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 TREE written in the same code? (a) USFF (b) HJWW (c) FHUU (d) GIVV
- 2.If PEN is written as QFO, how is SHIP written in the same code? (a) TIJQ (b) QJIT (c) UJKR (d) RGHO
- 3.If DESK is written as CDRJ, how is DRUM written in the same code? (a) ESVN (b) DRUM (c) BPSK (d) CQTL
- 4.If JUMP is written as LWOR, how is BALL written in the same code? (a) DCNN (b) CBMM (c) ZYJJ (d) EDOO
- 5.If CAT is written as TAC, how is MILK written in the same code? (a) NJML (b) LMJN (c) KLIM (d) JKHL
- 6.If BELL is written as YVOO, how is CAT written in the same code? (a) YAH (b) XZG (c) WYF (d) DBU
- 7.If DOG is written as WLT, how is MOON written in the same code? (a) MKKL (b) OMMN (c) NPPO (d) NLLM
- 8.If PEN is written as OFQ, how is WIND written in the same code? (a) DNIW (b) XJOE (c) EOJX (d) CMHV
- 9.If STAR is written as RATS, how is PEN written in the same code? (a) QFO (b) OFQ (c) NEP (d) MDO
- 10.If SHIP is written as TIJQ, how is LAMP written in the same code? (a) NCOR (b) QNBM (c) MBNQ (d) KZLO
- 11.If FISH is written as URHS, how is CAT written in the same code? (a) DBU (b) WYF (c) XZG (d) YAH
- 12.If BOOK is written as YLLP, how is PEN written in the same code? (a) LWN (b) QFO (c) KVM (d) JUL
- 13.If LION is written as ORLM, how is FISH written in the same code? (a) VSIT (b) URHS (c) GJTI (d) TQGR
- 14.If WIND is written as XJOE, how is DRUM written in the same code? (a) ESVN (b) NVSE (c) CQTL (d) FTWO
- 15.If KITE is written as FUJL, how is PEN written in the same code? (a) QFO (b) OFQ (c) MDO (d) NEP
- 16.If PEN is written as KVM, how is BOOK written in the same code? (a) CPPL (b) YLLP (c) XKKO (d) ZMMQ
- 17.If LAMP is written as PMAL, how is FROG written in the same code? (a) GSPH (b) GORF (c) FNQE (d) HPSG
- 18.If WIND is written as EOJX, how is BOAT written in the same code? (a) SZNA (b) CPBU (c) TAOB (d) UBPC
- 19.If DRUM is written as OWTF, how is LION written in the same code? (a) PQKN (b) NOIL (c) LMGJ (d) NKQP
- 20.If PEN is written as SHQ, how is DESK written in the same code? (a) HIWO (b) GHVN (c) ABPH (d) FGUM
- 21.If SHIP is written as PIHS, how is FROG written in the same code? (a) GSPH (b) FNQE (c) HPSG (d) GORF
- 22.If BALL is written as LLAB, how is DESK written in the same code? (a) KSED (b) JRDC (c) LTFE (d) EFTL
- 23.If FROG is written as IURJ, how is HAND written in the same code? (a) JCPF (b) LERH (c) EXKA (d) KDQG
- 24.If PARK is written as JQZO, how is NEST written in the same code? (a) MDRS (b) SRDM (c) TSEN (d) UTFO
- 25.If JUMP is written as KVNQ, how is MOON written in the same code? (a) OPPN (b) LNNM (c) OQQP (d) NPPO
- 26.If PARK is written as MTCR, how is CAT written in the same code? (a) TAC (b) ECV (c) RYA (d) VCE
- 27.If SHIP is written as QJIT, how is CAKE written in the same code? (a) DBLF (b) DJZB (c) EKAC (d) FLBD
- 28.If SHIP is written as RKJU, how is STAR written in the same code? (a) UVCT (b) PYRQ (c) RATS (d) TCVU
- 29.If MOON is written as NLLM, how is BOAT written in the same code? (a) XKYF (b) ZMAH (c) CPBU (d) YLZG
- 30.If FROG is written as GORF, how is COLD written in the same code? (a) DLOC (b) DPME (c) EMPD (d) CKNB
- 31.If DRUM is written as OWTF, how is PARK written in the same code? (a) MTCR (b) IPYN (c) RCTM (d) KRAP
- 32.If LAMP is written as JYKN, how is KITE written in the same code? (a) MKVG (b) HFQB (c) IGRC (d) JHSD
- 33.If WIND is written as DRMW, how is BALL written in the same code? (a) ZAPP (b) CBMM (c) YZOO (d) XYNN
- 34.If PARK is written as KRAP, how is BELL written in the same code? (a) LLEB (b) CFMM (c) KKDA (d) MMFC
- 35.If NEST is written as TSEN, how is TREE written in the same code? (a) FFSU (b) DDQS (c) USFF (d) EERT
- 36.If NEST is written as TSEN, how is BELL written in the same code? (a) KKDA (b) LLEB (c) CFMM (d) MMFC
- 37.If NEST is written as SRDM, how is SHIP written in the same code? (a) OHGR (b) QJIT (c) PIHS (d) RGHO
- 38.If DESK is written as LTFE, how is HAND written in the same code? (a) CMZG (b) DNAH (c) EOBI (d) IBOE
- 39.If TOYS is written as SYOT, how is WIND written in the same code? (a) EOJX (b) XJOE (c) CMHV (d) DNIW
- 40.If BALL is written as YZOO, how is BOAT written in the same code? (a) YLZG (b) CPBU (c) XKYF (d) ZMAH
Answer key
- GIVV
- TIJQ
- CQTL
- DCNN
- KLIM
- XZG
- NLLM
- EOJX
- NEP
- MBNQ
- XZG
- KVM
- URHS
- ESVN
- OFQ
- YLLP
- GORF
- UBPC
- PQKN
- GHVN
- GORF
- KSED
- KDQG
- SRDM
- NPPO
- VCE
- FLBD
- TCVU
- YLZG
- DLOC
- MTCR
- IGRC
- YZOO
- LLEB
- EERT
- LLEB
- OHGR
- EOBI
- DNIW
- YLZG
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