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 TREE is written as GGTV, how is JUMP written in the same code? (a) PMUJ (b) LWOR (c) ROWL (d) NKSH
- 2.If CAKE is written as XZPV, how is GOLD written in the same code? (a) HPME (b) TLOW (c) SKNV (d) UMPX
- 3.If BOOK is written as YLLP, how is WIND written in the same code? (a) XJOE (b) ESNX (c) CQLV (d) DRMW
- 4.If TOYS is written as SYOT, how is CAKE written in the same code? (a) FLBD (b) EKAC (c) DJZB (d) DBLF
- 5.If NEST is written as QHVW, how is BELL written in the same code? (a) DGNN (b) YBII (c) EHOO (d) FIPP
- 6.If DRUM is written as WIFN, how is COLD written in the same code? (a) YMPX (b) DPME (c) WKNV (d) XLOW
- 7.If GOLD is written as DLOG, how is RAIN written in the same code? (a) SBJO (b) NIAR (c) MHZQ (d) OJBS
- 8.If MOON is written as NLLM, how is CAKE written in the same code? (a) XZPV (b) YAQW (c) DBLF (d) WYOU
- 9.If FROG is written as UILT, how is MILK written in the same code? (a) NROP (b) MQNO (c) OSPQ (d) NJML
- 10.If KITE is written as ETIK, how is BOAT written in the same code? (a) UBPC (b) CPBU (c) TAOB (d) SZNA
- 11.If BELL is written as KKDA, how is TREE written in the same code? (a) FFSU (b) DDQS (c) SQDD (d) EERT
- 12.If TOYS is written as RMWQ, how is SHIP written in the same code? (a) QFGN (b) RGHO (c) PEFM (d) UJKR
- 13.If KITE is written as PRGV, how is BELL written in the same code? (a) YVOO (b) CFMM (c) XUNN (d) ZWPP
- 14.If SUN is written as TVO, how is KITE written in the same code? (a) JHSD (b) LJUF (c) FUJL (d) MKVG
- 15.If FROG is written as GORF, how is BOOK written in the same code? (a) JNNA (b) KOOB (c) LPPC (d) CPPL
- 16.If DESK is written as KSED, how is BOOK written in the same code? (a) LPPC (b) JNNA (c) CPPL (d) KOOB
- 17.If HAND is written as DNAH, how is BELL written in the same code? (a) LLEB (b) KKDA (c) CFMM (d) MMFC
- 18.If LION is written as NOIL, how is MOON written in the same code? (a) OPPN (b) NPPO (c) MNNL (d) NOOM
- 19.If WIND is written as CMHV, how is MILK written in the same code? (a) LMJN (b) LHKJ (c) JKHL (d) KLIM
- 20.If FISH is written as GRHE, how is JUMP written in the same code? (a) OLTI (b) PMUJ (c) ITLO (d) QNVK
- 21.If BALL is written as AZKK, how is SHIP written in the same code? (a) RGHO (b) SHIP (c) QFGN (d) TIJQ
- 22.If DRUM is written as CQTL, how is DESK written in the same code? (a) CDRJ (b) DESK (c) BCQI (d) EFTL
- 23.If HAND is written as FYLB, how is DOG written in the same code? (a) ALD (b) FQI (c) CNF (d) BME
- 24.If BOOK is written as LPPC, how is PEN written in the same code? (a) QFO (b) OFQ (c) MDO (d) NEP
- 25.If COLD is written as XLOW, how is LION written in the same code? (a) ORLM (b) NQKL (c) PSMN (d) MJPO
- 26.If JUMP is written as PMUJ, how is RAIN written in the same code? (a) OJBS (b) SBJO (c) MHZQ (d) NIAR
- 27.If WIND is written as EOJX, how is GOLD written in the same code? (a) HPME (b) CKNF (c) EMPH (d) DLOG
- 28.If DRUM is written as MURD, how is CAT written in the same code? (a) UBD (b) TAC (c) DBU (d) SZB
- 29.If CAKE is written as EKAC, how is CAT written in the same code? (a) TAC (b) DBU (c) SZB (d) UBD
- 30.If FISH is written as ILVK, how is BALL written in the same code? (a) YXII (b) DCNN (c) FEPP (d) EDOO
- 31.If TREE is written as WUHH, how is CAKE written in the same code? (a) FDNH (b) ECMG (c) GEOI (d) ZXHB
- 32.If BALL is written as DCNN, how is FISH written in the same code? (a) GJTI (b) HKUJ (c) ILVK (d) DGQF
- 33.If BOOK is written as ERRN, how is WIND written in the same code? (a) YKPF (b) TFKA (c) AMRH (d) ZLQG
- 34.If RAIN is written as PYGL, how is LAMP written in the same code? (a) NCOR (b) JYKN (c) IXJM (d) KZLO
- 35.If CAT is written as FDW, how is LION written in the same code? (a) IFLK (b) PMSR (c) NKQP (d) OLRQ
- 36.If WIND is written as DNIW, how is SUN written in the same code? (a) OVT (b) MTR (c) TVO (d) NUS
- 37.If COLD is written as DLOC, how is MILK written in the same code? (a) JKHL (b) NJML (c) LMJN (d) KLIM
- 38.If STAR is written as HGZI, how is COLD written in the same code? (a) WKNV (b) XLOW (c) YMPX (d) DPME
- 39.If DESK is written as FGUM, how is JUMP written in the same code? (a) KVNQ (b) HSKN (c) LWOR (d) MXPS
- 40.If CAT is written as AYR, how is BOOK written in the same code? (a) ANNJ (b) YLLH (c) ZMMI (d) DQQM
Answer key
- ROWL
- TLOW
- DRMW
- EKAC
- EHOO
- XLOW
- NIAR
- XZPV
- NROP
- TAOB
- DDQS
- QFGN
- YVOO
- LJUF
- KOOB
- KOOB
- LLEB
- NOOM
- JKHL
- OLTI
- RGHO
- CDRJ
- BME
- OFQ
- ORLM
- NIAR
- EMPH
- TAC
- TAC
- EDOO
- FDNH
- HKUJ
- ZLQG
- JYKN
- OLRQ
- NUS
- KLIM
- XLOW
- LWOR
- ZMMI
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