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 WIND is written as FPKY, how is CAT written in the same code? (a) TAC (b) ECV (c) RYA (d) VCE
- 2.If BELL is written as EHOO, how is JUMP written in the same code? (a) GRJM (b) NYQT (c) LWOR (d) MXPS
- 3.If NEST is written as QHVW, how is SUN written in the same code? (a) UWP (b) VXQ (c) WYR (d) PRK
- 4.If FISH is written as GRHE, how is MOON written in the same code? (a) LNNM (b) NOOM (c) MNNL (d) OPPN
- 5.If COLD is written as DLOC, how is KITE written in the same code? (a) DSHJ (b) FUJL (c) ETIK (d) LJUF
- 6.If GOLD is written as TLOW, how is FISH written in the same code? (a) GJTI (b) VSIT (c) URHS (d) TQGR
- 7.If HAND is written as FYLB, how is FISH written in the same code? (a) CFPE (b) EHRG (c) DGQF (d) HKUJ
- 8.If DOG is written as EPH, how is HAND written in the same code? (a) IBOE (b) GZMC (c) JCPF (d) EOBI
- 9.If KITE is written as PRGV, how is PEN written in the same code? (a) KVM (b) JUL (c) LWN (d) QFO
- 10.If RAIN is written as PKCT, how is FROG written in the same code? (a) EMPD (b) GORF (c) IQTH (d) HTQI
- 11.If COLD is written as EQNF, how is RAIN written in the same code? (a) UDLQ (b) SBJO (c) TCKP (d) PYGL
- 12.If DRUM is written as WIFN, how is GOLD written in the same code? (a) SKNV (b) TLOW (c) HPME (d) UMPX
- 13.If CAKE is written as XZPV, how is CAT written in the same code? (a) XZG (b) DBU (c) WYF (d) YAH
- 14.If STAR is written as QZSR, how is TREE written in the same code? (a) FFSU (b) DDQS (c) EERT (d) SQDD
- 15.If STAR is written as RATS, how is BALL written in the same code? (a) LLAB (b) CBMM (c) MMBC (d) KKZA
- 16.If PARK is written as KZIP, how is FISH written in the same code? (a) TQGR (b) VSIT (c) GJTI (d) URHS
- 17.If BOAT is written as TAOB, how is NEST written in the same code? (a) UTFO (b) SRDM (c) TSEN (d) OFTU
- 18.If FISH is written as ITJG, how is BALL written in the same code? (a) KKZA (b) CBMM (c) MMBC (d) LLAB
- 19.If CAT is written as VCE, how is FROG written in the same code? (a) IQTH (b) EMPD (c) GORF (d) HTQI
- 20.If KITE is written as DSHJ, how is SHIP written in the same code? (a) PIHS (b) OHGR (c) QJIT (d) RGHO
- 21.If BOAT is written as VCQD, how is SHIP written in the same code? (a) NGFQ (b) UJKR (c) RKJU (d) PIHS
- 22.If MOON is written as NOOM, how is RAIN written in the same code? (a) OJBS (b) SBJO (c) MHZQ (d) NIAR
- 23.If BOAT is written as VCQD, how is PEN written in the same code? (a) PGR (b) NEP (c) RGP (d) LCN
- 24.If BALL is written as KKZA, how is LION written in the same code? (a) NOIL (b) OPJM (c) KHNM (d) MNHK
- 25.If TOYS is written as UPZT, how is STAR written in the same code? (a) TUBS (b) SBUT (c) UVCT (d) RSZQ
- 26.If LAMP is written as ODPS, how is CAKE written in the same code? (a) ECMG (b) GEOI (c) FDNH (d) ZXHB
- 27.If DOG is written as HPE, how is SUN written in the same code? (a) NUS (b) OVT (c) MTR (d) TVO
- 28.If PARK is written as QBSL, how is LAMP written in the same code? (a) MBNQ (b) KZLO (c) QNBM (d) NCOR
- 29.If KITE is written as LJUF, how is PEN written in the same code? (a) OFQ (b) ODM (c) QFO (d) RGP
- 30.If HAND is written as DNAH, how is KITE written in the same code? (a) FUJL (b) LJUF (c) DSHJ (d) ETIK
- 31.If KITE is written as PRGV, how is BELL written in the same code? (a) ZWPP (b) CFMM (c) YVOO (d) XUNN
- 32.If MOON is written as PQQO, how is JUMP written in the same code? (a) LWOR (b) PMUJ (c) NKSH (d) ROWL
- 33.If GOLD is written as IQNF, how is TREE written in the same code? (a) WUHH (b) VTGG (c) RPCC (d) USFF
- 34.If DESK is written as BCQI, how is FISH written in the same code? (a) DGQF (b) CFPE (c) HKUJ (d) EHRG
- 35.If CAT is written as AYR, how is JUMP written in the same code? (a) HSKN (b) LWOR (c) ITLO (d) GRJM
- 36.If DRUM is written as MURD, how is DOG written in the same code? (a) FNC (b) EPH (c) HPE (d) GOD
- 37.If GOLD is written as CKNF, how is BOOK written in the same code? (a) JNNA (b) KOOB (c) ANNJ (d) LPPC
- 38.If DOG is written as GOD, how is KITE written in the same code? (a) LJUF (b) FUJL (c) DSHJ (d) ETIK
- 39.If BELL is written as LLEB, how is DOG written in the same code? (a) HPE (b) FNC (c) EPH (d) GOD
- 40.If FISH is written as URHS, how is MILK written in the same code? (a) NJML (b) OSPQ (c) NROP (d) MQNO
Answer key
- VCE
- MXPS
- VXQ
- MNNL
- ETIK
- URHS
- DGQF
- IBOE
- KVM
- IQTH
- TCKP
- TLOW
- XZG
- DDQS
- LLAB
- URHS
- TSEN
- MMBC
- IQTH
- OHGR
- RKJU
- NIAR
- PGR
- MNHK
- TUBS
- FDNH
- OVT
- MBNQ
- QFO
- ETIK
- YVOO
- ROWL
- VTGG
- DGQF
- HSKN
- GOD
- JNNA
- ETIK
- GOD
- NROP
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