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 PARK is written as KZIP, how is DESK written in the same code? (a) VUGO (b) WVHP (c) XWIQ (d) EFTL
- 2.If PEN is written as KVM, how is TOYS written in the same code? (a) FKAG (b) UPZT (c) HMCI (d) GLBH
- 3.If LION is written as OPJM, how is DOG written in the same code? (a) GOD (b) FNC (c) EPH (d) HPE
- 4.If DRUM is written as WIFN, how is BOAT written in the same code? (a) CPBU (b) ZMAH (c) XKYF (d) YLZG
- 5.If DRUM is written as OWTF, how is DOG written in the same code? (a) FQI (b) GOD (c) EMB (d) IQF
- 6.If KITE is written as ETIK, how is LAMP written in the same code? (a) OLZK (b) MBNQ (c) QNBM (d) PMAL
- 7.If LAMP is written as PMAL, how is DRUM written in the same code? (a) ESVN (b) LTQC (c) MURD (d) NVSE
- 8.If PARK is written as LSBQ, how is CAT written in the same code? (a) UBD (b) DBU (c) SZB (d) TAC
- 9.If SHIP is written as HSRK, how is PEN written in the same code? (a) LWN (b) JUL (c) KVM (d) QFO
- 10.If WIND is written as FPKY, how is DRUM written in the same code? (a) KSPB (b) OWTF (c) MURD (d) FTWO
- 11.If FISH is written as URHS, how is COLD written in the same code? (a) YMPX (b) DPME (c) WKNV (d) XLOW
- 12.If JUMP is written as ROWL, how is STAR written in the same code? (a) UVCT (b) RATS (c) TCVU (d) PYRQ
- 13.If JUMP is written as QNVK, how is KITE written in the same code? (a) DSHJ (b) ETIK (c) FUJL (d) LJUF
- 14.If DESK is written as FGUM, how is CAKE written in the same code? (a) AYIC (b) DBLF (c) FDNH (d) ECMG
- 15.If SUN is written as OVT, how is LAMP written in the same code? (a) QNBM (b) OLZK (c) MBNQ (d) PMAL
- 16.If SUN is written as RTM, how is BELL written in the same code? (a) ADKK (b) ZCJJ (c) CFMM (d) BELL
- 17.If JUMP is written as QFNK, how is MOON written in the same code? (a) NPPO (b) MKKL (c) OMMN (d) NLLM
- 18.If TOYS is written as TZPU, how is KITE written in the same code? (a) DSHJ (b) LJUF (c) ETIK (d) FUJL
- 19.If SHIP is written as QJIT, how is MOON written in the same code? (a) MNNL (b) NOOM (c) OPPN (d) NPPO
- 20.If KITE is written as IGRC, how is TREE written in the same code? (a) RPCC (b) SQDD (c) QOBB (d) VTGG
- 21.If SHIP is written as RGHO, how is STAR written in the same code? (a) STAR (b) QRYP (c) TUBS (d) RSZQ
- 22.If BALL is written as LLAB, how is BOAT written in the same code? (a) SZNA (b) UBPC (c) CPBU (d) TAOB
- 23.If CAKE is written as DBLF, how is FISH written in the same code? (a) HKUJ (b) EHRG (c) ITJG (d) GJTI
- 24.If NEST is written as MDRS, how is COLD written in the same code? (a) COLD (b) AMJB (c) DPME (d) BNKC
- 25.If BALL is written as EDOO, how is CAKE written in the same code? (a) FDNH (b) ECMG (c) ZXHB (d) GEOI
- 26.If STAR is written as QZSR, how is BOAT written in the same code? (a) TAOB (b) ANZS (c) UBPC (d) SZNA
- 27.If COLD is written as FROG, how is MOON written in the same code? (a) PRRQ (b) QSSR (c) JLLK (d) OQQP
- 28.If STAR is written as HGZI, how is MOON written in the same code? (a) MKKL (b) OMMN (c) NPPO (d) NLLM
- 29.If PEN is written as NEP, how is KITE written in the same code? (a) ETIK (b) LJUF (c) DSHJ (d) FUJL
- 30.If BALL is written as NNCD, how is SHIP written in the same code? (a) RKJU (b) PIHS (c) NGFQ (d) UJKR
- 31.If BALL is written as YZOO, how is FISH written in the same code? (a) GJTI (b) TQGR (c) VSIT (d) URHS
- 32.If PARK is written as KRAP, how is SUN written in the same code? (a) NUS (b) MTR (c) OVT (d) TVO
- 33.If BOOK is written as YLLP, how is BOAT written in the same code? (a) CPBU (b) ZMAH (c) XKYF (d) YLZG
- 34.If MILK is written as NROP, how is BOAT written in the same code? (a) YLZG (b) CPBU (c) XKYF (d) ZMAH
- 35.If COLD is written as DLOC, how is BALL written in the same code? (a) CBMM (b) KKZA (c) MMBC (d) LLAB
- 36.If DRUM is written as MURD, how is FISH written in the same code? (a) GJTI (b) HSIF (c) GRHE (d) ITJG
- 37.If COLD is written as BNKC, how is FISH written in the same code? (a) GJTI (b) FISH (c) EHRG (d) DGQF
- 38.If BOOK is written as YLLP, how is DOG written in the same code? (a) XMU (b) VKS (c) WLT (d) EPH
- 39.If MILK is written as KLIM, how is LAMP written in the same code? (a) QNBM (b) PMAL (c) OLZK (d) MBNQ
- 40.If SUN is written as RTM, how is FISH written in the same code? (a) GJTI (b) DGQF (c) EHRG (d) FISH
Answer key
- WVHP
- GLBH
- HPE
- YLZG
- IQF
- PMAL
- MURD
- UBD
- KVM
- OWTF
- XLOW
- TCVU
- FUJL
- ECMG
- QNBM
- ADKK
- NLLM
- FUJL
- OPPN
- RPCC
- RSZQ
- TAOB
- GJTI
- BNKC
- FDNH
- SZNA
- PRRQ
- NLLM
- ETIK
- RKJU
- URHS
- NUS
- YLZG
- YLZG
- LLAB
- HSIF
- EHRG
- WLT
- PMAL
- EHRG
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