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 TOYS is written as RMWQ, how is BALL written in the same code? (a) YXII (b) DCNN (c) AZKK (d) ZYJJ
- 2.If FROG is written as DPME, how is STAR written in the same code? (a) UVCT (b) RSZQ (c) PQXO (d) QRYP
- 3.If KITE is written as IGRC, how is HAND written in the same code? (a) JCPF (b) GZMC (c) EXKA (d) FYLB
- 4.If DRUM is written as GUXP, how is TOYS written in the same code? (a) VQAU (b) WRBV (c) QLVP (d) XSCW
- 5.If MOON is written as PRRQ, how is PARK written in the same code? (a) MXOH (b) RCTM (c) TEVO (d) SDUN
- 6.If DOG is written as IQF, how is MOON written in the same code? (a) OQQP (b) NOOM (c) LMMK (d) PQQO
- 7.If KITE is written as ETIK, how is SHIP written in the same code? (a) PIHS (b) OHGR (c) TIJQ (d) QJIT
- 8.If PEN is written as NEP, how is RAIN written in the same code? (a) OJBS (b) MHZQ (c) NIAR (d) SBJO
- 9.If CAKE is written as ECMG, how is WIND written in the same code? (a) ZLQG (b) UGLB (c) YKPF (d) XJOE
- 10.If SHIP is written as QFGN, how is BELL written in the same code? (a) ADKK (b) DGNN (c) ZCJJ (d) YBII
- 11.If FROG is written as IQTH, how is JUMP written in the same code? (a) NKSH (b) LWOR (c) ROWL (d) PMUJ
- 12.If GOLD is written as DLOG, how is JUMP written in the same code? (a) PMUJ (b) OLTI (c) QNVK (d) KVNQ
- 13.If BALL is written as NNCD, how is LAMP written in the same code? (a) ROCN (b) NKYJ (c) NCOR (d) PMAL
- 14.If RAIN is written as NIAR, how is KITE written in the same code? (a) DSHJ (b) ETIK (c) LJUF (d) FUJL
- 15.If LION is written as OLRQ, how is BALL written in the same code? (a) YXII (b) FEPP (c) DCNN (d) EDOO
- 16.If BALL is written as MMBC, how is PARK written in the same code? (a) LSBQ (b) JQZO (c) KRAP (d) QBSL
- 17.If BOOK is written as YLLP, how is PEN written in the same code? (a) KVM (b) JUL (c) QFO (d) LWN
- 18.If PEN is written as MDO, how is WIND written in the same code? (a) VHMC (b) DNIW (c) EOJX (d) CMHV
- 19.If COLD is written as EQNF, how is CAT written in the same code? (a) FDW (b) DBU (c) ECV (d) AYR
- 20.If LAMP is written as ODPS, how is WIND written in the same code? (a) TFKA (b) AMRH (c) ZLQG (d) YKPF
- 21.If HAND is written as DNAH, how is BELL written in the same code? (a) LLEB (b) MMFC (c) KKDA (d) CFMM
- 22.If GOLD is written as IQNF, how is LION written in the same code? (a) MJPO (b) OLRQ (c) NKQP (d) JGML
- 23.If LAMP is written as JYKN, how is BOOK written in the same code? (a) DQQM (b) ANNJ (c) YLLH (d) ZMMI
- 24.If BELL is written as NNGD, how is TOYS written in the same code? (a) QWMR (b) VQAU (c) SYOT (d) UAQV
- 25.If CAKE is written as AYIC, how is LION written in the same code? (a) IFLK (b) NKQP (c) JGML (d) KHNM
- 26.If HAND is written as DNAH, how is LION written in the same code? (a) OPJM (b) MNHK (c) MJPO (d) NOIL
- 27.If TOYS is written as SNXR, how is LION written in the same code? (a) KHNM (b) MJPO (c) LION (d) JGML
- 28.If RAIN is written as IZRM, how is FISH written in the same code? (a) TQGR (b) GJTI (c) VSIT (d) URHS
- 29.If FROG is written as GORF, how is BOAT written in the same code? (a) UBPC (b) CPBU (c) SZNA (d) TAOB
- 30.If TREE is written as VTGG, how is BALL written in the same code? (a) EDOO (b) CBMM (c) DCNN (d) ZYJJ
- 31.If DOG is written as FNC, how is DRUM written in the same code? (a) MURD (b) NVSE (c) LTQC (d) CQTL
- 32.If WIND is written as YKPF, how is KITE written in the same code? (a) IGRC (b) NLWH (c) MKVG (d) LJUF
- 33.If GOLD is written as EMPH, how is BELL written in the same code? (a) LLEB (b) KKDA (c) MMFC (d) CFMM
- 34.If DRUM is written as MURD, how is DOG written in the same code? (a) GOD (b) EPH (c) FNC (d) HPE
- 35.If LAMP is written as PMAL, how is PEN written in the same code? (a) MDO (b) QFO (c) NEP (d) OFQ
- 36.If TREE is written as GIVV, how is BOAT written in the same code? (a) YLZG (b) XKYF (c) CPBU (d) ZMAH
- 37.If MILK is written as KLIM, how is TOYS written in the same code? (a) RXNS (b) SYOT (c) UPZT (d) TZPU
- 38.If PEN is written as NCL, how is KITE written in the same code? (a) HFQB (b) IGRC (c) MKVG (d) JHSD
- 39.If BOAT is written as ANZS, how is MOON written in the same code? (a) NPPO (b) LNNM (c) KMML (d) MOON
- 40.If KITE is written as ETIK, how is NEST written in the same code? (a) UTFO (b) OFTU (c) SRDM (d) TSEN
Answer key
- ZYJJ
- QRYP
- FYLB
- WRBV
- SDUN
- PQQO
- PIHS
- NIAR
- YKPF
- ZCJJ
- ROWL
- PMUJ
- ROCN
- ETIK
- EDOO
- LSBQ
- KVM
- CMHV
- ECV
- ZLQG
- LLEB
- NKQP
- ZMMI
- UAQV
- JGML
- NOIL
- KHNM
- URHS
- TAOB
- DCNN
- LTQC
- MKVG
- MMFC
- GOD
- NEP
- YLZG
- SYOT
- IGRC
- LNNM
- TSEN
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