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 FROG is written as UILT, how is HAND written in the same code? (a) RYLV (b) SZMW (c) IBOE (d) TANX
- 2.If TREE is written as EERT, how is DRUM written in the same code? (a) MURD (b) LTQC (c) NVSE (d) ESVN
- 3.If COLD is written as XLOW, how is FISH written in the same code? (a) TQGR (b) VSIT (c) URHS (d) GJTI
- 4.If CAKE is written as XZPV, how is DOG written in the same code? (a) XMU (b) WLT (c) EPH (d) VKS
- 5.If GOLD is written as FNKC, how is BOOK written in the same code? (a) ANNJ (b) ZMMI (c) BOOK (d) CPPL
- 6.If NEST is written as MVHG, how is LION written in the same code? (a) NQKL (b) MJPO (c) ORLM (d) PSMN
- 7.If FROG is written as FNQE, how is MOON written in the same code? (a) NOOM (b) MNNL (c) OPPN (d) LNNM
- 8.If STAR is written as HGZI, how is FISH written in the same code? (a) GJTI (b) TQGR (c) VSIT (d) URHS
- 9.If LION is written as NOIL, how is FROG written in the same code? (a) FNQE (b) GSPH (c) HPSG (d) GORF
- 10.If STAR is written as RATS, how is CAKE written in the same code? (a) DJZB (b) DBLF (c) EKAC (d) FLBD
- 11.If LION is written as NOIL, how is PEN written in the same code? (a) NEP (b) OFQ (c) QFO (d) MDO
- 12.If PARK is written as MTCR, how is BELL written in the same code? (a) JJCZ (b) DGNN (c) LLEB (d) NNGD
- 13.If LAMP is written as PMAL, how is KITE written in the same code? (a) LJUF (b) ETIK (c) DSHJ (d) FUJL
- 14.If BELL is written as CFMM, how is WIND written in the same code? (a) XJOE (b) EOJX (c) YKPF (d) VHMC
- 15.If SUN is written as TVO, how is DOG written in the same code? (a) EPH (b) CNF (c) HPE (d) FQI
- 16.If STAR is written as RATS, how is WIND written in the same code? (a) EOJX (b) XJOE (c) DNIW (d) CMHV
- 17.If MOON is written as NOOM, how is FROG written in the same code? (a) HPSG (b) GSPH (c) GORF (d) FNQE
- 18.If MILK is written as MNKO, how is PEN written in the same code? (a) RGP (b) PGR (c) NEP (d) LCN
- 19.If CAT is written as ECV, how is MOON written in the same code? (a) PRRQ (b) KMML (c) NPPO (d) OQQP
- 20.If CAT is written as UBD, how is PARK written in the same code? (a) JQZO (b) QBSL (c) LSBQ (d) KRAP
- 21.If GOLD is written as IQNF, how is TOYS written in the same code? (a) RMWQ (b) UPZT (c) WRBV (d) VQAU
- 22.If LION is written as NOIL, how is WIND written in the same code? (a) DNIW (b) XJOE (c) CMHV (d) EOJX
- 23.If HAND is written as KDQG, how is MILK written in the same code? (a) JFIH (b) PLON (c) QMPO (d) OKNM
- 24.If MILK is written as KLIM, how is CAT written in the same code? (a) TAC (b) SZB (c) DBU (d) UBD
- 25.If CAKE is written as FLBD, how is GOLD written in the same code? (a) CKNF (b) HPME (c) EMPH (d) DLOG
- 26.If HAND is written as IBOE, how is GOLD written in the same code? (a) FNKC (b) IQNF (c) HPME (d) EMPH
- 27.If BELL is written as LLEB, how is TREE written in the same code? (a) DDQS (b) EERT (c) USFF (d) FFSU
- 28.If COLD is written as EQNF, how is KITE written in the same code? (a) LJUF (b) NLWH (c) MKVG (d) IGRC
- 29.If CAKE is written as BZJD, how is STAR written in the same code? (a) TUBS (b) RSZQ (c) STAR (d) QRYP
- 30.If TOYS is written as SYOT, how is BELL written in the same code? (a) CFMM (b) LLEB (c) MMFC (d) KKDA
- 31.If FROG is written as HTQI, how is COLD written in the same code? (a) FROG (b) DPME (c) EQNF (d) AMJB
- 32.If NEST is written as TSEN, how is HAND written in the same code? (a) EOBI (b) CMZG (c) DNAH (d) IBOE
- 33.If FROG is written as UILT, how is DOG written in the same code? (a) XMU (b) EPH (c) WLT (d) VKS
- 34.If GOLD is written as FNQI, how is HAND written in the same code? (a) JCPF (b) FPCJ (c) BLYF (d) DNAH
- 35.If KITE is written as PRGV, how is MILK written in the same code? (a) NROP (b) MQNO (c) NJML (d) OSPQ
- 36.If KITE is written as ETIK, how is BELL written in the same code? (a) MMFC (b) KKDA (c) LLEB (d) CFMM
- 37.If LION is written as OPJM, how is COLD written in the same code? (a) DPME (b) DLOC (c) EMPD (d) CKNB
- 38.If PEN is written as NEP, how is NEST written in the same code? (a) TSEN (b) SRDM (c) OFTU (d) UTFO
- 39.If PEN is written as KVM, how is DESK written in the same code? (a) WVHP (b) VUGO (c) EFTL (d) XWIQ
- 40.If BOAT is written as TAOB, how is DOG written in the same code? (a) HPE (b) EPH (c) GOD (d) FNC
Answer key
- SZMW
- MURD
- URHS
- WLT
- ANNJ
- ORLM
- MNNL
- URHS
- GORF
- EKAC
- NEP
- NNGD
- ETIK
- XJOE
- EPH
- DNIW
- GORF
- PGR
- OQQP
- LSBQ
- VQAU
- DNIW
- PLON
- TAC
- EMPH
- HPME
- EERT
- MKVG
- RSZQ
- LLEB
- EQNF
- DNAH
- WLT
- FPCJ
- NROP
- LLEB
- EMPD
- TSEN
- WVHP
- GOD
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