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 BOAT is written as ANZS, how is BOOK written in the same code? (a) ANNJ (b) ZMMI (c) BOOK (d) CPPL
- 2.If WIND is written as VHMC, how is DOG written in the same code? (a) DOG (b) CNF (c) EPH (d) BME
- 3.If LION is written as ORLM, how is CAT written in the same code? (a) WYF (b) YAH (c) DBU (d) XZG
- 4.If DOG is written as WLT, how is HAND written in the same code? (a) TANX (b) IBOE (c) SZMW (d) RYLV
- 5.If DESK is written as BCQI, how is BELL written in the same code? (a) ZCJJ (b) ADKK (c) DGNN (d) YBII
- 6.If STAR is written as TCVU, how is MOON written in the same code? (a) NOOM (b) OQQP (c) PQQO (d) LMMK
- 7.If DRUM is written as FTWO, how is FROG written in the same code? (a) DPME (b) GSPH (c) IURJ (d) HTQI
- 8.If MILK is written as PLON, how is SUN written in the same code? (a) WYR (b) VXQ (c) UWP (d) PRK
- 9.If NEST is written as VUGP, how is DOG written in the same code? (a) GOD (b) IQF (c) EMB (d) FQI
- 10.If CAT is written as DBU, how is KITE written in the same code? (a) FUJL (b) LJUF (c) MKVG (d) JHSD
- 11.If DRUM is written as MURD, how is DESK written in the same code? (a) JRDC (b) EFTL (c) KSED (d) LTFE
- 12.If LAMP is written as MBNQ, how is NEST written in the same code? (a) UTFO (b) OFTU (c) PGUV (d) MDRS
- 13.If RAIN is written as SBJO, how is BOOK written in the same code? (a) LPPC (b) ANNJ (c) CPPL (d) DQQM
- 14.If BELL is written as ADKK, how is NEST written in the same code? (a) MDRS (b) NEST (c) OFTU (d) LCQR
- 15.If DRUM is written as MURD, how is WIND written in the same code? (a) CMHV (b) XJOE (c) EOJX (d) DNIW
- 16.If DESK is written as KSED, how is BOOK written in the same code? (a) CPPL (b) JNNA (c) KOOB (d) LPPC
- 17.If STAR is written as RATS, how is FISH written in the same code? (a) GRHE (b) GJTI (c) ITJG (d) HSIF
- 18.If DRUM is written as WIFN, how is FISH written in the same code? (a) TQGR (b) GJTI (c) VSIT (d) URHS
- 19.If WIND is written as DRMW, how is DESK written in the same code? (a) VUGO (b) EFTL (c) XWIQ (d) WVHP
- 20.If KITE is written as ETIK, how is DOG written in the same code? (a) FNC (b) GOD (c) HPE (d) EPH
- 21.If CAKE is written as EKAC, how is LAMP written in the same code? (a) OLZK (b) MBNQ (c) PMAL (d) QNBM
- 22.If CAKE is written as DJZB, how is STAR written in the same code? (a) SBUT (b) RSZQ (c) RATS (d) QZSR
- 23.If MOON is written as NLLM, how is HAND written in the same code? (a) IBOE (b) SZMW (c) TANX (d) RYLV
- 24.If CAKE is written as BZJD, how is FROG written in the same code? (a) DPME (b) FROG (c) GSPH (d) EQNF
- 25.If JUMP is written as PMUJ, how is TOYS written in the same code? (a) RXNS (b) SYOT (c) UPZT (d) TZPU
- 26.If NEST is written as LCQR, how is SHIP written in the same code? (a) PEFM (b) QFGN (c) RGHO (d) UJKR
- 27.If JUMP is written as ITLO, how is BALL written in the same code? (a) AZKK (b) CBMM (c) ZYJJ (d) BALL
- 28.If BOOK is written as YLLP, how is LION written in the same code? (a) ORLM (b) PSMN (c) NQKL (d) MJPO
- 29.If TREE is written as GGTV, how is MILK written in the same code? (a) KLIM (b) MNKO (c) IJGK (d) OKNM
- 30.If HAND is written as DNAH, how is RAIN written in the same code? (a) OJBS (b) SBJO (c) NIAR (d) MHZQ
- 31.If DOG is written as EPH, how is HAND written in the same code? (a) GZMC (b) IBOE (c) JCPF (d) EOBI
- 32.If FROG is written as GORF, how is BOOK written in the same code? (a) LPPC (b) CPPL (c) KOOB (d) JNNA
- 33.If GOLD is written as TLOW, how is PEN written in the same code? (a) KVM (b) QFO (c) LWN (d) JUL
- 34.If SUN is written as MTR, how is KITE written in the same code? (a) JHSD (b) DSHJ (c) ETIK (d) FUJL
- 35.If NEST is written as SRDM, how is SUN written in the same code? (a) NUS (b) OVT (c) RTM (d) MTR
- 36.If FISH is written as URHS, how is CAT written in the same code? (a) DBU (b) WYF (c) XZG (d) YAH
- 37.If PARK is written as JQZO, how is SHIP written in the same code? (a) PIHS (b) RGHO (c) QJIT (d) OHGR
- 38.If DOG is written as GRJ, how is MOON written in the same code? (a) OQQP (b) JLLK (c) QSSR (d) PRRQ
- 39.If NEST is written as TSEN, how is BOOK written in the same code? (a) CPPL (b) LPPC (c) JNNA (d) KOOB
- 40.If DRUM is written as OWTF, how is TREE written in the same code? (a) EERT (b) GGTV (c) CCPR (d) VTGG
Answer key
- ANNJ
- CNF
- XZG
- SZMW
- ZCJJ
- PQQO
- HTQI
- VXQ
- IQF
- LJUF
- KSED
- OFTU
- CPPL
- MDRS
- DNIW
- KOOB
- HSIF
- URHS
- WVHP
- GOD
- PMAL
- QZSR
- SZMW
- EQNF
- SYOT
- QFGN
- AZKK
- ORLM
- MNKO
- NIAR
- IBOE
- KOOB
- KVM
- DSHJ
- MTR
- XZG
- OHGR
- PRRQ
- KOOB
- GGTV
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