the same code? (a) ECV (b) AYR (c) FDW (d) DBU
- 17.If COLD is written as EQNF, how is SUN written in the same code? (a) TVO (b) QSL (c) VXQ (d) UWP
- 18.If LAMP is written as ROCN, how is NEST written in the same code? (a) RQCL (b) VUGP (c) TSEN (d) PGUV
- 19.If COLD is written as DPME, how is MOON written in the same code? (a) LNNM (b) NPPO (c) OQQP (d) OPPN
- 20.If TOYS is written as UPZT, how is TREE written in the same code? (a) VTGG (b) FFSU (c) USFF (d) SQDD
- 21.If PEN is written as PGR, how is JUMP written in the same code? (a) PMUJ (b) NKSH (c) ROWL (d) LWOR
- 22.If KITE is written as FUJL, how is LAMP written in the same code? (a) MBNQ (b) PMAL (c) QNBM (d) OLZK
- 23.If BOAT is written as TAOB, how is CAKE written in the same code? (a) FLBD (b) EKAC (c) DBLF (d) DJZB
- 24.If BALL is written as YZOO, how is WIND written in the same code? (a) XJOE (b) DRMW (c) ESNX (d) CQLV
- 25.If KITE is written as PRGV, how is NEST written in the same code? (a) OFTU (b) LUGF (c) MVHG (d) NWIH
- 26.If BOOK is written as YLLP, how is BELL written in the same code? (a) ZWPP (b) XUNN (c) YVOO (d) CFMM
- 27.If PARK is written as KZIP, how is STAR written in the same code? (a) IHAJ (b) HGZI (c) GFYH (d) TUBS
- 28.If SUN is written as HFM, how is TREE written in the same code? (a) USFF (b) HJWW (c) GIVV (d) FHUU
- 29.If HAND is written as GZMC, how is DOG written in the same code? (a) CNF (b) EPH (c) DOG (d) BME
- 30.If FISH is written as URHS, how is HAND written in the same code? (a) SZMW (b) RYLV (c) TANX (d) IBOE
- 31.If LION is written as NOIL, how is WIND written in the same code? (a) EOJX (b) DNIW (c) XJOE (d) CMHV
- 32.If FROG is written as IURJ, how is SUN written in the same code? (a) PRK (b) WYR (c) UWP (d) VXQ
- 33.If BOOK is written as KOOB, how is MILK written in the same code? (a) JKHL (b) KLIM (c) NJML (d) LMJN
- 34.If JUMP is written as MXPS, how is CAT written in the same code? (a) GEX (b) FDW (c) ECV (d) ZXQ
- 35.If BOOK is written as LPPC, how is SUN written in the same code? (a) NUS (b) OVT (c) MTR (d) TVO
- 36.If MOON is written as NLLM, how is BALL written in the same code? (a) ZAPP (b) CBMM (c) XYNN (d) YZOO
- 37.If JUMP is written as QFNK, how is STAR written in the same code? (a) TUBS (b) GFYH (c) HGZI (d) IHAJ
- 38.If TOYS is written as SYOT, how is JUMP written in the same code? (a) OLTI (b) KVNQ (c) PMUJ (d) QNVK
- 39.If STAR is written as RSZQ, how is FISH written in the same code? (a) EHRG (b) GJTI (c) FISH (d) DGQF
- 40.If PEN is written as NEP, how is FISH written in the same code? (a) HSIF (b) GJTI (c) GRHE (d) ITJG
Answer key
- RSZQ
- GOD
- MTCR
- GGTV
- NUS
- TAC
- RKJU
- TLOW
- SZNA
- AZKK
- IZRM
- TLOW
- PRGV
- NNGD
- UBD
- ECV
- UWP
- VUGP
- NPPO
- USFF
- ROWL
- QNBM
- EKAC
- DRMW
- MVHG
- YVOO
- HGZI
- GIVV
- CNF
- SZMW
- DNIW
- VXQ
- KLIM
- FDW
- OVT
- YZOO
- HGZI
- PMUJ
- EHRG
- HSIF
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