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 BOOK is written as YLLP, how is CAKE written in the same code? (a) YAQW (b) DBLF (c) WYOU (d) XZPV
- 2.If WIND is written as DRMW, how is FISH written in the same code? (a) URHS (b) VSIT (c) TQGR (d) GJTI
- 3.If GOLD is written as EMPH, how is KITE written in the same code? (a) ETIK (b) FUJL (c) LJUF (d) DSHJ
- 4.If SUN is written as NUS, how is KITE written in the same code? (a) DSHJ (b) ETIK (c) LJUF (d) FUJL
- 5.If DOG is written as WLT, how is CAKE written in the same code? (a) YAQW (b) DBLF (c) WYOU (d) XZPV
- 6.If SHIP is written as PIHS, how is GOLD written in the same code? (a) EMPH (b) HPME (c) DLOG (d) CKNF
- 7.If DESK is written as KSED, how is BOOK written in the same code? (a) JNNA (b) CPPL (c) KOOB (d) LPPC
- 8.If PEN is written as RGP, how is MOON written in the same code? (a) PRRQ (b) KMML (c) OQQP (d) NPPO
- 9.If SUN is written as NUS, how is CAT written in the same code? (a) SZB (b) UBD (c) TAC (d) DBU
- 10.If CAT is written as TAC, how is SHIP written in the same code? (a) PIHS (b) QJIT (c) TIJQ (d) OHGR
- 11.If BELL is written as YVOO, how is FISH written in the same code? (a) GJTI (b) VSIT (c) URHS (d) TQGR
- 12.If PEN is written as OFQ, how is DRUM written in the same code? (a) MURD (b) ESVN (c) NVSE (d) LTQC
- 13.If PEN is written as ODM, how is GOLD written in the same code? (a) HPME (b) GOLD (c) EMJB (d) FNKC
- 14.If PARK is written as KRAP, how is HAND written in the same code? (a) CMZG (b) IBOE (c) DNAH (d) EOBI
- 15.If BOAT is written as TAOB, how is DESK written in the same code? (a) KSED (b) EFTL (c) LTFE (d) JRDC
- 16.If BOOK is written as KOOB, how is BALL written in the same code? (a) MMBC (b) CBMM (c) KKZA (d) LLAB
- 17.If BOAT is written as ZMYR, how is MILK written in the same code? (a) KGJI (b) JFIH (c) OKNM (d) LHKJ
- 18.If PEN is written as KVM, how is RAIN written in the same code? (a) HYQL (b) IZRM (c) SBJO (d) JASN
- 19.If FISH is written as URHS, how is JUMP written in the same code? (a) KVNQ (b) QFNK (c) RGOL (d) PEMJ
- 20.If PEN is written as KVM, how is MOON written in the same code? (a) NLLM (b) MKKL (c) NPPO (d) OMMN
- 21.If PARK is written as SDUN, how is BOAT written in the same code? (a) FSEX (b) YLXQ (c) DQCV (d) ERDW
- 22.If FROG is written as IURJ, how is RAIN written in the same code? (a) TCKP (b) OXFK (c) UDLQ (d) VEMR
- 23.If BOOK is written as CPPL, how is KITE written in the same code? (a) JHSD (b) MKVG (c) FUJL (d) LJUF
- 24.If BOAT is written as TAOB, how is RAIN written in the same code? (a) SBJO (b) MHZQ (c) NIAR (d) OJBS
- 25.If JUMP is written as QFNK, how is CAT written in the same code? (a) WYF (b) YAH (c) XZG (d) DBU
- 26.If FISH is written as HSIF, how is PEN written in the same code? (a) QFO (b) NEP (c) OFQ (d) MDO
- 27.If LION is written as NOIL, how is DRUM written in the same code? (a) ESVN (b) NVSE (c) MURD (d) LTQC
- 28.If DOG is written as WLT, how is BOOK written in the same code? (a) XKKO (b) CPPL (c) ZMMQ (d) YLLP
- 29.If SUN is written as PWU, how is FISH written in the same code? (a) HKUJ (b) JUKH (c) HSIF (d) FQGD
- 30.If DRUM is written as MURD, how is COLD written in the same code? (a) EMPD (b) DLOC (c) CKNB (d) DPME
- 31.If WIND is written as EOJX, how is COLD written in the same code? (a) DLOC (b) EMPD (c) DPME (d) CKNB
- 32.If RAIN is written as TCKP, how is DOG written in the same code? (a) EPH (b) FQI (c) GRJ (d) BME
- 33.If GOLD is written as DLOG, how is BOOK written in the same code? (a) KOOB (b) CPPL (c) LPPC (d) JNNA
- 34.If TREE is written as USFF, how is FISH written in the same code? (a) HKUJ (b) ITJG (c) GJTI (d) EHRG
- 35.If CAKE is written as XZPV, how is BOOK written in the same code? (a) CPPL (b) XKKO (c) ZMMQ (d) YLLP
- 36.If FISH is written as GJTI, how is LION written in the same code? (a) NKQP (b) KHNM (c) OPJM (d) MJPO
- 37.If TOYS is written as GLBH, how is MOON written in the same code? (a) NPPO (b) MKKL (c) NLLM (d) OMMN
- 38.If SHIP is written as HSRK, how is PARK written in the same code? (a) LAJQ (b) QBSL (c) JYHO (d) KZIP
- 39.If WIND is written as DRMW, how is NEST written in the same code? (a) NWIH (b) MVHG (c) LUGF (d) OFTU
- 40.If CAKE is written as GMCE, how is MILK written in the same code? (a) IJGK (b) OKNM (c) MNKO (d) KLIM
Answer key
- XZPV
- URHS
- FUJL
- ETIK
- XZPV
- DLOG
- KOOB
- OQQP
- TAC
- PIHS
- URHS
- NVSE
- FNKC
- DNAH
- KSED
- LLAB
- KGJI
- IZRM
- QFNK
- NLLM
- ERDW
- UDLQ
- LJUF
- NIAR
- XZG
- NEP
- MURD
- YLLP
- JUKH
- DLOC
- EMPD
- FQI
- KOOB
- GJTI
- YLLP
- MJPO
- NLLM
- KZIP
- MVHG
- MNKO
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