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 LION written in the same code? (a) MJPO (b) ORLM (c) NQKL (d) PSMN
- 2.If MOON is written as KMML, how is FISH written in the same code? (a) HKUJ (b) CFPE (c) EHRG (d) DGQF
- 3.If BOOK is written as KOOB, how is MOON written in the same code? (a) NPPO (b) MNNL (c) OPPN (d) NOOM
- 4.If NEST is written as MVHG, how is TREE written in the same code? (a) FHUU (b) USFF (c) GIVV (d) HJWW
- 5.If COLD is written as DPME, how is CAT written in the same code? (a) UBD (b) ECV (c) DBU (d) BZS
- 6.If DOG is written as GOD, how is DESK written in the same code? (a) LTFE (b) JRDC (c) EFTL (d) KSED
- 7.If BALL is written as YZOO, how is SUN written in the same code? (a) HFM (b) IGN (c) GEL (d) TVO
- 8.If FISH is written as HSIF, how is KITE written in the same code? (a) LJUF (b) ETIK (c) FUJL (d) DSHJ
- 9.If NEST is written as MVHG, how is DOG written in the same code? (a) XMU (b) VKS (c) WLT (d) EPH
- 10.If DESK is written as KSED, how is TOYS written in the same code? (a) UPZT (b) RXNS (c) SYOT (d) TZPU
- 11.If FISH is written as ITJG, how is SUN written in the same code? (a) TVO (b) OVT (c) MTR (d) NUS
- 12.If TREE is written as GIVV, how is GOLD written in the same code? (a) TLOW (b) UMPX (c) SKNV (d) HPME
- 13.If CAT is written as XZG, how is GOLD written in the same code? (a) HPME (b) TLOW (c) UMPX (d) SKNV
- 14.If WIND is written as DNIW, how is JUMP written in the same code? (a) OLTI (b) QNVK (c) KVNQ (d) PMUJ
- 15.If TREE is written as DDQS, how is JUMP written in the same code? (a) QNVK (b) OLTI (c) PMUJ (d) ITLO
- 16.If JUMP is written as QFNK, how is BOAT written in the same code? (a) CPBU (b) YLZG (c) ZMAH (d) XKYF
- 17.If STAR is written as QZSR, how is LAMP written in the same code? (a) PMAL (b) QNBM (c) KZLO (d) OLZK
- 18.If STAR is written as QZSR, how is BOAT written in the same code? (a) ANZS (b) UBPC (c) TAOB (d) SZNA
- 19.If PARK is written as QBSL, how is RAIN written in the same code? (a) SBJO (b) OJBS (c) QZHM (d) TCKP
- 20.If MOON is written as NLLM, how is TREE written in the same code? (a) USFF (b) HJWW (c) GIVV (d) FHUU
- 21.If STAR is written as SBUT, how is PEN written in the same code? (a) QFO (b) MDO (c) NEP (d) OFQ
- 22.If PARK is written as KRAP, how is COLD written in the same code? (a) DPME (b) DLOC (c) CKNB (d) EMPD
- 23.If MILK is written as NROP, how is PEN written in the same code? (a) JUL (b) QFO (c) KVM (d) LWN
- 24.If WIND is written as DRMW, how is CAT written in the same code? (a) WYF (b) YAH (c) DBU (d) XZG
- 25.If GOLD is written as DLOG, how is BELL written in the same code? (a) KKDA (b) CFMM (c) MMFC (d) LLEB
- 26.If DRUM is written as OWTF, how is FISH written in the same code? (a) FQGD (b) JUKH (c) HKUJ (d) HSIF
- 27.If TREE is written as WUHH, how is BOAT written in the same code? (a) DQCV (b) ERDW (c) FSEX (d) YLXQ
- 28.If TREE is written as USFF, how is DOG written in the same code? (a) CNF (b) HPE (c) EPH (d) FQI
- 29.If KITE is written as IGRC, how is SHIP written in the same code? (a) UJKR (b) RGHO (c) QFGN (d) PEFM
- 30.If NEST is written as MVHG, how is COLD written in the same code? (a) DPME (b) YMPX (c) XLOW (d) WKNV
- 31.If RAIN is written as IZRM, how is DESK written in the same code? (a) EFTL (b) VUGO (c) WVHP (d) XWIQ
- 32.If MILK is written as KLIM, how is LION written in the same code? (a) MNHK (b) MJPO (c) OPJM (d) NOIL
- 33.If KITE is written as ETIK, how is LION written in the same code? (a) NOIL (b) OPJM (c) MNHK (d) MJPO
- 34.If MOON is written as PQQO, how is TREE written in the same code? (a) VTGG (b) CCPR (c) GGTV (d) EERT
- 35.If DESK is written as WVHP, how is BOAT written in the same code? (a) CPBU (b) ZMAH (c) XKYF (d) YLZG
- 36.If TREE is written as EERT, how is LION written in the same code? (a) MJPO (b) NOIL (c) MNHK (d) OPJM
- 37.If COLD is written as DLOC, how is BELL written in the same code? (a) MMFC (b) KKDA (c) CFMM (d) LLEB
- 38.If BALL is written as DCNN, how is PEN written in the same code? (a) NCL (b) SHQ (c) RGP (d) QFO
- 39.If TOYS is written as RMWQ, how is KITE written in the same code? (a) HFQB (b) MKVG (c) IGRC (d) JHSD
- 40.If CAT is written as XZG, how is KITE written in the same code? (a) LJUF (b) QSHW (c) OQFU (d) PRGV
Answer key
- ORLM
- DGQF
- NOOM
- GIVV
- DBU
- KSED
- HFM
- ETIK
- WLT
- SYOT
- OVT
- TLOW
- TLOW
- PMUJ
- OLTI
- YLZG
- OLZK
- SZNA
- SBJO
- GIVV
- OFQ
- DLOC
- KVM
- XZG
- LLEB
- JUKH
- ERDW
- EPH
- QFGN
- XLOW
- WVHP
- NOIL
- NOIL
- GGTV
- YLZG
- NOIL
- LLEB
- RGP
- IGRC
- PRGV
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