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 FISH is written as HSIF, how is MILK written in the same code? (a) NJML (b) JKHL (c) LMJN (d) KLIM
- 2.If LAMP is written as KZLO, how is JUMP written in the same code? (a) KVNQ (b) HSKN (c) JUMP (d) ITLO
- 3.If STAR is written as HGZI, how is LION written in the same code? (a) MJPO (b) ORLM (c) NQKL (d) PSMN
- 4.If CAT is written as DBU, how is BALL written in the same code? (a) AZKK (b) MMBC (c) CBMM (d) DCNN
- 5.If COLD is written as BNKC, how is CAKE written in the same code? (a) CAKE (b) AYIC (c) BZJD (d) DBLF
- 6.If MILK is written as KLIM, how is CAT written in the same code? (a) UBD (b) SZB (c) TAC (d) DBU
- 7.If KITE is written as MKVG, how is RAIN written in the same code? (a) SBJO (b) PYGL (c) TCKP (d) UDLQ
- 8.If SUN is written as TVO, how is BALL written in the same code? (a) DCNN (b) MMBC (c) AZKK (d) CBMM
- 9.If PEN is written as NEP, how is SHIP written in the same code? (a) PIHS (b) TIJQ (c) OHGR (d) QJIT
- 10.If CAT is written as ECV, how is BALL written in the same code? (a) DCNN (b) ZYJJ (c) CBMM (d) EDOO
- 11.If PEN is written as KVM, how is WIND written in the same code? (a) CQLV (b) ESNX (c) DRMW (d) XJOE
- 12.If GOLD is written as TLOW, how is CAKE written in the same code? (a) YAQW (b) WYOU (c) DBLF (d) XZPV
- 13.If LAMP is written as PMAL, how is CAKE written in the same code? (a) FLBD (b) DBLF (c) EKAC (d) DJZB
- 14.If KITE is written as DSHJ, how is FISH written in the same code? (a) GRHE (b) HSIF (c) EHRG (d) ITJG
- 15.If HAND is written as CMZG, how is GOLD written in the same code? (a) FNKC (b) CKNF (c) DLOG (d) EMPH
- 16.If PARK is written as QBSL, how is BELL written in the same code? (a) DGNN (b) ADKK (c) CFMM (d) MMFC
- 17.If NEST is written as TSEN, how is TOYS written in the same code? (a) SYOT (b) UPZT (c) TZPU (d) RXNS
- 18.If CAKE is written as ECMG, how is BOAT written in the same code? (a) DQCV (b) ERDW (c) CPBU (d) ZMYR
- 19.If JUMP is written as ROWL, how is SHIP written in the same code? (a) UJKR (b) NGFQ (c) RKJU (d) PIHS
- 20.If STAR is written as QZSR, how is NEST written in the same code? (a) MDRS (b) UTFO (c) SRDM (d) TSEN
- 21.If DRUM is written as GUXP, how is STAR written in the same code? (a) PQXO (b) UVCT (c) WXEV (d) VWDU
- 22.If TREE is written as WUHH, how is HAND written in the same code? (a) JCPF (b) KDQG (c) EXKA (d) LERH
- 23.If BOOK is written as YLLP, how is NEST written in the same code? (a) NWIH (b) OFTU (c) MVHG (d) LUGF
- 24.If PARK is written as JQZO, how is DOG written in the same code? (a) FNC (b) GOD (c) CNF (d) HPE
- 25.If BOOK is written as YLLP, how is BELL written in the same code? (a) XUNN (b) ZWPP (c) CFMM (d) YVOO
- 26.If PEN is written as OFQ, how is SUN written in the same code? (a) TVO (b) MTR (c) OVT (d) NUS
- 27.If DRUM is written as CQTL, how is LAMP written in the same code? (a) MBNQ (b) JYKN (c) LAMP (d) KZLO
- 28.If COLD is written as DLOC, how is MILK written in the same code? (a) KLIM (b) LMJN (c) JKHL (d) NJML
- 29.If WIND is written as EOJX, how is LION written in the same code? (a) OPJM (b) MNHK (c) MJPO (d) NOIL
- 30.If LION is written as OPJM, how is CAKE written in the same code? (a) DBLF (b) FLBD (c) DJZB (d) EKAC
- 31.If BALL is written as MMBC, how is CAT written in the same code? (a) SZB (b) UBD (c) TAC (d) DBU
- 32.If SUN is written as HFM, how is FROG written in the same code? (a) THKS (b) GSPH (c) UILT (d) VJMU
- 33.If WIND is written as VHMC, how is BOOK written in the same code? (a) ZMMI (b) BOOK (c) ANNJ (d) CPPL
- 34.If BOAT is written as ZMYR, how is KITE written in the same code? (a) JHSD (b) IGRC (c) HFQB (d) MKVG
- 35.If JUMP is written as ROWL, how is CAT written in the same code? (a) TAC (b) VCE (c) ECV (d) RYA
- 36.If STAR is written as QZSR, how is DRUM written in the same code? (a) CQTL (b) LTQC (c) NVSE (d) MURD
- 37.If DRUM is written as FTWO, how is SUN written in the same code? (a) TVO (b) UWP (c) VXQ (d) QSL
- 38.If RAIN is written as MHZQ, how is BALL written in the same code? (a) AZKK (b) LLAB (c) MMBC (d) KKZA
- 39.If BOAT is written as ANZS, how is MILK written in the same code? (a) KGJI (b) LHKJ (c) NJML (d) MILK
- 40.If TOYS is written as RXNS, how is BELL written in the same code? (a) KKDA (b) LLEB (c) ADKK (d) MMFC
Answer key
- KLIM
- ITLO
- ORLM
- CBMM
- BZJD
- TAC
- TCKP
- CBMM
- PIHS
- DCNN
- DRMW
- XZPV
- EKAC
- GRHE
- CKNF
- CFMM
- SYOT
- DQCV
- RKJU
- SRDM
- VWDU
- KDQG
- MVHG
- FNC
- YVOO
- OVT
- KZLO
- KLIM
- OPJM
- FLBD
- UBD
- UILT
- ANNJ
- IGRC
- VCE
- LTQC
- UWP
- KKZA
- LHKJ
- KKDA
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