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 COLD is written as DLOC, how is TREE written in the same code? (a) EERT (b) USFF (c) DDQS (d) FFSU
- 2.If CAKE is written as FDNH, how is TOYS written in the same code? (a) QLVP (b) WRBV (c) XSCW (d) VQAU
- 3.If BELL is written as LLEB, how is NEST written in the same code? (a) TSEN (b) UTFO (c) SRDM (d) OFTU
- 4.If PEN is written as OFQ, how is TREE written in the same code? (a) EERT (b) USFF (c) DDQS (d) FFSU
- 5.If KITE is written as LJUF, how is DRUM written in the same code? (a) NVSE (b) CQTL (c) FTWO (d) ESVN
- 6.If LAMP is written as PMAL, how is CAT written in the same code? (a) UBD (b) DBU (c) SZB (d) TAC
- 7.If DESK is written as BCQI, how is PEN written in the same code? (a) ODM (b) MBK (c) NCL (d) RGP
- 8.If SHIP is written as PIHS, how is KITE written in the same code? (a) LJUF (b) FUJL (c) ETIK (d) DSHJ
- 9.If BELL is written as CFMM, how is DRUM written in the same code? (a) ESVN (b) CQTL (c) FTWO (d) NVSE
- 10.If LAMP is written as PMAL, how is COLD written in the same code? (a) CKNB (b) DPME (c) EMPD (d) DLOC
- 11.If MILK is written as MNKO, how is BALL written in the same code? (a) LLAB (b) DCNN (c) JJYZ (d) NNCD
- 12.If DOG is written as HPE, how is JUMP written in the same code? (a) KVNQ (b) QNVK (c) PMUJ (d) OLTI
- 13.If PARK is written as KZIP, how is HAND written in the same code? (a) TANX (b) IBOE (c) RYLV (d) SZMW
- 14.If CAT is written as XZG, how is MILK written in the same code? (a) NJML (b) NROP (c) MQNO (d) OSPQ
- 15.If BELL is written as YVOO, how is STAR written in the same code? (a) GFYH (b) IHAJ (c) HGZI (d) TUBS
- 16.If JUMP is written as QFNK, how is WIND written in the same code? (a) ESNX (b) CQLV (c) DRMW (d) XJOE
- 17.If TOYS is written as SYOT, how is BOAT written in the same code? (a) UBPC (b) CPBU (c) SZNA (d) TAOB
- 18.If DRUM is written as NVSE, how is KITE written in the same code? (a) ETIK (b) DSHJ (c) FUJL (d) LJUF
- 19.If TOYS is written as SYOT, how is HAND written in the same code? (a) IBOE (b) EOBI (c) DNAH (d) CMZG
- 20.If DOG is written as GOD, how is SHIP written in the same code? (a) QJIT (b) TIJQ (c) OHGR (d) PIHS
- 21.If HAND is written as FYLB, how is BELL written in the same code? (a) DGNN (b) ADKK (c) YBII (d) ZCJJ
- 22.If MOON is written as NLLM, how is FROG written in the same code? (a) UILT (b) THKS (c) VJMU (d) GSPH
- 23.If NEST is written as TSEN, how is DRUM written in the same code? (a) LTQC (b) ESVN (c) MURD (d) NVSE
- 24.If MILK is written as KLIM, how is DESK written in the same code? (a) LTFE (b) EFTL (c) KSED (d) JRDC
- 25.If MOON is written as KMML, how is MILK written in the same code? (a) LHKJ (b) JFIH (c) OKNM (d) KGJI
- 26.If PEN is written as KVM, how is DRUM written in the same code? (a) XJGO (b) VHEM (c) ESVN (d) WIFN
- 27.If HAND is written as DNAH, how is SUN written in the same code? (a) NUS (b) OVT (c) MTR (d) TVO
- 28.If KITE is written as NLWH, how is BOAT written in the same code? (a) FSEX (b) DQCV (c) ERDW (d) YLXQ
- 29.If NEST is written as MDRS, how is STAR written in the same code? (a) TUBS (b) QRYP (c) STAR (d) RSZQ
- 30.If HAND is written as SZMW, how is MILK written in the same code? (a) MQNO (b) NJML (c) OSPQ (d) NROP
- 31.If GOLD is written as EMPH, how is JUMP written in the same code? (a) PMUJ (b) KVNQ (c) QNVK (d) OLTI
- 32.If RAIN is written as IZRM, how is COLD written in the same code? (a) WKNV (b) XLOW (c) YMPX (d) DPME
- 33.If HAND is written as FPCJ, how is SUN written in the same code? (a) LSQ (b) UWP (c) NUS (d) PWU
- 34.If SHIP is written as QFGN, how is STAR written in the same code? (a) RSZQ (b) QRYP (c) PQXO (d) UVCT
- 35.If BOOK is written as JNNA, how is WIND written in the same code? (a) CMHV (b) EOJX (c) VHMC (d) DNIW
- 36.If STAR is written as HGZI, how is FISH written in the same code? (a) GJTI (b) URHS (c) TQGR (d) VSIT
- 37.If BOOK is written as KOOB, how is MOON written in the same code? (a) NOOM (b) NPPO (c) MNNL (d) OPPN
- 38.If SUN is written as NUS, how is PEN written in the same code? (a) OFQ (b) MDO (c) NEP (d) QFO
- 39.If HAND is written as KDQG, how is LION written in the same code? (a) IFLK (b) OLRQ (c) PMSR (d) NKQP
- 40.If COLD is written as AMJB, how is BOAT written in the same code? (a) ZMYR (b) DQCV (c) ANZS (d) YLXQ
Answer key
- EERT
- WRBV
- TSEN
- FFSU
- ESVN
- TAC
- NCL
- ETIK
- ESVN
- DLOC
- NNCD
- QNVK
- SZMW
- NROP
- HGZI
- DRMW
- TAOB
- FUJL
- DNAH
- PIHS
- ZCJJ
- UILT
- MURD
- KSED
- KGJI
- WIFN
- NUS
- ERDW
- RSZQ
- NROP
- QNVK
- XLOW
- PWU
- QRYP
- CMHV
- URHS
- NOOM
- NEP
- OLRQ
- ZMYR
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