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 SHIP is written as UJKR, how is LION written in the same code? (a) MJPO (b) OLRQ (c) JGML (d) NKQP
- 2.If LAMP is written as ROCN, how is BELL written in the same code? (a) LLEB (b) JJCZ (c) NNGD (d) DGNN
- 3.If SHIP is written as PIHS, how is MILK written in the same code? (a) LMJN (b) KLIM (c) NJML (d) JKHL
- 4.If CAT is written as SZB, how is BALL written in the same code? (a) AZKK (b) LLAB (c) MMBC (d) KKZA
- 5.If KITE is written as PRGV, how is TOYS written in the same code? (a) FKAG (b) HMCI (c) GLBH (d) UPZT
- 6.If BOAT is written as ERDW, how is TOYS written in the same code? (a) QLVP (b) XSCW (c) WRBV (d) VQAU
- 7.If HAND is written as FYLB, how is RAIN written in the same code? (a) QZHM (b) OXFK (c) TCKP (d) PYGL
- 8.If KITE is written as PRGV, how is PARK written in the same code? (a) LAJQ (b) QBSL (c) KZIP (d) JYHO
- 9.If DOG is written as FNC, how is FROG written in the same code? (a) FNQE (b) EQNF (c) HPSG (d) GORF
- 10.If WIND is written as DNIW, how is DESK written in the same code? (a) LTFE (b) KSED (c) JRDC (d) EFTL
- 11.If DESK is written as KSED, how is STAR written in the same code? (a) RATS (b) QZSR (c) SBUT (d) TUBS
- 12.If NEST is written as PGUV, how is CAKE written in the same code? (a) ECMG (b) FDNH (c) AYIC (d) DBLF
- 13.If NEST is written as QHVW, how is WIND written in the same code? (a) TFKA (b) YKPF (c) ZLQG (d) AMRH
- 14.If NEST is written as MVHG, how is LAMP written in the same code? (a) NYMJ (b) OZNK (c) MBNQ (d) PAOL
- 15.If DOG is written as GOD, how is BELL written in the same code? (a) CFMM (b) KKDA (c) LLEB (d) MMFC
- 16.If MILK is written as KLIM, how is HAND written in the same code? (a) IBOE (b) DNAH (c) EOBI (d) CMZG
- 17.If NEST is written as MVHG, how is PEN written in the same code? (a) LWN (b) KVM (c) QFO (d) JUL
- 18.If BELL is written as NNGD, how is COLD written in the same code? (a) BJMA (b) EQNF (c) FNQE (d) DLOC
- 19.If WIND is written as DRMW, how is SHIP written in the same code? (a) HSRK (b) GRQJ (c) TIJQ (d) ITSL
- 20.If CAKE is written as EKAC, how is COLD written in the same code? (a) DLOC (b) CKNB (c) DPME (d) EMPD
- 21.If PARK is written as MTCR, how is MILK written in the same code? (a) OKNM (b) IJGK (c) MNKO (d) KLIM
- 22.If FISH is written as URHS, how is BELL written in the same code? (a) XUNN (b) ZWPP (c) CFMM (d) YVOO
- 23.If LAMP is written as PMAL, how is BELL written in the same code? (a) MMFC (b) LLEB (c) CFMM (d) KKDA
- 24.If RAIN is written as MHZQ, how is LION written in the same code? (a) NOIL (b) KHNM (c) OPJM (d) MNHK
- 25.If COLD is written as DLOC, how is KITE written in the same code? (a) ETIK (b) LJUF (c) FUJL (d) DSHJ
- 26.If KITE is written as JHSD, how is COLD written in the same code? (a) AMJB (b) BNKC (c) DPME (d) COLD
- 27.If PEN is written as NCL, how is CAKE written in the same code? (a) BZJD (b) ZXHB (c) ECMG (d) AYIC
- 28.If BOOK is written as YLLP, how is MILK written in the same code? (a) NJML (b) OSPQ (c) NROP (d) MQNO
- 29.If GOLD is written as EMJB, how is LION written in the same code? (a) IFLK (b) KHNM (c) NKQP (d) JGML
- 30.If CAT is written as FDW, how is TOYS written in the same code? (a) XSCW (b) VQAU (c) WRBV (d) QLVP
- 31.If DESK is written as JRDC, how is MILK written in the same code? (a) LHKJ (b) JKHL (c) KLIM (d) LMJN
- 32.If PARK is written as RCTM, how is SUN written in the same code? (a) QSL (b) TVO (c) VXQ (d) UWP
- 33.If CAT is written as VCE, how is LAMP written in the same code? (a) NCOR (b) ROCN (c) NKYJ (d) PMAL
- 34.If JUMP is written as MXPS, how is COLD written in the same code? (a) EQNF (b) FROG (c) GSPH (d) ZLIA
- 35.If JUMP is written as QFNK, how is RAIN written in the same code? (a) IZRM (b) JASN (c) SBJO (d) HYQL
- 36.If KITE is written as FUJL, how is DRUM written in the same code? (a) ESVN (b) MURD (c) LTQC (d) NVSE
- 37.If BOAT is written as ZMYR, how is RAIN written in the same code? (a) TCKP (b) QZHM (c) OXFK (d) PYGL
- 38.If BOOK is written as ZMMI, how is GOLD written in the same code? (a) FNKC (b) DLIA (c) EMJB (d) IQNF
- 39.If BOAT is written as TAOB, how is CAT written in the same code? (a) UBD (b) TAC (c) DBU (d) SZB
- 40.If NEST is written as OFTU, how is PARK written in the same code? (a) RCTM (b) LSBQ (c) OZQJ (d) QBSL
Answer key
- NKQP
- NNGD
- KLIM
- KKZA
- GLBH
- WRBV
- PYGL
- KZIP
- FNQE
- KSED
- RATS
- ECMG
- ZLQG
- OZNK
- LLEB
- DNAH
- KVM
- FNQE
- HSRK
- DLOC
- MNKO
- YVOO
- LLEB
- MNHK
- ETIK
- BNKC
- AYIC
- NROP
- JGML
- WRBV
- JKHL
- UWP
- ROCN
- FROG
- IZRM
- NVSE
- PYGL
- EMJB
- TAC
- QBSL
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