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 SUN is written as UWP, how is NEST written in the same code? (a) LCQR (b) PGUV (c) QHVW (d) OFTU
- 2.If LION is written as ORLM, how is GOLD written in the same code? (a) HPME (b) SKNV (c) UMPX (d) TLOW
- 3.If LAMP is written as ODPS, how is DOG written in the same code? (a) FQI (b) HSK (c) GRJ (d) ALD
- 4.If CAT is written as XZG, how is PARK written in the same code? (a) JYHO (b) KZIP (c) LAJQ (d) QBSL
- 5.If GOLD is written as EMJB, how is TREE written in the same code? (a) RPCC (b) QOBB (c) SQDD (d) VTGG
- 6.If STAR is written as QRYP, how is BELL written in the same code? (a) DGNN (b) ADKK (c) ZCJJ (d) YBII
- 7.If PARK is written as JQZO, how is TOYS written in the same code? (a) SNXR (b) SYOT (c) TZPU (d) RXNS
- 8.If WIND is written as DRMW, how is BOAT written in the same code? (a) CPBU (b) YLZG (c) XKYF (d) ZMAH
- 9.If TREE is written as EERT, how is KITE written in the same code? (a) LJUF (b) ETIK (c) FUJL (d) DSHJ
- 10.If SHIP is written as HSRK, how is FISH written in the same code? (a) VSIT (b) URHS (c) TQGR (d) GJTI
- 11.If NEST is written as PGUV, how is BALL written in the same code? (a) DCNN (b) EDOO (c) ZYJJ (d) CBMM
- 12.If FISH is written as DGQF, how is RAIN written in the same code? (a) OXFK (b) TCKP (c) QZHM (d) PYGL
- 13.If SUN is written as HFM, how is CAKE written in the same code? (a) YAQW (b) DBLF (c) WYOU (d) XZPV
- 14.If KITE is written as FUJL, how is BALL written in the same code? (a) CBMM (b) LLAB (c) KKZA (d) MMBC
- 15.If MILK is written as NROP, how is KITE written in the same code? (a) PRGV (b) LJUF (c) OQFU (d) QSHW
- 16.If WIND is written as VHMC, how is PARK written in the same code? (a) NYPI (b) OZQJ (c) PARK (d) QBSL
- 17.If CAKE is written as XZPV, how is JUMP written in the same code? (a) KVNQ (b) RGOL (c) QFNK (d) PEMJ
- 18.If DESK is written as LTFE, how is DOG written in the same code? (a) EPH (b) FNC (c) HPE (d) GOD
- 19.If NEST is written as MVHG, how is STAR written in the same code? (a) IHAJ (b) TUBS (c) GFYH (d) HGZI
- 20.If PEN is written as KVM, how is LAMP written in the same code? (a) OZNK (b) NYMJ (c) MBNQ (d) PAOL
- 21.If DESK is written as BCQI, how is DOG written in the same code? (a) FQI (b) BME (c) CNF (d) ALD
- 22.If BELL is written as YVOO, how is BOOK written in the same code? (a) ZMMQ (b) XKKO (c) YLLP (d) CPPL
- 23.If MILK is written as MNKO, how is COLD written in the same code? (a) FNQE (b) BJMA (c) EQNF (d) DLOC
- 24.If DOG is written as BME, how is CAKE written in the same code? (a) ZXHB (b) BZJD (c) AYIC (d) ECMG
- 25.If HAND is written as FPCJ, how is DOG written in the same code? (a) EMB (b) IQF (c) FQI (d) GOD
- 26.If WIND is written as CMHV, how is BOOK written in the same code? (a) JNNA (b) ANNJ (c) LPPC (d) KOOB
- 27.If LAMP is written as PMAL, how is DRUM written in the same code? (a) ESVN (b) LTQC (c) NVSE (d) MURD
- 28.If BOOK is written as DQQM, how is MILK written in the same code? (a) KGJI (b) PLON (c) OKNM (d) NJML
- 29.If FISH is written as HSIF, how is BOAT written in the same code? (a) SZNA (b) CPBU (c) UBPC (d) TAOB
- 30.If BOOK is written as MQQD, how is STAR written in the same code? (a) RATS (b) UVCT (c) TCVU (d) PYRQ
- 31.If CAKE is written as XZPV, how is CAT written in the same code? (a) WYF (b) YAH (c) XZG (d) DBU
- 32.If TOYS is written as UPZT, how is HAND written in the same code? (a) EOBI (b) GZMC (c) IBOE (d) JCPF
- 33.If MILK is written as NROP, how is PEN written in the same code? (a) LWN (b) QFO (c) JUL (d) KVM
- 34.If KITE is written as PRGV, how is FISH written in the same code? (a) URHS (b) VSIT (c) GJTI (d) TQGR
- 35.If GOLD is written as TLOW, how is COLD written in the same code? (a) DPME (b) WKNV (c) XLOW (d) YMPX
- 36.If TOYS is written as TZPU, how is DRUM written in the same code? (a) ESVN (b) LTQC (c) MURD (d) NVSE
- 37.If MILK is written as LMJN, how is DRUM written in the same code? (a) MURD (b) ESVN (c) LTQC (d) NVSE
- 38.If CAT is written as UBD, how is FROG written in the same code? (a) GORF (b) GSPH (c) HPSG (d) FNQE
- 39.If LAMP is written as OZNK, how is BOAT written in the same code? (a) CPBU (b) XKYF (c) YLZG (d) ZMAH
- 40.If DOG is written as GOD, how is NEST written in the same code? (a) UTFO (b) TSEN (c) SRDM (d) OFTU
Answer key
- PGUV
- TLOW
- GRJ
- KZIP
- RPCC
- ZCJJ
- RXNS
- YLZG
- ETIK
- URHS
- DCNN
- PYGL
- XZPV
- MMBC
- PRGV
- OZQJ
- QFNK
- HPE
- HGZI
- OZNK
- BME
- YLLP
- FNQE
- AYIC
- IQF
- JNNA
- MURD
- OKNM
- TAOB
- TCVU
- XZG
- IBOE
- KVM
- URHS
- XLOW
- NVSE
- NVSE
- HPSG
- YLZG
- TSEN
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