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 BOAT is written as UBPC, how is MILK written in the same code? (a) KLIM (b) JKHL (c) LMJN (d) NJML
- 2.If TREE is written as GIVV, how is WIND written in the same code? (a) CQLV (b) XJOE (c) ESNX (d) DRMW
- 3.If BOOK is written as DQQM, how is FISH written in the same code? (a) DGQF (b) GJTI (c) ILVK (d) HKUJ
- 4.If TREE is written as EERT, how is DESK written in the same code? (a) JRDC (b) LTFE (c) KSED (d) EFTL
- 5.If BELL is written as LLEB, how is HAND written in the same code? (a) DNAH (b) CMZG (c) EOBI (d) IBOE
- 6.If HAND is written as EOBI, how is BELL written in the same code? (a) MMFC (b) LLEB (c) CFMM (d) KKDA
- 7.If LION is written as JGML, how is NEST written in the same code? (a) KBPQ (b) PGUV (c) MDRS (d) LCQR
- 8.If LION is written as ORLM, how is KITE written in the same code? (a) PRGV (b) OQFU (c) QSHW (d) LJUF
- 9.If BALL is written as LLAB, how is WIND written in the same code? (a) XJOE (b) EOJX (c) CMHV (d) DNIW
- 10.If JUMP is written as ROWL, how is BOOK written in the same code? (a) DQQM (b) IMMZ (c) MQQD (d) KOOB
- 11.If BELL is written as NNGD, how is TREE written in the same code? (a) EERT (b) CCPR (c) GGTV (d) VTGG
- 12.If GOLD is written as TLOW, how is BALL written in the same code? (a) ZAPP (b) YZOO (c) XYNN (d) CBMM
- 13.If NEST is written as MVHG, how is CAKE written in the same code? (a) DBLF (b) WYOU (c) XZPV (d) YAQW
- 14.If MILK is written as MNKO, how is GOLD written in the same code? (a) DLOG (b) IQNF (c) FNQI (d) BJME
- 15.If SHIP is written as UJKR, how is GOLD written in the same code? (a) EMJB (b) JROG (c) IQNF (d) HPME
- 16.If HAND is written as IBOE, how is DESK written in the same code? (a) CDRJ (b) EFTL (c) FGUM (d) LTFE
- 17.If WIND is written as DRMW, how is BALL written in the same code? (a) YZOO (b) XYNN (c) CBMM (d) ZAPP
- 18.If CAKE is written as XZPV, how is SHIP written in the same code? (a) GRQJ (b) ITSL (c) TIJQ (d) HSRK
- 19.If TOYS is written as TZPU, how is DESK written in the same code? (a) KSED (b) EFTL (c) LTFE (d) JRDC
- 20.If KITE is written as FUJL, how is BELL written in the same code? (a) KKDA (b) MMFC (c) CFMM (d) LLEB
- 21.If DOG is written as FQI, how is SUN written in the same code? (a) UWP (b) VXQ (c) QSL (d) TVO
- 22.If KITE is written as GVKM, how is BALL written in the same code? (a) NNCD (b) LLAB (c) DCNN (d) JJYZ
- 23.If KITE is written as IGRC, how is NEST written in the same code? (a) MDRS (b) PGUV (c) KBPQ (d) LCQR
- 24.If MILK is written as KLIM, how is COLD written in the same code? (a) DLOC (b) CKNB (c) EMPD (d) DPME
- 25.If PEN is written as NEP, how is TREE written in the same code? (a) DDQS (b) FFSU (c) USFF (d) EERT
- 26.If LION is written as ORLM, how is GOLD written in the same code? (a) UMPX (b) TLOW (c) SKNV (d) HPME
- 27.If FROG is written as GORF, how is SHIP written in the same code? (a) TIJQ (b) QJIT (c) PIHS (d) OHGR
- 28.If SHIP is written as HSRK, how is LION written in the same code? (a) NQKL (b) PSMN (c) ORLM (d) MJPO
- 29.If SHIP is written as QFGN, how is PEN written in the same code? (a) MBK (b) ODM (c) RGP (d) NCL
- 30.If SUN is written as RTM, how is COLD written in the same code? (a) DPME (b) COLD (c) AMJB (d) BNKC
- 31.If DRUM is written as MURD, how is JUMP written in the same code? (a) OLTI (b) PMUJ (c) KVNQ (d) QNVK
- 32.If PARK is written as KZIP, how is JUMP written in the same code? (a) QFNK (b) RGOL (c) PEMJ (d) KVNQ
- 33.If LION is written as NOIL, how is BOOK written in the same code? (a) LPPC (b) KOOB (c) CPPL (d) JNNA
- 34.If RAIN is written as IZRM, how is SUN written in the same code? (a) IGN (b) GEL (c) TVO (d) HFM
- 35.If GOLD is written as TLOW, how is BELL written in the same code? (a) YVOO (b) CFMM (c) XUNN (d) ZWPP
- 36.If SUN is written as PWU, how is BOOK written in the same code? (a) DQQM (b) IMMZ (c) MQQD (d) KOOB
- 37.If LION is written as MNHK, how is MILK written in the same code? (a) JKHL (b) LMJN (c) KLIM (d) LHKJ
- 38.If DRUM is written as BPSK, how is PARK written in the same code? (a) MXOH (b) NYPI (c) OZQJ (d) RCTM
- 39.If GOLD is written as JROG, how is BALL written in the same code? (a) YXII (b) FEPP (c) EDOO (d) DCNN
- 40.If CAT is written as DBU, how is LAMP written in the same code? (a) KZLO (b) MBNQ (c) QNBM (d) NCOR
Answer key
- LMJN
- DRMW
- HKUJ
- KSED
- DNAH
- MMFC
- LCQR
- PRGV
- DNIW
- MQQD
- GGTV
- YZOO
- XZPV
- FNQI
- IQNF
- EFTL
- YZOO
- HSRK
- LTFE
- MMFC
- UWP
- NNCD
- LCQR
- DLOC
- EERT
- TLOW
- PIHS
- ORLM
- NCL
- BNKC
- PMUJ
- QFNK
- KOOB
- HFM
- YVOO
- MQQD
- JKHL
- NYPI
- EDOO
- MBNQ
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