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 BALL is written as YZOO, how is FISH written in the same code? (a) URHS (b) TQGR (c) GJTI (d) VSIT
- 2.If MILK is written as KLIM, how is BELL written in the same code? (a) KKDA (b) MMFC (c) CFMM (d) LLEB
- 3.If DESK is written as FGUM, how is TREE written in the same code? (a) USFF (b) VTGG (c) WUHH (d) RPCC
- 4.If SUN is written as VXQ, how is FISH written in the same code? (a) ILVK (b) CFPE (c) HKUJ (d) JMWL
- 5.If TOYS is written as SYOT, how is SUN written in the same code? (a) MTR (b) OVT (c) TVO (d) NUS
- 6.If FISH is written as GJTI, how is STAR written in the same code? (a) RSZQ (b) UVCT (c) SBUT (d) TUBS
- 7.If LAMP is written as QNBM, how is FISH written in the same code? (a) GJTI (b) HSIF (c) GRHE (d) ITJG
- 8.If SHIP is written as QJIT, how is TREE written in the same code? (a) FFSU (b) EERT (c) USFF (d) DDQS
- 9.If DESK is written as FGUM, how is MILK written in the same code? (a) KGJI (b) PLON (c) OKNM (d) NJML
- 10.If CAT is written as TAC, how is CAKE written in the same code? (a) FLBD (b) EKAC (c) DJZB (d) DBLF
- 11.If DOG is written as GOD, how is SUN written in the same code? (a) MTR (b) OVT (c) TVO (d) NUS
- 12.If HAND is written as DNAH, how is GOLD written in the same code? (a) EMPH (b) CKNF (c) DLOG (d) HPME
- 13.If SUN is written as HFM, how is WIND written in the same code? (a) CQLV (b) ESNX (c) DRMW (d) XJOE
- 14.If FISH is written as JUKH, how is HAND written in the same code? (a) FPCJ (b) BLYF (c) JCPF (d) DNAH
- 15.If MILK is written as OKNM, how is WIND written in the same code? (a) XJOE (b) YKPF (c) UGLB (d) ZLQG
- 16.If BOAT is written as DQCV, how is PARK written in the same code? (a) SDUN (b) QBSL (c) NYPI (d) RCTM
- 17.If LION is written as NOIL, how is HAND written in the same code? (a) EOBI (b) CMZG (c) IBOE (d) DNAH
- 18.If TREE is written as GIVV, how is KITE written in the same code? (a) LJUF (b) OQFU (c) QSHW (d) PRGV
- 19.If SHIP is written as VKLS, how is STAR written in the same code? (a) PQXO (b) UVCT (c) VWDU (d) WXEV
- 20.If SHIP is written as HSRK, how is MOON written in the same code? (a) NLLM (b) NPPO (c) OMMN (d) MKKL
- 21.If MILK is written as KLIM, how is BOAT written in the same code? (a) SZNA (b) TAOB (c) CPBU (d) UBPC
- 22.If CAKE is written as EKAC, how is DESK written in the same code? (a) JRDC (b) KSED (c) LTFE (d) EFTL
- 23.If COLD is written as FROG, how is SUN written in the same code? (a) UWP (b) VXQ (c) PRK (d) WYR
- 24.If KITE is written as MKVG, how is PEN written in the same code? (a) NCL (b) RGP (c) SHQ (d) QFO
- 25.If DESK is written as BCQI, how is LION written in the same code? (a) JGML (b) KHNM (c) NKQP (d) IFLK
- 26.If HAND is written as SZMW, how is BOOK written in the same code? (a) CPPL (b) YLLP (c) ZMMQ (d) XKKO
- 27.If TOYS is written as TZPU, how is BOOK written in the same code? (a) LPPC (b) KOOB (c) CPPL (d) JNNA
- 28.If BALL is written as YZOO, how is PEN written in the same code? (a) LWN (b) JUL (c) KVM (d) QFO
- 29.If PEN is written as KVM, how is GOLD written in the same code? (a) HPME (b) UMPX (c) TLOW (d) SKNV
- 30.If LAMP is written as NCOR, how is KITE written in the same code? (a) IGRC (b) MKVG (c) LJUF (d) NLWH
- 31.If LION is written as PQKN, how is STAR written in the same code? (a) PYRQ (b) TCVU (c) UVCT (d) RATS
- 32.If CAKE is written as XZPV, how is NEST written in the same code? (a) OFTU (b) NWIH (c) LUGF (d) MVHG
- 33.If MILK is written as MNKO, how is STAR written in the same code? (a) UVCT (b) PYRQ (c) RATS (d) TCVU
- 34.If STAR is written as TUBS, how is TREE written in the same code? (a) SQDD (b) VTGG (c) USFF (d) FFSU
- 35.If BALL is written as NNCD, how is FISH written in the same code? (a) HKUJ (b) FQGD (c) HSIF (d) JUKH
- 36.If MILK is written as LMJN, how is STAR written in the same code? (a) QZSR (b) SBUT (c) TUBS (d) RATS
- 37.If SHIP is written as HSRK, how is BALL written in the same code? (a) YZOO (b) XYNN (c) CBMM (d) ZAPP
- 38.If LION is written as OPJM, how is TOYS written in the same code? (a) SYOT (b) UPZT (c) TZPU (d) RXNS
- 39.If DOG is written as HPE, how is KITE written in the same code? (a) ETIK (b) LJUF (c) FUJL (d) DSHJ
- 40.If BELL is written as DGNN, how is JUMP written in the same code? (a) LWOR (b) KVNQ (c) HSKN (d) MXPS
Answer key
- URHS
- LLEB
- VTGG
- ILVK
- NUS
- TUBS
- ITJG
- FFSU
- OKNM
- EKAC
- NUS
- DLOG
- DRMW
- FPCJ
- YKPF
- RCTM
- DNAH
- PRGV
- VWDU
- NLLM
- TAOB
- KSED
- VXQ
- RGP
- JGML
- YLLP
- LPPC
- KVM
- TLOW
- MKVG
- TCVU
- MVHG
- TCVU
- USFF
- JUKH
- SBUT
- YZOO
- TZPU
- FUJL
- LWOR
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