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 PARK is written as SDUN, how is BOAT written in the same code? (a) YLXQ (b) FSEX (c) ERDW (d) DQCV
- 2.If MOON is written as NOOM, how is LAMP written in the same code? (a) QNBM (b) PMAL (c) MBNQ (d) OLZK
- 3.If DRUM is written as MURD, how is MILK written in the same code? (a) LMJN (b) NJML (c) KLIM (d) JKHL
- 4.If PEN is written as OFQ, how is CAT written in the same code? (a) SZB (b) UBD (c) DBU (d) TAC
- 5.If DOG is written as BME, how is BELL written in the same code? (a) YBII (b) DGNN (c) ADKK (d) ZCJJ
- 6.If FROG is written as FNQE, how is RAIN written in the same code? (a) NIAR (b) MHZQ (c) QZHM (d) OJBS
- 7.If STAR is written as VWDU, how is PARK written in the same code? (a) SDUN (b) RCTM (c) TEVO (d) MXOH
- 8.If NEST is written as PGUV, how is TREE written in the same code? (a) RPCC (b) WUHH (c) VTGG (d) USFF
- 9.If WIND is written as XJOE, how is RAIN written in the same code? (a) QZHM (b) SBJO (c) TCKP (d) OJBS
- 10.If NEST is written as MVHG, how is MILK written in the same code? (a) OSPQ (b) MQNO (c) NROP (d) NJML
- 11.If BOAT is written as VCQD, how is PEN written in the same code? (a) NEP (b) LCN (c) RGP (d) PGR
- 12.If CAKE is written as DBLF, how is BOOK written in the same code? (a) ANNJ (b) CPPL (c) LPPC (d) DQQM
- 13.If FISH is written as URHS, how is MILK written in the same code? (a) MQNO (b) NROP (c) OSPQ (d) NJML
- 14.If DRUM is written as MURD, how is CAT written in the same code? (a) TAC (b) UBD (c) SZB (d) DBU
- 15.If TREE is written as GIVV, how is NEST written in the same code? (a) MVHG (b) NWIH (c) LUGF (d) OFTU
- 16.If DOG is written as IQF, how is LAMP written in the same code? (a) ROCN (b) NCOR (c) NKYJ (d) PMAL
- 17.If KITE is written as MKVG, how is HAND written in the same code? (a) JCPF (b) FYLB (c) KDQG (d) IBOE
- 18.If GOLD is written as DLOG, how is STAR written in the same code? (a) QZSR (b) RATS (c) TUBS (d) SBUT
- 19.If COLD is written as XLOW, how is PEN written in the same code? (a) LWN (b) JUL (c) QFO (d) KVM
- 20.If PEN is written as OFQ, how is GOLD written in the same code? (a) CKNF (b) HPME (c) EMPH (d) DLOG
- 21.If MOON is written as OQQP, how is WIND written in the same code? (a) ZLQG (b) YKPF (c) XJOE (d) UGLB
- 22.If CAKE is written as ECMG, how is PEN written in the same code? (a) QFO (b) NCL (c) SHQ (d) RGP
- 23.If GOLD is written as DLOG, how is SHIP written in the same code? (a) TIJQ (b) PIHS (c) QJIT (d) OHGR
- 24.If LION is written as MNHK, how is TOYS written in the same code? (a) RXNS (b) TZPU (c) SNXR (d) SYOT
- 25.If CAT is written as TAC, how is KITE written in the same code? (a) FUJL (b) LJUF (c) ETIK (d) DSHJ
- 26.If STAR is written as HGZI, how is HAND written in the same code? (a) SZMW (b) TANX (c) RYLV (d) IBOE
- 27.If DOG is written as EPH, how is PARK written in the same code? (a) QBSL (b) LSBQ (c) RCTM (d) OZQJ
- 28.If LION is written as ORLM, how is GOLD written in the same code? (a) UMPX (b) TLOW (c) HPME (d) SKNV
- 29.If HAND is written as JCPF, how is RAIN written in the same code? (a) TCKP (b) UDLQ (c) PYGL (d) SBJO
- 30.If TREE is written as WUHH, how is BALL written in the same code? (a) EDOO (b) FEPP (c) DCNN (d) YXII
- 31.If DOG is written as CNF, how is TREE written in the same code? (a) TREE (b) RPCC (c) SQDD (d) USFF
- 32.If BOOK is written as YLLP, how is LAMP written in the same code? (a) OZNK (b) PAOL (c) NYMJ (d) MBNQ
- 33.If BALL is written as LLAB, how is DOG written in the same code? (a) FNC (b) HPE (c) EPH (d) GOD
- 34.If BALL is written as MMBC, how is COLD written in the same code? (a) DPME (b) CKNB (c) EMPD (d) DLOC
- 35.If GOLD is written as DLOG, how is BOOK written in the same code? (a) JNNA (b) KOOB (c) LPPC (d) CPPL
- 36.If FROG is written as FNQE, how is FISH written in the same code? (a) ITJG (b) EHRG (c) HSIF (d) GRHE
- 37.If BOAT is written as SZNA, how is BOOK written in the same code? (a) LPPC (b) JNNA (c) ANNJ (d) KOOB
- 38.If NEST is written as OFTU, how is PEN written in the same code? (a) QFO (b) ODM (c) RGP (d) OFQ
- 39.If MOON is written as NOOM, how is SHIP written in the same code? (a) QJIT (b) TIJQ (c) PIHS (d) OHGR
- 40.If LION is written as NOIL, how is LAMP written in the same code? (a) QNBM (b) OLZK (c) PMAL (d) MBNQ
Answer key
- ERDW
- PMAL
- KLIM
- UBD
- ZCJJ
- MHZQ
- SDUN
- VTGG
- SBJO
- NROP
- PGR
- CPPL
- NROP
- TAC
- MVHG
- ROCN
- JCPF
- RATS
- KVM
- EMPH
- YKPF
- RGP
- PIHS
- RXNS
- ETIK
- SZMW
- QBSL
- TLOW
- TCKP
- EDOO
- SQDD
- OZNK
- GOD
- EMPD
- KOOB
- GRHE
- JNNA
- QFO
- PIHS
- PMAL
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