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 KITE is written as FUJL, how is SUN written in the same code? (a) TVO (b) OVT (c) NUS (d) MTR
- 2.If LAMP is written as PMAL, how is HAND written in the same code? (a) CMZG (b) IBOE (c) DNAH (d) EOBI
- 3.If CAKE is written as XZPV, how is SUN written in the same code? (a) IGN (b) GEL (c) TVO (d) HFM
- 4.If DESK is written as WVHP, how is TOYS written in the same code? (a) UPZT (b) FKAG (c) HMCI (d) GLBH
- 5.If WIND is written as CMHV, how is DOG written in the same code? (a) GOD (b) HPE (c) CNF (d) FNC
- 6.If MOON is written as NLLM, how is MILK written in the same code? (a) OSPQ (b) MQNO (c) NJML (d) NROP
- 7.If GOLD is written as JROG, how is DOG written in the same code? (a) ALD (b) FQI (c) HSK (d) GRJ
- 8.If PARK is written as KRAP, how is BALL written in the same code? (a) CBMM (b) MMBC (c) LLAB (d) KKZA
- 9.If LION is written as ORLM, how is DESK written in the same code? (a) WVHP (b) EFTL (c) VUGO (d) XWIQ
- 10.If BELL is written as CFMM, how is LION written in the same code? (a) OPJM (b) KHNM (c) NKQP (d) MJPO
- 11.If GOLD is written as DLOG, how is SHIP written in the same code? (a) OHGR (b) TIJQ (c) QJIT (d) PIHS
- 12.If STAR is written as QRYP, how is FROG written in the same code? (a) DPME (b) EQNF (c) HTQI (d) COLD
- 13.If MOON is written as NPPO, how is CAT written in the same code? (a) UBD (b) BZS (c) ECV (d) DBU
- 14.If BOAT is written as TAOB, how is JUMP written in the same code? (a) KVNQ (b) OLTI (c) PMUJ (d) QNVK
- 15.If HAND is written as JCPF, how is TREE written in the same code? (a) WUHH (b) RPCC (c) VTGG (d) USFF
- 16.If MOON is written as NLLM, how is RAIN written in the same code? (a) IZRM (b) HYQL (c) JASN (d) SBJO
- 17.If SUN is written as PWU, how is COLD written in the same code? (a) BJMA (b) DLOC (c) EQNF (d) FNQE
- 18.If COLD is written as DLOC, how is CAT written in the same code? (a) UBD (b) TAC (c) SZB (d) DBU
- 19.If PARK is written as KZIP, how is DRUM written in the same code? (a) VHEM (b) WIFN (c) ESVN (d) XJGO
- 20.If KITE is written as PRGV, how is CAT written in the same code? (a) DBU (b) XZG (c) YAH (d) WYF
- 21.If PARK is written as RCTM, how is LAMP written in the same code? (a) ODPS (b) JYKN (c) NCOR (d) MBNQ
- 22.If BOOK is written as LPPC, how is FROG written in the same code? (a) GORF (b) GSPH (c) FNQE (d) HPSG
- 23.If LION is written as NKQP, how is GOLD written in the same code? (a) EMJB (b) JROG (c) IQNF (d) HPME
- 24.If KITE is written as LJUF, how is HAND written in the same code? (a) JCPF (b) EOBI (c) GZMC (d) IBOE
- 25.If TREE is written as GGTV, how is FISH written in the same code? (a) HKUJ (b) FQGD (c) JUKH (d) HSIF
- 26.If STAR is written as HGZI, how is CAKE written in the same code? (a) XZPV (b) YAQW (c) WYOU (d) DBLF
- 27.If BELL is written as LLEB, how is MILK written in the same code? (a) NJML (b) LMJN (c) KLIM (d) JKHL
- 28.If CAT is written as VCE, how is FISH written in the same code? (a) HSIF (b) HKUJ (c) FQGD (d) JUKH
- 29.If BELL is written as ADKK, how is PARK written in the same code? (a) QBSL (b) OZQJ (c) NYPI (d) PARK
- 30.If STAR is written as QZSR, how is DRUM written in the same code? (a) MURD (b) NVSE (c) LTQC (d) CQTL
- 31.If DRUM is written as FTWO, how is HAND written in the same code? (a) IBOE (b) KDQG (c) JCPF (d) FYLB
- 32.If CAKE is written as ECMG, how is SUN written in the same code? (a) QSL (b) VXQ (c) UWP (d) TVO
- 33.If BALL is written as LLAB, how is DOG written in the same code? (a) FNC (b) EPH (c) HPE (d) GOD
- 34.If SHIP is written as OHGR, how is LION written in the same code? (a) KHNM (b) OPJM (c) NOIL (d) MNHK
- 35.If KITE is written as NLWH, how is FROG written in the same code? (a) COLD (b) JVSK (c) IURJ (d) HTQI
- 36.If FISH is written as URHS, how is LION written in the same code? (a) PSMN (b) ORLM (c) NQKL (d) MJPO
- 37.If CAT is written as TAC, how is STAR written in the same code? (a) SBUT (b) TUBS (c) QZSR (d) RATS
- 38.If RAIN is written as MHZQ, how is PARK written in the same code? (a) OZQJ (b) LSBQ (c) KRAP (d) JQZO
- 39.If BOAT is written as TAOB, how is FROG written in the same code? (a) HPSG (b) GORF (c) FNQE (d) GSPH
- 40.If CAT is written as VCE, how is BELL written in the same code? (a) JJCZ (b) NNGD (c) LLEB (d) DGNN
Answer key
- OVT
- DNAH
- HFM
- GLBH
- FNC
- NROP
- GRJ
- LLAB
- WVHP
- MJPO
- PIHS
- DPME
- DBU
- PMUJ
- VTGG
- IZRM
- FNQE
- TAC
- WIFN
- XZG
- NCOR
- HPSG
- IQNF
- IBOE
- JUKH
- XZPV
- KLIM
- JUKH
- OZQJ
- LTQC
- JCPF
- UWP
- GOD
- MNHK
- IURJ
- ORLM
- RATS
- JQZO
- GORF
- NNGD
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