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 DOG is written as WLT, how is FROG written in the same code? (a) VJMU (b) GSPH (c) UILT (d) THKS
- 2.If BELL is written as YVOO, how is SHIP written in the same code? (a) TIJQ (b) HSRK (c) ITSL (d) GRQJ
- 3.If BOOK is written as ERRN, how is MILK written in the same code? (a) QMPO (b) PLON (c) OKNM (d) JFIH
- 4.If MILK is written as NROP, how is FROG written in the same code? (a) THKS (b) GSPH (c) VJMU (d) UILT
- 5.If SUN is written as NUS, how is CAKE written in the same code? (a) DJZB (b) EKAC (c) FLBD (d) DBLF
- 6.If DOG is written as EPH, how is CAT written in the same code? (a) DBU (b) UBD (c) BZS (d) ECV
- 7.If KITE is written as DSHJ, how is PEN written in the same code? (a) NEP (b) ODM (c) MDO (d) OFQ
- 8.If BALL is written as YZOO, how is BELL written in the same code? (a) CFMM (b) XUNN (c) YVOO (d) ZWPP
- 9.If SUN is written as PWU, how is DOG written in the same code? (a) EMB (b) FQI (c) IQF (d) GOD
- 10.If RAIN is written as OJBS, how is SUN written in the same code? (a) TVO (b) NUS (c) MTR (d) OVT
- 11.If SHIP is written as PIHS, how is WIND written in the same code? (a) DNIW (b) EOJX (c) CMHV (d) XJOE
- 12.If BOOK is written as ERRN, how is CAT written in the same code? (a) FDW (b) GEX (c) ZXQ (d) ECV
- 13.If DRUM is written as FTWO, how is COLD written in the same code? (a) EQNF (b) DPME (c) AMJB (d) FROG
- 14.If MOON is written as NLLM, how is SUN written in the same code? (a) HFM (b) IGN (c) GEL (d) TVO
- 15.If TOYS is written as TZPU, how is MILK written in the same code? (a) LMJN (b) KLIM (c) JKHL (d) NJML
- 16.If TREE is written as USFF, how is DOG written in the same code? (a) CNF (b) FQI (c) EPH (d) HPE
- 17.If FROG is written as IQTH, how is PEN written in the same code? (a) LCN (b) PGR (c) RGP (d) NEP
- 18.If FISH is written as JUKH, how is LION written in the same code? (a) NOIL (b) LMGJ (c) PQKN (d) NKQP
- 19.If BOOK is written as ZMMI, how is BELL written in the same code? (a) YBII (b) ZCJJ (c) ADKK (d) DGNN
- 20.If DOG is written as GOD, how is HAND written in the same code? (a) IBOE (b) CMZG (c) EOBI (d) DNAH
- 21.If PEN is written as OFQ, how is NEST written in the same code? (a) TSEN (b) UTFO (c) OFTU (d) SRDM
- 22.If DRUM is written as MURD, how is TREE written in the same code? (a) DDQS (b) FFSU (c) EERT (d) USFF
- 23.If GOLD is written as TLOW, how is DRUM written in the same code? (a) VHEM (b) XJGO (c) ESVN (d) WIFN
- 24.If TOYS is written as GLBH, how is PEN written in the same code? (a) KVM (b) LWN (c) QFO (d) JUL
- 25.If BOAT is written as YLZG, how is BELL written in the same code? (a) XUNN (b) CFMM (c) ZWPP (d) YVOO
- 26.If NEST is written as TSEN, how is HAND written in the same code? (a) IBOE (b) CMZG (c) DNAH (d) EOBI
- 27.If FROG is written as UILT, how is PARK written in the same code? (a) JYHO (b) QBSL (c) LAJQ (d) KZIP
- 28.If COLD is written as XLOW, how is GOLD written in the same code? (a) HPME (b) UMPX (c) SKNV (d) TLOW
- 29.If SUN is written as NUS, how is STAR written in the same code? (a) QZSR (b) TUBS (c) SBUT (d) RATS
- 30.If RAIN is written as PYGL, how is WIND written in the same code? (a) TFKA (b) VHMC (c) YKPF (d) UGLB
- 31.If SUN is written as MTR, how is GOLD written in the same code? (a) CKNF (b) EMPH (c) FNKC (d) DLOG
- 32.If LION is written as ORLM, how is JUMP written in the same code? (a) QFNK (b) PEMJ (c) KVNQ (d) RGOL
- 33.If LION is written as PQKN, how is BOAT written in the same code? (a) TAOB (b) RYMZ (c) DQCV (d) VCQD
- 34.If RAIN is written as PYGL, how is KITE written in the same code? (a) HFQB (b) IGRC (c) MKVG (d) JHSD
- 35.If MOON is written as PQQO, how is RAIN written in the same code? (a) TCKP (b) LGYP (c) PKCT (d) NIAR
- 36.If NEST is written as MVHG, how is GOLD written in the same code? (a) TLOW (b) UMPX (c) HPME (d) SKNV
- 37.If TREE is written as EERT, how is PEN written in the same code? (a) NEP (b) MDO (c) QFO (d) OFQ
- 38.If FROG is written as DPME, how is CAT written in the same code? (a) BZS (b) ZXQ (c) ECV (d) AYR
- 39.If FISH is written as ILVK, how is DESK written in the same code? (a) ABPH (b) HIWO (c) FGUM (d) GHVN
- 40.If KITE is written as GVKM, how is JUMP written in the same code? (a) NKSH (b) ROWL (c) PMUJ (d) LWOR
Answer key
- UILT
- HSRK
- PLON
- UILT
- EKAC
- DBU
- MDO
- YVOO
- IQF
- OVT
- DNIW
- FDW
- EQNF
- HFM
- LMJN
- EPH
- PGR
- PQKN
- ZCJJ
- DNAH
- UTFO
- EERT
- WIFN
- KVM
- YVOO
- DNAH
- KZIP
- TLOW
- RATS
- UGLB
- CKNF
- QFNK
- VCQD
- IGRC
- PKCT
- TLOW
- NEP
- AYR
- GHVN
- ROWL
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