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 DESK is written as JRDC, how is DRUM written in the same code? (a) LTQC (b) CQTL (c) MURD (d) NVSE
- 2.If PEN is written as KVM, how is MOON written in the same code? (a) NPPO (b) MKKL (c) NLLM (d) OMMN
- 3.If PARK is written as JQZO, how is TOYS written in the same code? (a) TZPU (b) SNXR (c) SYOT (d) RXNS
- 4.If SUN is written as HFM, how is DRUM written in the same code? (a) WIFN (b) VHEM (c) XJGO (d) ESVN
- 5.If FISH is written as EHRG, how is KITE written in the same code? (a) IGRC (b) JHSD (c) LJUF (d) KITE
- 6.If COLD is written as AMJB, how is BOOK written in the same code? (a) ANNJ (b) ZMMI (c) DQQM (d) YLLH
- 7.If MOON is written as NLLM, how is DESK written in the same code? (a) VUGO (b) XWIQ (c) WVHP (d) EFTL
- 8.If MOON is written as NLLM, how is LION written in the same code? (a) ORLM (b) NQKL (c) MJPO (d) PSMN
- 9.If COLD is written as XLOW, how is BALL written in the same code? (a) XYNN (b) YZOO (c) ZAPP (d) CBMM
- 10.If LION is written as JGML, how is KITE written in the same code? (a) JHSD (b) HFQB (c) MKVG (d) IGRC
- 11.If CAKE is written as EKAC, how is GOLD written in the same code? (a) EMPH (b) HPME (c) DLOG (d) CKNF
- 12.If FISH is written as URHS, how is MILK written in the same code? (a) OSPQ (b) MQNO (c) NJML (d) NROP
- 13.If TREE is written as DDQS, how is FISH written in the same code? (a) GRHE (b) EHRG (c) ITJG (d) HSIF
- 14.If PEN is written as MDO, how is BOOK written in the same code? (a) KOOB (b) ANNJ (c) JNNA (d) LPPC
- 15.If MOON is written as KMML, how is MILK written in the same code? (a) JFIH (b) LHKJ (c) OKNM (d) KGJI
- 16.If MILK is written as JKHL, how is CAKE written in the same code? (a) EKAC (b) BZJD (c) FLBD (d) DJZB
- 17.If PARK is written as NYPI, how is WIND written in the same code? (a) YKPF (b) VHMC (c) TFKA (d) UGLB
- 18.If JUMP is written as ITLO, how is DOG written in the same code? (a) EPH (b) BME (c) DOG (d) CNF
- 19.If BELL is written as MMFC, how is NEST written in the same code? (a) UTFO (b) SRDM (c) TSEN (d) OFTU
- 20.If BALL is written as CBMM, how is DOG written in the same code? (a) FQI (b) HPE (c) CNF (d) EPH
- 21.If TREE is written as GIVV, how is PARK written in the same code? (a) KZIP (b) LAJQ (c) JYHO (d) QBSL
- 22.If RAIN is written as TCKP, how is TREE written in the same code? (a) WUHH (b) USFF (c) RPCC (d) VTGG
- 23.If MILK is written as JKHL, how is WIND written in the same code? (a) VHMC (b) EOJX (c) DNIW (d) CMHV
- 24.If SHIP is written as HSRK, how is WIND written in the same code? (a) CQLV (b) DRMW (c) XJOE (d) ESNX
- 25.If FISH is written as HSIF, how is BOOK written in the same code? (a) CPPL (b) LPPC (c) JNNA (d) KOOB
- 26.If STAR is written as TUBS, how is FISH written in the same code? (a) GJTI (b) EHRG (c) ITJG (d) HKUJ
- 27.If BOAT is written as SZNA, how is BALL written in the same code? (a) KKZA (b) LLAB (c) AZKK (d) MMBC
- 28.If COLD is written as FROG, how is STAR written in the same code? (a) WXEV (b) PQXO (c) UVCT (d) VWDU
- 29.If SHIP is written as PIHS, how is COLD written in the same code? (a) EMPD (b) DPME (c) DLOC (d) CKNB
- 30.If BOAT is written as TAOB, how is COLD written in the same code? (a) EMPD (b) CKNB (c) DLOC (d) DPME
- 31.If DESK is written as LTFE, how is DRUM written in the same code? (a) ESVN (b) NVSE (c) MURD (d) LTQC
- 32.If HAND is written as DNAH, how is BALL written in the same code? (a) CBMM (b) MMBC (c) KKZA (d) LLAB
- 33.If PARK is written as KRAP, how is BOAT written in the same code? (a) UBPC (b) CPBU (c) SZNA (d) TAOB
- 34.If BELL is written as YVOO, how is JUMP written in the same code? (a) KVNQ (b) QFNK (c) RGOL (d) PEMJ
- 35.If HAND is written as CMZG, how is FROG written in the same code? (a) EQNF (b) HPSG (c) FNQE (d) GORF
- 36.If FROG is written as UILT, how is RAIN written in the same code? (a) SBJO (b) IZRM (c) JASN (d) HYQL
- 37.If MILK is written as PLON, how is LAMP written in the same code? (a) PEQT (b) NCOR (c) ODPS (d) IXJM
- 38.If BALL is written as LLAB, how is BELL written in the same code? (a) MMFC (b) CFMM (c) LLEB (d) KKDA
- 39.If NEST is written as TSEN, how is KITE written in the same code? (a) FUJL (b) LJUF (c) DSHJ (d) ETIK
- 40.If SHIP is written as PIHS, how is NEST written in the same code? (a) TSEN (b) OFTU (c) UTFO (d) SRDM
Answer key
- LTQC
- NLLM
- RXNS
- WIFN
- JHSD
- ZMMI
- WVHP
- ORLM
- YZOO
- IGRC
- DLOG
- NROP
- GRHE
- JNNA
- KGJI
- DJZB
- UGLB
- CNF
- UTFO
- EPH
- KZIP
- VTGG
- CMHV
- DRMW
- KOOB
- GJTI
- KKZA
- VWDU
- DLOC
- DLOC
- NVSE
- LLAB
- TAOB
- QFNK
- FNQE
- IZRM
- ODPS
- LLEB
- ETIK
- TSEN
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