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 FROG is written as UILT, how is STAR written in the same code? (a) TUBS (b) HGZI (c) GFYH (d) IHAJ
- 2.If DOG is written as GOD, how is DESK written in the same code? (a) EFTL (b) JRDC (c) LTFE (d) KSED
- 3.If DOG is written as GRJ, how is CAT written in the same code? (a) ZXQ (b) ECV (c) FDW (d) GEX
- 4.If NEST is written as OFTU, how is TOYS written in the same code? (a) VQAU (b) UPZT (c) SNXR (d) TZPU
- 5.If RAIN is written as NIAR, how is TREE written in the same code? (a) USFF (b) EERT (c) FFSU (d) DDQS
- 6.If MOON is written as NLLM, how is TOYS written in the same code? (a) HMCI (b) UPZT (c) FKAG (d) GLBH
- 7.If BALL is written as LLAB, how is HAND written in the same code? (a) EOBI (b) CMZG (c) IBOE (d) DNAH
- 8.If HAND is written as FYLB, how is SUN written in the same code? (a) PRK (b) UWP (c) RTM (d) QSL
- 9.If HAND is written as IBOE, how is BOAT written in the same code? (a) UBPC (b) DQCV (c) CPBU (d) ANZS
- 10.If DOG is written as GOD, how is BELL written in the same code? (a) CFMM (b) KKDA (c) LLEB (d) MMFC
- 11.If RAIN is written as MHZQ, how is MILK written in the same code? (a) LHKJ (b) JKHL (c) LMJN (d) KLIM
- 12.If SUN is written as VXQ, how is JUMP written in the same code? (a) GRJM (b) LWOR (c) NYQT (d) MXPS
- 13.If BOOK is written as CPPL, how is STAR written in the same code? (a) TUBS (b) SBUT (c) UVCT (d) RSZQ
- 14.If RAIN is written as PKCT, how is DESK written in the same code? (a) KSED (b) FGUM (c) MUGF (d) IQCB
- 15.If RAIN is written as TCKP, how is MOON written in the same code? (a) NPPO (b) PRRQ (c) OQQP (d) KMML
- 16.If COLD is written as XLOW, how is PEN written in the same code? (a) QFO (b) JUL (c) LWN (d) KVM
- 17.If RAIN is written as PYGL, how is FISH written in the same code? (a) CFPE (b) DGQF (c) EHRG (d) HKUJ
- 18.If FROG is written as DPME, how is CAKE written in the same code? (a) BZJD (b) AYIC (c) ZXHB (d) ECMG
- 19.If MILK is written as OKNM, how is WIND written in the same code? (a) XJOE (b) UGLB (c) YKPF (d) ZLQG
- 20.If PARK is written as KRAP, how is HAND written in the same code? (a) CMZG (b) IBOE (c) DNAH (d) EOBI
- 21.If SUN is written as OVT, how is FROG written in the same code? (a) GSPH (b) HPSG (c) FNQE (d) GORF
- 22.If PARK is written as KZIP, how is LION written in the same code? (a) NQKL (b) MJPO (c) PSMN (d) ORLM
- 23.If BALL is written as KKZA, how is JUMP written in the same code? (a) PMUJ (b) ITLO (c) OLTI (d) QNVK
- 24.If JUMP is written as QFNK, how is DOG written in the same code? (a) VKS (b) WLT (c) XMU (d) EPH
- 25.If GOLD is written as EMPH, how is BALL written in the same code? (a) KKZA (b) LLAB (c) CBMM (d) MMBC
- 26.If JUMP is written as KVNQ, how is TOYS written in the same code? (a) SNXR (b) UPZT (c) VQAU (d) TZPU
- 27.If RAIN is written as QZHM, how is DRUM written in the same code? (a) CQTL (b) ESVN (c) BPSK (d) DRUM
- 28.If DRUM is written as LTQC, how is HAND written in the same code? (a) GZMC (b) CMZG (c) EOBI (d) DNAH
- 29.If FISH is written as HSIF, how is CAKE written in the same code? (a) EKAC (b) DBLF (c) FLBD (d) DJZB
- 30.If SHIP is written as VKLS, how is RAIN written in the same code? (a) TCKP (b) UDLQ (c) OXFK (d) VEMR
- 31.If LAMP is written as OZNK, how is SUN written in the same code? (a) GEL (b) TVO (c) IGN (d) HFM
- 32.If FISH is written as EHRG, how is RAIN written in the same code? (a) QZHM (b) RAIN (c) PYGL (d) SBJO
- 33.If RAIN is written as UDLQ, how is CAKE written in the same code? (a) FDNH (b) ZXHB (c) ECMG (d) GEOI
- 34.If GOLD is written as FNKC, how is COLD written in the same code? (a) AMJB (b) DPME (c) COLD (d) BNKC
- 35.If DOG is written as FQI, how is NEST written in the same code? (a) PGUV (b) LCQR (c) QHVW (d) OFTU
- 36.If LION is written as JGML, how is MOON written in the same code? (a) OQQP (b) KMML (c) JLLK (d) LNNM
- 37.If FROG is written as FNQE, how is HAND written in the same code? (a) GZMC (b) CMZG (c) EOBI (d) DNAH
- 38.If RAIN is written as MHZQ, how is KITE written in the same code? (a) JHSD (b) DSHJ (c) FUJL (d) ETIK
- 39.If STAR is written as QZSR, how is LAMP written in the same code? (a) QNBM (b) OLZK (c) KZLO (d) PMAL
- 40.If KITE is written as PRGV, how is COLD written in the same code? (a) DPME (b) XLOW (c) WKNV (d) YMPX
Answer key
- HGZI
- KSED
- FDW
- UPZT
- EERT
- GLBH
- DNAH
- QSL
- CPBU
- LLEB
- JKHL
- MXPS
- TUBS
- MUGF
- OQQP
- KVM
- DGQF
- AYIC
- YKPF
- DNAH
- HPSG
- ORLM
- OLTI
- WLT
- MMBC
- UPZT
- CQTL
- CMZG
- EKAC
- UDLQ
- HFM
- QZHM
- FDNH
- BNKC
- PGUV
- KMML
- CMZG
- DSHJ
- OLZK
- XLOW
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