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 PLON, how is MOON written in the same code? (a) JLLK (b) QSSR (c) OQQP (d) PRRQ
- 2.If CAT is written as ECV, how is DESK written in the same code? (a) BCQI (b) FGUM (c) EFTL (d) GHVN
- 3.If BALL is written as KKZA, how is PARK written in the same code? (a) JQZO (b) OZQJ (c) KRAP (d) LSBQ
- 4.If GOLD is written as IQNF, how is FISH written in the same code? (a) DGQF (b) HKUJ (c) GJTI (d) ILVK
- 5.If TOYS is written as RXNS, how is BOOK written in the same code? (a) KOOB (b) LPPC (c) JNNA (d) ANNJ
- 6.If FROG is written as IQTH, how is CAT written in the same code? (a) ECV (b) VCE (c) TAC (d) RYA
- 7.If BOAT is written as UBPC, how is GOLD written in the same code? (a) HPME (b) CKNF (c) DLOG (d) EMPH
- 8.If NEST is written as TSEN, how is CAKE written in the same code? (a) DBLF (b) DJZB (c) FLBD (d) EKAC
- 9.If JUMP is written as ROWL, how is STAR written in the same code? (a) RATS (b) UVCT (c) PYRQ (d) TCVU
- 10.If LAMP is written as NCOR, how is WIND written in the same code? (a) ZLQG (b) UGLB (c) XJOE (d) YKPF
- 11.If FROG is written as DPME, how is DRUM written in the same code? (a) CQTL (b) BPSK (c) FTWO (d) AORJ
- 12.If DESK is written as WVHP, how is DOG written in the same code? (a) WLT (b) EPH (c) VKS (d) XMU
- 13.If PARK is written as KZIP, how is CAKE written in the same code? (a) XZPV (b) DBLF (c) YAQW (d) WYOU
- 14.If CAT is written as SZB, how is RAIN written in the same code? (a) OJBS (b) NIAR (c) QZHM (d) MHZQ
- 15.If GOLD is written as DLOG, how is CAKE written in the same code? (a) FLBD (b) DBLF (c) EKAC (d) DJZB
- 16.If FISH is written as ILVK, how is STAR written in the same code? (a) PQXO (b) UVCT (c) WXEV (d) VWDU
- 17.If CAKE is written as EKAC, how is TOYS written in the same code? (a) UPZT (b) RXNS (c) TZPU (d) SYOT
- 18.If STAR is written as RSZQ, how is BOOK written in the same code? (a) BOOK (b) ANNJ (c) ZMMI (d) CPPL
- 19.If TOYS is written as UAQV, how is CAKE written in the same code? (a) CIYA (b) GMCE (c) EKAC (d) ECMG
- 20.If MOON is written as KMML, how is HAND written in the same code? (a) FYLB (b) GZMC (c) JCPF (d) EXKA
- 21.If KITE is written as ETIK, how is FISH written in the same code? (a) HSIF (b) ITJG (c) GRHE (d) GJTI
- 22.If LAMP is written as ROCN, how is MOON written in the same code? (a) NOOM (b) OQQP (c) PQQO (d) LMMK
- 23.If WIND is written as ZLQG, how is MOON written in the same code? (a) JLLK (b) QSSR (c) OQQP (d) PRRQ
- 24.If MOON is written as OPPN, how is STAR written in the same code? (a) QZSR (b) TUBS (c) SBUT (d) RATS
- 25.If PARK is written as KRAP, how is MILK written in the same code? (a) JKHL (b) KLIM (c) NJML (d) LMJN
- 26.If CAKE is written as XZPV, how is WIND written in the same code? (a) CQLV (b) ESNX (c) DRMW (d) XJOE
- 27.If FISH is written as HSIF, how is TREE written in the same code? (a) EERT (b) DDQS (c) FFSU (d) USFF
- 28.If MILK is written as OKNM, how is CAKE written in the same code? (a) AYIC (b) FDNH (c) DBLF (d) ECMG
- 29.If STAR is written as RATS, how is BALL written in the same code? (a) MMBC (b) CBMM (c) LLAB (d) KKZA
- 30.If FISH is written as HSIF, how is MILK written in the same code? (a) KLIM (b) LMJN (c) JKHL (d) NJML
- 31.If BOAT is written as TAOB, how is TOYS written in the same code? (a) TZPU (b) UPZT (c) SYOT (d) RXNS
- 32.If LAMP is written as NCOR, how is PARK written in the same code? (a) NYPI (b) QBSL (c) SDUN (d) RCTM
- 33.If PARK is written as KRAP, how is HAND written in the same code? (a) CMZG (b) EOBI (c) DNAH (d) IBOE
- 34.If NEST is written as MDRS, how is HAND written in the same code? (a) IBOE (b) HAND (c) GZMC (d) FYLB
- 35.If FROG is written as GORF, how is BOOK written in the same code? (a) LPPC (b) CPPL (c) JNNA (d) KOOB
- 36.If PARK is written as KRAP, how is BELL written in the same code? (a) CFMM (b) MMFC (c) LLEB (d) KKDA
- 37.If CAT is written as XZG, how is BALL written in the same code? (a) ZAPP (b) XYNN (c) CBMM (d) YZOO
- 38.If DRUM is written as WIFN, how is GOLD written in the same code? (a) TLOW (b) SKNV (c) UMPX (d) HPME
- 39.If JUMP is written as PMUJ, how is BOOK written in the same code? (a) JNNA (b) KOOB (c) LPPC (d) CPPL
- 40.If MILK is written as LHKJ, how is FROG written in the same code? (a) GSPH (b) DPME (c) EQNF (d) FROG
Answer key
- PRRQ
- FGUM
- JQZO
- HKUJ
- JNNA
- VCE
- EMPH
- EKAC
- TCVU
- YKPF
- BPSK
- WLT
- XZPV
- MHZQ
- EKAC
- VWDU
- SYOT
- ANNJ
- GMCE
- FYLB
- HSIF
- PQQO
- PRRQ
- SBUT
- KLIM
- DRMW
- EERT
- ECMG
- LLAB
- KLIM
- SYOT
- RCTM
- DNAH
- GZMC
- KOOB
- LLEB
- YZOO
- TLOW
- KOOB
- EQNF
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