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 CBMM, how is SHIP written in the same code? (a) RGHO (b) UJKR (c) TIJQ (d) QJIT
- 2.If SUN is written as HFM, how is TREE written in the same code? (a) USFF (b) GIVV (c) FHUU (d) HJWW
- 3.If HAND is written as JCPF, how is BELL written in the same code? (a) CFMM (b) ZCJJ (c) DGNN (d) EHOO
- 4.If JUMP is written as QFNK, how is HAND written in the same code? (a) TANX (b) RYLV (c) SZMW (d) IBOE
- 5.If TREE is written as FFSU, how is MILK written in the same code? (a) JKHL (b) LMJN (c) KLIM (d) NJML
- 6.If RAIN is written as IZRM, how is BELL written in the same code? (a) ZWPP (b) XUNN (c) CFMM (d) YVOO
- 7.If PARK is written as MTCR, how is BALL written in the same code? (a) JJYZ (b) DCNN (c) NNCD (d) LLAB
- 8.If FROG is written as IQTH, how is BELL written in the same code? (a) LLEB (b) JJCZ (c) DGNN (d) NNGD
- 9.If SHIP is written as QJIT, how is BOAT written in the same code? (a) CPBU (b) TAOB (c) SZNA (d) UBPC
- 10.If BOAT is written as TAOB, how is WIND written in the same code? (a) CMHV (b) XJOE (c) EOJX (d) DNIW
- 11.If MILK is written as KLIM, how is CAT written in the same code? (a) UBD (b) SZB (c) TAC (d) DBU
- 12.If PEN is written as PGR, how is KITE written in the same code? (a) CRGI (b) GVKM (c) MKVG (d) ETIK
- 13.If TREE is written as GIVV, how is GOLD written in the same code? (a) UMPX (b) SKNV (c) HPME (d) TLOW
- 14.If HAND is written as GZMC, how is PARK written in the same code? (a) QBSL (b) PARK (c) OZQJ (d) NYPI
- 15.If MOON is written as NLLM, how is LAMP written in the same code? (a) OZNK (b) PAOL (c) NYMJ (d) MBNQ
- 16.If COLD is written as XLOW, how is BALL written in the same code? (a) YZOO (b) XYNN (c) CBMM (d) ZAPP
- 17.If RAIN is written as NIAR, how is GOLD written in the same code? (a) DLOG (b) CKNF (c) HPME (d) EMPH
- 18.If PEN is written as KVM, how is BOOK written in the same code? (a) XKKO (b) ZMMQ (c) CPPL (d) YLLP
- 19.If FISH is written as ILVK, how is KITE written in the same code? (a) OMXI (b) NLWH (c) MKVG (d) HFQB
- 20.If FROG is written as GORF, how is BELL written in the same code? (a) MMFC (b) CFMM (c) KKDA (d) LLEB
- 21.If KITE is written as FUJL, how is PEN written in the same code? (a) QFO (b) MDO (c) OFQ (d) NEP
- 22.If FISH is written as DGQF, how is FROG written in the same code? (a) COLD (b) DPME (c) EQNF (d) HTQI
- 23.If JUMP is written as PMUJ, how is BOOK written in the same code? (a) CPPL (b) KOOB (c) JNNA (d) LPPC
- 24.If CAT is written as UBD, how is DESK written in the same code? (a) LTFE (b) JRDC (c) KSED (d) EFTL
- 25.If SUN is written as HFM, how is RAIN written in the same code? (a) HYQL (b) SBJO (c) JASN (d) IZRM
- 26.If GOLD is written as DLOG, how is KITE written in the same code? (a) LJUF (b) DSHJ (c) FUJL (d) ETIK
- 27.If LION is written as MJPO, how is SHIP written in the same code? (a) RGHO (b) UJKR (c) QJIT (d) TIJQ
- 28.If BOAT is written as UBPC, how is BOOK written in the same code? (a) CPPL (b) JNNA (c) KOOB (d) LPPC
- 29.If WIND is written as UGLB, how is LAMP written in the same code? (a) KZLO (b) JYKN (c) IXJM (d) NCOR
- 30.If SHIP is written as TIJQ, how is RAIN written in the same code? (a) OJBS (b) QZHM (c) TCKP (d) SBJO
- 31.If BOAT is written as YLZG, how is MILK written in the same code? (a) NJML (b) NROP (c) MQNO (d) OSPQ
- 32.If BALL is written as AZKK, how is BELL written in the same code? (a) ADKK (b) CFMM (c) ZCJJ (d) BELL
- 33.If MOON is written as NLLM, how is FISH written in the same code? (a) URHS (b) TQGR (c) VSIT (d) GJTI
- 34.If JUMP is written as KVNQ, how is TOYS written in the same code? (a) TZPU (b) UPZT (c) SNXR (d) VQAU
- 35.If BALL is written as MMBC, how is DRUM written in the same code? (a) MURD (b) LTQC (c) NVSE (d) ESVN
- 36.If PEN is written as KVM, how is BALL written in the same code? (a) ZAPP (b) CBMM (c) XYNN (d) YZOO
- 37.If MILK is written as JKHL, how is PARK written in the same code? (a) LSBQ (b) OZQJ (c) KRAP (d) JQZO
- 38.If MOON is written as NOOM, how is PARK written in the same code? (a) JQZO (b) KRAP (c) QBSL (d) LSBQ
- 39.If PARK is written as MTCR, how is TREE written in the same code? (a) EERT (b) CCPR (c) GGTV (d) VTGG
- 40.If FROG is written as GORF, how is PARK written in the same code? (a) JQZO (b) LSBQ (c) QBSL (d) KRAP
Answer key
- TIJQ
- GIVV
- DGNN
- SZMW
- LMJN
- YVOO
- NNCD
- NNGD
- UBPC
- DNIW
- TAC
- GVKM
- TLOW
- OZQJ
- OZNK
- YZOO
- DLOG
- YLLP
- NLWH
- LLEB
- OFQ
- DPME
- KOOB
- LTFE
- IZRM
- ETIK
- TIJQ
- LPPC
- JYKN
- SBJO
- NROP
- ADKK
- URHS
- UPZT
- NVSE
- YZOO
- JQZO
- KRAP
- GGTV
- KRAP
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