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 RAIN is written as NIAR, how is DOG written in the same code? (a) HPE (b) GOD (c) FNC (d) EPH
- 2.If PEN is written as RGP, how is TREE written in the same code? (a) WUHH (b) RPCC (c) USFF (d) VTGG
- 3.If BOAT is written as TAOB, how is WIND written in the same code? (a) EOJX (b) XJOE (c) CMHV (d) DNIW
- 4.If KITE is written as ETIK, how is DOG written in the same code? (a) HPE (b) FNC (c) EPH (d) GOD
- 5.If BELL is written as YVOO, how is KITE written in the same code? (a) QSHW (b) OQFU (c) PRGV (d) LJUF
- 6.If CAT is written as DBU, how is COLD written in the same code? (a) BNKC (b) EQNF (c) EMPD (d) DPME
- 7.If LION is written as MJPO, how is RAIN written in the same code? (a) OJBS (b) SBJO (c) QZHM (d) TCKP
- 8.If TREE is written as GGTV, how is CAT written in the same code? (a) RYA (b) VCE (c) TAC (d) ECV
- 9.If RAIN is written as OJBS, how is CAKE written in the same code? (a) DBLF (b) EKAC (c) FLBD (d) DJZB
- 10.If RAIN is written as NIAR, how is HAND written in the same code? (a) CMZG (b) DNAH (c) EOBI (d) IBOE
- 11.If JUMP is written as HSKN, how is CAT written in the same code? (a) BZS (b) AYR (c) ZXQ (d) ECV
- 12.If BOOK is written as ANNJ, how is GOLD written in the same code? (a) GOLD (b) FNKC (c) HPME (d) EMJB
- 13.If WIND is written as YKPF, how is DESK written in the same code? (a) FGUM (b) GHVN (c) BCQI (d) EFTL
- 14.If JUMP is written as QFNK, how is BALL written in the same code? (a) YZOO (b) CBMM (c) XYNN (d) ZAPP
- 15.If BOAT is written as TAOB, how is COLD written in the same code? (a) DPME (b) CKNB (c) DLOC (d) EMPD
- 16.If DRUM is written as WIFN, how is SHIP written in the same code? (a) ITSL (b) GRQJ (c) TIJQ (d) HSRK
- 17.If DOG is written as FQI, how is DESK written in the same code? (a) FGUM (b) BCQI (c) GHVN (d) EFTL
- 18.If BOOK is written as CPPL, how is PARK written in the same code? (a) OZQJ (b) QBSL (c) LSBQ (d) RCTM
- 19.If PARK is written as KZIP, how is KITE written in the same code? (a) LJUF (b) QSHW (c) OQFU (d) PRGV
- 20.If GOLD is written as EMJB, how is WIND written in the same code? (a) VHMC (b) YKPF (c) TFKA (d) UGLB
- 21.If MOON is written as OPPN, how is CAT written in the same code? (a) DBU (b) SZB (c) UBD (d) TAC
- 22.If PEN is written as MDO, how is LION written in the same code? (a) NOIL (b) KHNM (c) OPJM (d) MNHK
- 23.If DESK is written as KSED, how is MILK written in the same code? (a) LMJN (b) KLIM (c) JKHL (d) NJML
- 24.If TOYS is written as RMWQ, how is GOLD written in the same code? (a) FNKC (b) EMJB (c) IQNF (d) DLIA
- 25.If BOOK is written as YLLP, how is HAND written in the same code? (a) TANX (b) RYLV (c) IBOE (d) SZMW
- 26.If DOG is written as BME, how is SUN written in the same code? (a) UWP (b) QSL (c) RTM (d) PRK
- 27.If STAR is written as UVCT, how is DESK written in the same code? (a) BCQI (b) GHVN (c) FGUM (d) EFTL
- 28.If PEN is written as PGR, how is BALL written in the same code? (a) JJYZ (b) NNCD (c) DCNN (d) LLAB
- 29.If FISH is written as URHS, how is BALL written in the same code? (a) ZAPP (b) XYNN (c) YZOO (d) CBMM
- 30.If SUN is written as NUS, how is STAR written in the same code? (a) QZSR (b) TUBS (c) SBUT (d) RATS
- 31.If TREE is written as GIVV, how is PARK written in the same code? (a) KZIP (b) LAJQ (c) QBSL (d) JYHO
- 32.If MOON is written as PQQO, how is PARK written in the same code? (a) IPYN (b) RCTM (c) KRAP (d) MTCR
- 33.If MOON is written as NPPO, how is STAR written in the same code? (a) UVCT (b) TUBS (c) RSZQ (d) SBUT
- 34.If BOOK is written as ANNJ, how is DOG written in the same code? (a) DOG (b) CNF (c) BME (d) EPH
- 35.If FROG is written as GORF, how is MILK written in the same code? (a) NJML (b) LMJN (c) KLIM (d) JKHL
- 36.If DRUM is written as MURD, how is PARK written in the same code? (a) JQZO (b) KRAP (c) QBSL (d) LSBQ
- 37.If BALL is written as LLAB, how is MOON written in the same code? (a) MNNL (b) NPPO (c) OPPN (d) NOOM
- 38.If RAIN is written as TCKP, how is STAR written in the same code? (a) VWDU (b) QRYP (c) UVCT (d) TUBS
- 39.If LAMP is written as OZNK, how is DRUM written in the same code? (a) VHEM (b) XJGO (c) ESVN (d) WIFN
- 40.If CAKE is written as FLBD, how is MOON written in the same code? (a) NPPO (b) MNNL (c) OPPN (d) NOOM
Answer key
- GOD
- VTGG
- DNIW
- GOD
- PRGV
- DPME
- SBJO
- VCE
- FLBD
- DNAH
- AYR
- FNKC
- FGUM
- YZOO
- DLOC
- HSRK
- FGUM
- QBSL
- PRGV
- UGLB
- UBD
- MNHK
- KLIM
- EMJB
- SZMW
- QSL
- FGUM
- NNCD
- YZOO
- RATS
- KZIP
- MTCR
- TUBS
- CNF
- KLIM
- KRAP
- NOOM
- UVCT
- WIFN
- OPPN
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