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 LION is written as ORLM, how is KITE written in the same code? (a) QSHW (b) OQFU (c) LJUF (d) PRGV
- 2.If KITE is written as PRGV, how is SUN written in the same code? (a) IGN (b) GEL (c) TVO (d) HFM
- 3.If PEN is written as MDO, how is DESK written in the same code? (a) LTFE (b) CDRJ (c) KSED (d) JRDC
- 4.If DOG is written as GOD, how is PEN written in the same code? (a) MDO (b) NEP (c) OFQ (d) QFO
- 5.If MILK is written as NROP, how is SHIP written in the same code? (a) GRQJ (b) TIJQ (c) HSRK (d) ITSL
- 6.If SHIP is written as QJIT, how is CAT written in the same code? (a) UBD (b) DBU (c) TAC (d) SZB
- 7.If COLD is written as DLOC, how is HAND written in the same code? (a) CMZG (b) DNAH (c) EOBI (d) IBOE
- 8.If STAR is written as RATS, how is LAMP written in the same code? (a) QNBM (b) MBNQ (c) PMAL (d) OLZK
- 9.If SHIP is written as QJIT, how is MILK written in the same code? (a) NJML (b) KLIM (c) JKHL (d) LMJN
- 10.If TREE is written as SQDD, how is FISH written in the same code? (a) EHRG (b) FISH (c) GJTI (d) DGQF
- 11.If SHIP is written as PIHS, how is PARK written in the same code? (a) KRAP (b) QBSL (c) JQZO (d) LSBQ
- 12.If TOYS is written as UAQV, how is BALL written in the same code? (a) NNCD (b) JJYZ (c) DCNN (d) LLAB
- 13.If FISH is written as HSIF, how is BELL written in the same code? (a) CFMM (b) LLEB (c) MMFC (d) KKDA
- 14.If FISH is written as GJTI, how is BOAT written in the same code? (a) UBPC (b) ANZS (c) DQCV (d) CPBU
- 15.If GOLD is written as FNQI, how is JUMP written in the same code? (a) LWOR (b) ROWL (c) NKSH (d) PMUJ
- 16.If CAKE is written as XZPV, how is PARK written in the same code? (a) JYHO (b) QBSL (c) KZIP (d) LAJQ
- 17.If FROG is written as UILT, how is PEN written in the same code? (a) KVM (b) LWN (c) QFO (d) JUL
- 18.If KITE is written as PRGV, how is RAIN written in the same code? (a) JASN (b) IZRM (c) SBJO (d) HYQL
- 19.If JUMP is written as PMUJ, how is NEST written in the same code? (a) SRDM (b) TSEN (c) UTFO (d) OFTU
- 20.If DOG is written as FNC, how is BOAT written in the same code? (a) TAOB (b) ANZS (c) SZNA (d) UBPC
- 21.If DOG is written as GOD, how is BELL written in the same code? (a) MMFC (b) LLEB (c) CFMM (d) KKDA
- 22.If RAIN is written as SBJO, how is MOON written in the same code? (a) OPPN (b) LNNM (c) OQQP (d) NPPO
- 23.If STAR is written as RSZQ, how is BELL written in the same code? (a) ZCJJ (b) ADKK (c) BELL (d) CFMM
- 24.If HAND is written as DNAH, how is SHIP written in the same code? (a) OHGR (b) PIHS (c) TIJQ (d) QJIT
- 25.If BELL is written as DGNN, how is STAR written in the same code? (a) QRYP (b) VWDU (c) TUBS (d) UVCT
- 26.If PEN is written as ODM, how is HAND written in the same code? (a) GZMC (b) HAND (c) IBOE (d) FYLB
- 27.If MILK is written as NROP, how is CAT written in the same code? (a) DBU (b) WYF (c) XZG (d) YAH
- 28.If FROG is written as IURJ, how is CAKE written in the same code? (a) FDNH (b) GEOI (c) ZXHB (d) ECMG
- 29.If BOOK is written as KOOB, how is JUMP written in the same code? (a) OLTI (b) KVNQ (c) PMUJ (d) QNVK
- 30.If NEST is written as MDRS, how is MOON written in the same code? (a) LNNM (b) MOON (c) NPPO (d) KMML
- 31.If FISH is written as HSIF, how is PEN written in the same code? (a) MDO (b) QFO (c) OFQ (d) NEP
- 32.If FROG is written as GORF, how is JUMP written in the same code? (a) QNVK (b) PMUJ (c) KVNQ (d) OLTI
- 33.If MOON is written as NLLM, how is DRUM written in the same code? (a) XJGO (b) VHEM (c) WIFN (d) ESVN
- 34.If DESK is written as BCQI, how is LAMP written in the same code? (a) JYKN (b) IXJM (c) NCOR (d) KZLO
- 35.If BOAT is written as TAOB, how is PARK written in the same code? (a) KRAP (b) LSBQ (c) JQZO (d) QBSL
- 36.If WIND is written as UGLB, how is HAND written in the same code? (a) EXKA (b) JCPF (c) FYLB (d) GZMC
- 37.If TREE is written as DDQS, how is DESK written in the same code? (a) KSED (b) CDRJ (c) LTFE (d) JRDC
- 38.If STAR is written as HGZI, how is FISH written in the same code? (a) TQGR (b) GJTI (c) URHS (d) VSIT
- 39.If PEN is written as NEP, how is DRUM written in the same code? (a) ESVN (b) LTQC (c) NVSE (d) MURD
- 40.If SHIP is written as PIHS, how is TOYS written in the same code? (a) SYOT (b) TZPU (c) RXNS (d) UPZT
Answer key
- PRGV
- HFM
- JRDC
- NEP
- HSRK
- UBD
- DNAH
- PMAL
- LMJN
- EHRG
- KRAP
- NNCD
- LLEB
- CPBU
- ROWL
- KZIP
- KVM
- IZRM
- TSEN
- SZNA
- LLEB
- NPPO
- ADKK
- PIHS
- UVCT
- GZMC
- XZG
- FDNH
- PMUJ
- LNNM
- NEP
- PMUJ
- WIFN
- JYKN
- KRAP
- FYLB
- JRDC
- URHS
- MURD
- SYOT
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