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 TAOB, how is TOYS written in the same code? (a) UPZT (b) SYOT (c) RXNS (d) TZPU
- 2.If RAIN is written as OJBS, how is SHIP written in the same code? (a) PIHS (b) QJIT (c) OHGR (d) TIJQ
- 3.If TREE is written as WUHH, how is FISH written in the same code? (a) CFPE (b) HKUJ (c) JMWL (d) ILVK
- 4.If RAIN is written as MHZQ, how is LION written in the same code? (a) MNHK (b) OPJM (c) KHNM (d) NOIL
- 5.If FROG is written as UILT, how is BELL written in the same code? (a) ZWPP (b) XUNN (c) YVOO (d) CFMM
- 6.If PARK is written as SDUN, how is JUMP written in the same code? (a) MXPS (b) LWOR (c) GRJM (d) NYQT
- 7.If FISH is written as URHS, how is BOAT written in the same code? (a) CPBU (b) YLZG (c) XKYF (d) ZMAH
- 8.If LION is written as PQKN, how is SHIP written in the same code? (a) UJKR (b) NGFQ (c) RKJU (d) PIHS
- 9.If CAT is written as XZG, how is NEST written in the same code? (a) LUGF (b) NWIH (c) OFTU (d) MVHG
- 10.If CAKE is written as DBLF, how is BOOK written in the same code? (a) LPPC (b) CPPL (c) DQQM (d) ANNJ
- 11.If WIND is written as XJOE, how is MOON written in the same code? (a) NPPO (b) OPPN (c) OQQP (d) LNNM
- 12.If PARK is written as KZIP, how is HAND written in the same code? (a) IBOE (b) RYLV (c) SZMW (d) TANX
- 13.If SHIP is written as RKJU, how is MOON written in the same code? (a) OQQP (b) LMMK (c) NOOM (d) PQQO
- 14.If KITE is written as FUJL, how is LAMP written in the same code? (a) MBNQ (b) PMAL (c) OLZK (d) QNBM
- 15.If DESK is written as JRDC, how is BALL written in the same code? (a) KKZA (b) MMBC (c) AZKK (d) LLAB
- 16.If MILK is written as KLIM, how is WIND written in the same code? (a) EOJX (b) CMHV (c) XJOE (d) DNIW
- 17.If SUN is written as MTR, how is JUMP written in the same code? (a) OLTI (b) QNVK (c) ITLO (d) PMUJ
- 18.If DRUM is written as MURD, how is DOG written in the same code? (a) FNC (b) EPH (c) GOD (d) HPE
- 19.If CAKE is written as FDNH, how is MILK written in the same code? (a) PLON (b) QMPO (c) OKNM (d) JFIH
- 20.If CAT is written as SZB, how is LION written in the same code? (a) OPJM (b) MNHK (c) KHNM (d) NOIL
- 21.If BALL is written as YZOO, how is GOLD written in the same code? (a) TLOW (b) UMPX (c) SKNV (d) HPME
- 22.If TOYS is written as VQAU, how is STAR written in the same code? (a) VWDU (b) UVCT (c) TUBS (d) QRYP
- 23.If TREE is written as FFSU, how is KITE written in the same code? (a) LJUF (b) DSHJ (c) FUJL (d) ETIK
- 24.If SUN is written as VXQ, how is NEST written in the same code? (a) KBPQ (b) QHVW (c) RIWX (d) PGUV
- 25.If MILK is written as KLIM, how is BALL written in the same code? (a) LLAB (b) MMBC (c) CBMM (d) KKZA
- 26.If PEN is written as KVM, how is KITE written in the same code? (a) PRGV (b) QSHW (c) LJUF (d) OQFU
- 27.If LAMP is written as OZNK, how is SUN written in the same code? (a) IGN (b) GEL (c) TVO (d) HFM
- 28.If BALL is written as CBMM, how is GOLD written in the same code? (a) IQNF (b) HPME (c) EMPH (d) FNKC
- 29.If KITE is written as PRGV, how is STAR written in the same code? (a) HGZI (b) TUBS (c) IHAJ (d) GFYH
- 30.If GOLD is written as TLOW, how is FROG written in the same code? (a) THKS (b) GSPH (c) UILT (d) VJMU
- 31.If TOYS is written as GLBH, how is FROG written in the same code? (a) VJMU (b) GSPH (c) UILT (d) THKS
- 32.If CAKE is written as EKAC, how is GOLD written in the same code? (a) EMPH (b) CKNF (c) DLOG (d) HPME
- 33.If DESK is written as WVHP, how is BELL written in the same code? (a) XUNN (b) CFMM (c) YVOO (d) ZWPP
- 34.If TREE is written as FFSU, how is PEN written in the same code? (a) QFO (b) NEP (c) OFQ (d) MDO
- 35.If PEN is written as PGR, how is CAT written in the same code? (a) ECV (b) RYA (c) TAC (d) VCE
- 36.If FROG is written as UILT, how is SUN written in the same code? (a) TVO (b) IGN (c) HFM (d) GEL
- 37.If LION is written as NOIL, how is PEN written in the same code? (a) OFQ (b) NEP (c) QFO (d) MDO
- 38.If WIND is written as DRMW, how is DRUM written in the same code? (a) VHEM (b) XJGO (c) ESVN (d) WIFN
- 39.If KITE is written as PRGV, how is BELL written in the same code? (a) YVOO (b) XUNN (c) CFMM (d) ZWPP
- 40.If SHIP is written as HSRK, how is BELL written in the same code? (a) CFMM (b) YVOO (c) XUNN (d) ZWPP
Answer key
- SYOT
- QJIT
- ILVK
- MNHK
- YVOO
- MXPS
- YLZG
- RKJU
- MVHG
- CPPL
- NPPO
- SZMW
- PQQO
- QNBM
- KKZA
- DNIW
- OLTI
- GOD
- PLON
- MNHK
- TLOW
- UVCT
- FUJL
- QHVW
- LLAB
- PRGV
- HFM
- HPME
- HGZI
- UILT
- UILT
- DLOG
- YVOO
- OFQ
- VCE
- HFM
- NEP
- WIFN
- YVOO
- YVOO
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