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 TREE is written as FFSU, how is COLD written in the same code? (a) DLOC (b) CKNB (c) DPME (d) EMPD
- 2.If LION is written as ORLM, how is BALL written in the same code? (a) YZOO (b) ZAPP (c) CBMM (d) XYNN
- 3.If TOYS is written as GLBH, how is PARK written in the same code? (a) KZIP (b) JYHO (c) QBSL (d) LAJQ
- 4.If FISH is written as HSIF, how is LION written in the same code? (a) MJPO (b) OPJM (c) NOIL (d) MNHK
- 5.If TOYS is written as WRBV, how is CAKE written in the same code? (a) ZXHB (b) FDNH (c) GEOI (d) ECMG
- 6.If JUMP is written as PMUJ, how is BOOK written in the same code? (a) CPPL (b) LPPC (c) KOOB (d) JNNA
- 7.If BELL is written as KKDA, how is LION written in the same code? (a) KHNM (b) NOIL (c) OPJM (d) MNHK
- 8.If JUMP is written as ITLO, how is HAND written in the same code? (a) FYLB (b) GZMC (c) HAND (d) IBOE
- 9.If JUMP is written as MXPS, how is LION written in the same code? (a) IFLK (b) NKQP (c) PMSR (d) OLRQ
- 10.If KITE is written as FUJL, how is DESK written in the same code? (a) EFTL (b) JRDC (c) KSED (d) LTFE
- 11.If JUMP is written as OLTI, how is STAR written in the same code? (a) SBUT (b) RSZQ (c) QZSR (d) RATS
- 12.If CAKE is written as DJZB, how is BELL written in the same code? (a) LLEB (b) ADKK (c) MMFC (d) KKDA
- 13.If FISH is written as URHS, how is NEST written in the same code? (a) LUGF (b) OFTU (c) MVHG (d) NWIH
- 14.If BALL is written as NNCD, how is TREE written in the same code? (a) VTGG (b) CCPR (c) GGTV (d) EERT
- 15.If CAT is written as TAC, how is BALL written in the same code? (a) CBMM (b) LLAB (c) MMBC (d) KKZA
- 16.If SHIP is written as HSRK, how is TOYS written in the same code? (a) FKAG (b) HMCI (c) GLBH (d) UPZT
- 17.If DRUM is written as GUXP, how is KITE written in the same code? (a) NLWH (b) HFQB (c) MKVG (d) OMXI
- 18.If COLD is written as XLOW, how is DRUM written in the same code? (a) ESVN (b) XJGO (c) VHEM (d) WIFN
- 19.If PARK is written as LSBQ, how is LAMP written in the same code? (a) OLZK (b) PMAL (c) QNBM (d) MBNQ
- 20.If PEN is written as NEP, how is DOG written in the same code? (a) FNC (b) EPH (c) HPE (d) GOD
- 21.If KITE is written as ETIK, how is FROG written in the same code? (a) HPSG (b) GORF (c) GSPH (d) FNQE
- 22.If DOG is written as GOD, how is LAMP written in the same code? (a) OLZK (b) MBNQ (c) QNBM (d) PMAL
- 23.If BOOK is written as CPPL, how is TOYS written in the same code? (a) SNXR (b) TZPU (c) VQAU (d) UPZT
- 24.If LION is written as KHNM, how is GOLD written in the same code? (a) FNKC (b) EMJB (c) GOLD (d) HPME
- 25.If CAT is written as AYR, how is BOAT written in the same code? (a) DQCV (b) ANZS (c) ZMYR (d) YLXQ
- 26.If FISH is written as URHS, how is RAIN written in the same code? (a) IZRM (b) SBJO (c) HYQL (d) JASN
- 27.If DOG is written as WLT, how is BOOK written in the same code? (a) YLLP (b) ZMMQ (c) XKKO (d) CPPL
- 28.If BOOK is written as KOOB, how is DOG written in the same code? (a) GOD (b) FNC (c) EPH (d) HPE
- 29.If JUMP is written as HSKN, how is BELL written in the same code? (a) YBII (b) ZCJJ (c) ADKK (d) DGNN
- 30.If MILK is written as NROP, how is DOG written in the same code? (a) XMU (b) VKS (c) EPH (d) WLT
- 31.If MILK is written as LMJN, how is DRUM written in the same code? (a) LTQC (b) NVSE (c) ESVN (d) MURD
- 32.If BOAT is written as TAOB, how is BELL written in the same code? (a) KKDA (b) MMFC (c) CFMM (d) LLEB
- 33.If PARK is written as RCTM, how is SHIP written in the same code? (a) TIJQ (b) VKLS (c) QFGN (d) UJKR
- 34.If SUN is written as HFM, how is MILK written in the same code? (a) NJML (b) MQNO (c) OSPQ (d) NROP
- 35.If SHIP is written as VKLS, how is DOG written in the same code? (a) ALD (b) FQI (c) GRJ (d) HSK
- 36.If GOLD is written as TLOW, how is BOAT written in the same code? (a) ZMAH (b) YLZG (c) CPBU (d) XKYF
- 37.If FROG is written as UILT, how is PEN written in the same code? (a) JUL (b) LWN (c) QFO (d) KVM
- 38.If BOAT is written as SZNA, how is SHIP written in the same code? (a) QJIT (b) RGHO (c) PIHS (d) OHGR
- 39.If CAT is written as SZB, how is CAKE written in the same code? (a) DJZB (b) FLBD (c) EKAC (d) BZJD
- 40.If BELL is written as CFMM, how is LAMP written in the same code? (a) MBNQ (b) QNBM (c) KZLO (d) NCOR
Answer key
- EMPD
- YZOO
- KZIP
- NOIL
- FDNH
- KOOB
- MNHK
- GZMC
- OLRQ
- LTFE
- QZSR
- KKDA
- MVHG
- GGTV
- LLAB
- GLBH
- NLWH
- WIFN
- QNBM
- GOD
- GORF
- PMAL
- UPZT
- FNKC
- ZMYR
- IZRM
- YLLP
- GOD
- ZCJJ
- WLT
- NVSE
- LLEB
- UJKR
- NROP
- GRJ
- YLZG
- KVM
- OHGR
- DJZB
- MBNQ
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