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 BOAT is written as YLZG, how is RAIN written in the same code? (a) JASN (b) SBJO (c) IZRM (d) HYQL
- 2.If FISH is written as HSIF, how is MILK written in the same code? (a) LMJN (b) NJML (c) KLIM (d) JKHL
- 3.If FISH is written as JUKH, how is KITE written in the same code? (a) ETIK (b) CRGI (c) GVKM (d) MKVG
- 4.If STAR is written as RATS, how is SUN written in the same code? (a) OVT (b) NUS (c) TVO (d) MTR
- 5.If RAIN is written as IZRM, how is PARK written in the same code? (a) QBSL (b) LAJQ (c) JYHO (d) KZIP
- 6.If GOLD is written as IQNF, how is KITE written in the same code? (a) NLWH (b) IGRC (c) LJUF (d) MKVG
- 7.If WIND is written as DNIW, how is COLD written in the same code? (a) DPME (b) DLOC (c) CKNB (d) EMPD
- 8.If CAKE is written as DBLF, how is PARK written in the same code? (a) RCTM (b) QBSL (c) OZQJ (d) LSBQ
- 9.If NEST is written as MDRS, how is TOYS written in the same code? (a) UPZT (b) RMWQ (c) TOYS (d) SNXR
- 10.If KITE is written as FUJL, how is DRUM written in the same code? (a) MURD (b) LTQC (c) NVSE (d) ESVN
- 11.If FROG is written as GORF, how is SHIP written in the same code? (a) QJIT (b) OHGR (c) TIJQ (d) PIHS
- 12.If BOAT is written as YLZG, how is HAND written in the same code? (a) RYLV (b) IBOE (c) TANX (d) SZMW
- 13.If FROG is written as HPSG, how is DOG written in the same code? (a) GOD (b) HPE (c) EPH (d) FNC
- 14.If DOG is written as BME, how is BELL written in the same code? (a) ZCJJ (b) YBII (c) DGNN (d) ADKK
- 15.If CAT is written as XZG, how is KITE written in the same code? (a) LJUF (b) QSHW (c) PRGV (d) OQFU
- 16.If JUMP is written as PMUJ, how is MILK written in the same code? (a) JKHL (b) NJML (c) KLIM (d) LMJN
- 17.If PEN is written as NEP, how is GOLD written in the same code? (a) CKNF (b) HPME (c) DLOG (d) EMPH
- 18.If HAND is written as KDQG, how is GOLD written in the same code? (a) DLIA (b) KSPH (c) IQNF (d) JROG
- 19.If HAND is written as FPCJ, how is BELL written in the same code? (a) LLEB (b) DGNN (c) NNGD (d) JJCZ
- 20.If LAMP is written as QNBM, how is BOOK written in the same code? (a) KOOB (b) CPPL (c) JNNA (d) LPPC
- 21.If SUN is written as OVT, how is DRUM written in the same code? (a) NVSE (b) ESVN (c) LTQC (d) MURD
- 22.If MILK is written as OKNM, how is DESK written in the same code? (a) GHVN (b) BCQI (c) FGUM (d) EFTL
- 23.If BOOK is written as CPPL, how is LAMP written in the same code? (a) KZLO (b) QNBM (c) NCOR (d) MBNQ
- 24.If BOOK is written as DQQM, how is MOON written in the same code? (a) KMML (b) NPPO (c) OQQP (d) PRRQ
- 25.If NEST is written as MVHG, how is GOLD written in the same code? (a) UMPX (b) HPME (c) SKNV (d) TLOW
- 26.If LAMP is written as OLZK, how is NEST written in the same code? (a) UTFO (b) TSEN (c) SRDM (d) MDRS
- 27.If BALL is written as LLAB, how is HAND written in the same code? (a) IBOE (b) EOBI (c) CMZG (d) DNAH
- 28.If DRUM is written as WIFN, how is GOLD written in the same code? (a) HPME (b) SKNV (c) UMPX (d) TLOW
- 29.If CAKE is written as DJZB, how is RAIN written in the same code? (a) NIAR (b) OJBS (c) QZHM (d) MHZQ
- 30.If MILK is written as LMJN, how is GOLD written in the same code? (a) HPME (b) CKNF (c) EMPH (d) DLOG
- 31.If DOG is written as FNC, how is SHIP written in the same code? (a) OHGR (b) QJIT (c) RGHO (d) PIHS
- 32.If BALL is written as DCNN, how is RAIN written in the same code? (a) TCKP (b) UDLQ (c) SBJO (d) PYGL
- 33.If PEN is written as SHQ, how is TOYS written in the same code? (a) VQAU (b) QLVP (c) XSCW (d) WRBV
- 34.If SHIP is written as HSRK, how is BELL written in the same code? (a) YVOO (b) XUNN (c) ZWPP (d) CFMM
- 35.If BOOK is written as YLLP, how is DESK written in the same code? (a) EFTL (b) VUGO (c) WVHP (d) XWIQ
- 36.If RAIN is written as PKCT, how is TOYS written in the same code? (a) SYOT (b) UAQV (c) QWMR (d) VQAU
- 37.If DRUM is written as WIFN, how is JUMP written in the same code? (a) PEMJ (b) QFNK (c) RGOL (d) KVNQ
- 38.If BOOK is written as YLLP, how is WIND written in the same code? (a) ESNX (b) XJOE (c) DRMW (d) CQLV
- 39.If FROG is written as HPSG, how is SUN written in the same code? (a) MTR (b) NUS (c) TVO (d) OVT
- 40.If BOOK is written as CPPL, how is BALL written in the same code? (a) CBMM (b) MMBC (c) DCNN (d) AZKK
Answer key
- IZRM
- KLIM
- GVKM
- NUS
- KZIP
- MKVG
- DLOC
- QBSL
- SNXR
- NVSE
- PIHS
- SZMW
- HPE
- ZCJJ
- PRGV
- KLIM
- DLOG
- JROG
- NNGD
- LPPC
- NVSE
- FGUM
- MBNQ
- OQQP
- TLOW
- SRDM
- DNAH
- TLOW
- MHZQ
- EMPH
- OHGR
- TCKP
- WRBV
- YVOO
- WVHP
- UAQV
- QFNK
- DRMW
- OVT
- CBMM
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