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 DOG is written as GOD, how is BALL written in the same code? (a) LLAB (b) MMBC (c) KKZA (d) CBMM
- 2.If FROG is written as UILT, how is BALL written in the same code? (a) CBMM (b) YZOO (c) XYNN (d) ZAPP
- 3.If PARK is written as KRAP, how is MOON written in the same code? (a) OPPN (b) NOOM (c) MNNL (d) NPPO
- 4.If BOOK is written as KOOB, how is PEN written in the same code? (a) QFO (b) NEP (c) MDO (d) OFQ
- 5.If PEN is written as KVM, how is WIND written in the same code? (a) DRMW (b) CQLV (c) ESNX (d) XJOE
- 6.If CAKE is written as BZJD, how is MOON written in the same code? (a) MOON (b) NPPO (c) KMML (d) LNNM
- 7.If CAT is written as ECV, how is TOYS written in the same code? (a) WRBV (b) UPZT (c) VQAU (d) RMWQ
- 8.If FROG is written as UILT, how is LION written in the same code? (a) NQKL (b) ORLM (c) PSMN (d) MJPO
- 9.If FROG is written as IQTH, how is DRUM written in the same code? (a) FTWO (b) MURD (c) KSPB (d) OWTF
- 10.If KITE is written as PRGV, how is FISH written in the same code? (a) TQGR (b) URHS (c) GJTI (d) VSIT
- 11.If KITE is written as FUJL, how is WIND written in the same code? (a) CMHV (b) DNIW (c) XJOE (d) EOJX
- 12.If MILK is written as NJML, how is STAR written in the same code? (a) SBUT (b) RSZQ (c) TUBS (d) UVCT
- 13.If RAIN is written as IZRM, how is FISH written in the same code? (a) URHS (b) VSIT (c) TQGR (d) GJTI
- 14.If MILK is written as KLIM, how is KITE written in the same code? (a) LJUF (b) FUJL (c) DSHJ (d) ETIK
- 15.If MOON is written as NLLM, how is MILK written in the same code? (a) OSPQ (b) NROP (c) NJML (d) MQNO
- 16.If LION is written as PQKN, how is DRUM written in the same code? (a) OWTF (b) FTWO (c) KSPB (d) MURD
- 17.If SUN is written as HFM, how is DOG written in the same code? (a) VKS (b) WLT (c) XMU (d) EPH
- 18.If TOYS is written as VQAU, how is KITE written in the same code? (a) LJUF (b) NLWH (c) IGRC (d) MKVG
- 19.If HAND is written as DNAH, how is CAT written in the same code? (a) DBU (b) UBD (c) SZB (d) TAC
- 20.If KITE is written as PRGV, how is DESK written in the same code? (a) VUGO (b) XWIQ (c) WVHP (d) EFTL
- 21.If BOOK is written as KOOB, how is MOON written in the same code? (a) OPPN (b) NOOM (c) NPPO (d) MNNL
- 22.If GOLD is written as DLOG, how is STAR written in the same code? (a) TUBS (b) QZSR (c) SBUT (d) RATS
- 23.If LION is written as NOIL, how is NEST written in the same code? (a) OFTU (b) SRDM (c) TSEN (d) UTFO
- 24.If BOAT is written as CPBU, how is DESK written in the same code? (a) EFTL (b) CDRJ (c) LTFE (d) FGUM
- 25.If GOLD is written as HPME, how is MILK written in the same code? (a) NJML (b) LHKJ (c) OKNM (d) LMJN
- 26.If WIND is written as ZLQG, how is BOOK written in the same code? (a) ERRN (b) YLLH (c) DQQM (d) FSSO
- 27.If BELL is written as NNGD, how is TOYS written in the same code? (a) SYOT (b) VQAU (c) QWMR (d) UAQV
- 28.If BELL is written as YVOO, how is DOG written in the same code? (a) EPH (b) VKS (c) WLT (d) XMU
- 29.If BOAT is written as UBPC, how is PEN written in the same code? (a) QFO (b) NEP (c) MDO (d) OFQ
- 30.If LAMP is written as QNBM, how is RAIN written in the same code? (a) MHZQ (b) NIAR (c) SBJO (d) OJBS
- 31.If BELL is written as MMFC, how is FISH written in the same code? (a) ITJG (b) GRHE (c) HSIF (d) GJTI
- 32.If MOON is written as PQQO, how is HAND written in the same code? (a) DNAH (b) BLYF (c) JCPF (d) FPCJ
- 33.If JUMP is written as KVNQ, how is DESK written in the same code? (a) EFTL (b) LTFE (c) CDRJ (d) FGUM
- 34.If KITE is written as PRGV, how is COLD written in the same code? (a) WKNV (b) XLOW (c) YMPX (d) DPME
- 35.If COLD is written as DLOC, how is DRUM written in the same code? (a) MURD (b) LTQC (c) NVSE (d) ESVN
- 36.If MOON is written as NLLM, how is PEN written in the same code? (a) QFO (b) LWN (c) KVM (d) JUL
- 37.If HAND is written as SZMW, how is RAIN written in the same code? (a) IZRM (b) HYQL (c) JASN (d) SBJO
- 38.If PARK is written as KRAP, how is FISH written in the same code? (a) GRHE (b) ITJG (c) HSIF (d) GJTI
- 39.If PEN is written as QFO, how is LAMP written in the same code? (a) KZLO (b) MBNQ (c) NCOR (d) QNBM
- 40.If NEST is written as TSEN, how is STAR written in the same code? (a) SBUT (b) QZSR (c) TUBS (d) RATS
Answer key
- LLAB
- YZOO
- NOOM
- NEP
- DRMW
- LNNM
- VQAU
- ORLM
- OWTF
- URHS
- EOJX
- TUBS
- URHS
- ETIK
- NROP
- OWTF
- WLT
- MKVG
- TAC
- WVHP
- NOOM
- RATS
- TSEN
- EFTL
- NJML
- ERRN
- UAQV
- WLT
- OFQ
- OJBS
- ITJG
- FPCJ
- EFTL
- XLOW
- MURD
- KVM
- IZRM
- HSIF
- MBNQ
- RATS
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