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 RAIN is written as OJBS, how is LION written in the same code? (a) MNHK (b) MJPO (c) NOIL (d) OPJM
- 2.If MILK is written as JKHL, how is BALL written in the same code? (a) AZKK (b) LLAB (c) MMBC (d) KKZA
- 3.If PARK is written as KRAP, how is MOON written in the same code? (a) NPPO (b) NOOM (c) MNNL (d) OPPN
- 4.If BALL is written as YZOO, how is COLD written in the same code? (a) WKNV (b) DPME (c) YMPX (d) XLOW
- 5.If COLD is written as XLOW, how is HAND written in the same code? (a) IBOE (b) SZMW (c) TANX (d) RYLV
- 6.If BELL is written as DGNN, how is LION written in the same code? (a) OLRQ (b) MJPO (c) NKQP (d) JGML
- 7.If KITE is written as MKVG, how is FROG written in the same code? (a) HTQI (b) IURJ (c) DPME (d) GSPH
- 8.If WIND is written as UGLB, how is TOYS written in the same code? (a) SNXR (b) RMWQ (c) VQAU (d) QLVP
- 9.If CAT is written as BZS, how is MILK written in the same code? (a) NJML (b) KGJI (c) MILK (d) LHKJ
- 10.If BALL is written as ZYJJ, how is CAT written in the same code? (a) ECV (b) ZXQ (c) AYR (d) BZS
- 11.If FISH is written as HSIF, how is LION written in the same code? (a) MNHK (b) OPJM (c) NOIL (d) MJPO
- 12.If DOG is written as WLT, how is FROG written in the same code? (a) UILT (b) THKS (c) GSPH (d) VJMU
- 13.If GOLD is written as FNQI, how is KITE written in the same code? (a) CRGI (b) GVKM (c) MKVG (d) ETIK
- 14.If WIND is written as DNIW, how is FISH written in the same code? (a) GJTI (b) ITJG (c) GRHE (d) HSIF
- 15.If COLD is written as DLOC, how is TREE written in the same code? (a) EERT (b) USFF (c) DDQS (d) FFSU
- 16.If SUN is written as TVO, how is LION written in the same code? (a) KHNM (b) OPJM (c) NKQP (d) MJPO
- 17.If BOOK is written as LPPC, how is GOLD written in the same code? (a) EMPH (b) HPME (c) DLOG (d) CKNF
- 18.If SUN is written as HFM, how is CAKE written in the same code? (a) YAQW (b) WYOU (c) XZPV (d) DBLF
- 19.If NEST is written as QHVW, how is GOLD written in the same code? (a) DLIA (b) JROG (c) KSPH (d) IQNF
- 20.If KITE is written as ETIK, how is TREE written in the same code? (a) DDQS (b) FFSU (c) EERT (d) USFF
- 21.If TREE is written as VTGG, how is CAKE written in the same code? (a) FDNH (b) ECMG (c) AYIC (d) DBLF
- 22.If DESK is written as GHVN, how is SUN written in the same code? (a) VXQ (b) UWP (c) WYR (d) PRK
- 23.If NEST is written as UTFO, how is CAT written in the same code? (a) TAC (b) DBU (c) UBD (d) SZB
- 24.If HAND is written as KDQG, how is CAKE written in the same code? (a) ECMG (b) ZXHB (c) GEOI (d) FDNH
- 25.If SUN is written as HFM, how is LION written in the same code? (a) MJPO (b) ORLM (c) NQKL (d) PSMN
- 26.If HAND is written as DNAH, how is PARK written in the same code? (a) QBSL (b) LSBQ (c) KRAP (d) JQZO
- 27.If LAMP is written as ROCN, how is PEN written in the same code? (a) PGR (b) LCN (c) NEP (d) RGP
- 28.If MILK is written as KLIM, how is RAIN written in the same code? (a) NIAR (b) MHZQ (c) SBJO (d) OJBS
- 29.If BOAT is written as ANZS, how is KITE written in the same code? (a) KITE (b) IGRC (c) LJUF (d) JHSD
- 30.If DESK is written as GHVN, how is DOG written in the same code? (a) GRJ (b) FQI (c) HSK (d) ALD
- 31.If HAND is written as KDQG, how is STAR written in the same code? (a) VWDU (b) PQXO (c) UVCT (d) WXEV
- 32.If DESK is written as WVHP, how is TOYS written in the same code? (a) GLBH (b) UPZT (c) FKAG (d) HMCI
- 33.If DRUM is written as OWTF, how is NEST written in the same code? (a) VUGP (b) TSEN (c) PGUV (d) RQCL
- 34.If SUN is written as NUS, how is KITE written in the same code? (a) FUJL (b) ETIK (c) LJUF (d) DSHJ
- 35.If BOAT is written as SZNA, how is RAIN written in the same code? (a) OJBS (b) NIAR (c) QZHM (d) MHZQ
- 36.If DRUM is written as BPSK, how is DESK written in the same code? (a) CDRJ (b) ABPH (c) BCQI (d) FGUM
- 37.If PEN is written as KVM, how is FISH written in the same code? (a) VSIT (b) URHS (c) TQGR (d) GJTI
- 38.If WIND is written as DRMW, how is CAT written in the same code? (a) XZG (b) DBU (c) WYF (d) YAH
- 39.If SUN is written as HFM, how is BALL written in the same code? (a) ZAPP (b) CBMM (c) YZOO (d) XYNN
- 40.If FROG is written as UILT, how is MOON written in the same code? (a) OMMN (b) MKKL (c) NPPO (d) NLLM
Answer key
- OPJM
- KKZA
- NOOM
- XLOW
- SZMW
- NKQP
- HTQI
- RMWQ
- LHKJ
- AYR
- NOIL
- UILT
- GVKM
- HSIF
- EERT
- MJPO
- EMPH
- XZPV
- JROG
- EERT
- ECMG
- VXQ
- UBD
- FDNH
- ORLM
- KRAP
- PGR
- NIAR
- JHSD
- GRJ
- VWDU
- GLBH
- VUGP
- ETIK
- MHZQ
- BCQI
- URHS
- XZG
- YZOO
- NLLM
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