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 MOON is written as KMML, how is PARK written in the same code? (a) MXOH (b) NYPI (c) OZQJ (d) RCTM
- 2.If NEST is written as SRDM, how is BOOK written in the same code? (a) LPPC (b) JNNA (c) ANNJ (d) KOOB
- 3.If PARK is written as MTCR, how is CAT written in the same code? (a) RYA (b) VCE (c) TAC (d) ECV
- 4.If DOG is written as WLT, how is SHIP written in the same code? (a) GRQJ (b) TIJQ (c) ITSL (d) HSRK
- 5.If MILK is written as MNKO, how is KITE written in the same code? (a) MKVG (b) ETIK (c) CRGI (d) GVKM
- 6.If WIND is written as DRMW, how is SUN written in the same code? (a) TVO (b) GEL (c) IGN (d) HFM
- 7.If HAND is written as DNAH, how is TREE written in the same code? (a) USFF (b) DDQS (c) EERT (d) FFSU
- 8.If RAIN is written as PKCT, how is DRUM written in the same code? (a) MURD (b) OWTF (c) FTWO (d) KSPB
- 9.If DRUM is written as OWTF, how is PEN written in the same code? (a) LCN (b) PGR (c) NEP (d) RGP
- 10.If CAKE is written as XZPV, how is HAND written in the same code? (a) SZMW (b) RYLV (c) TANX (d) IBOE
- 11.If BELL is written as CFMM, how is BOAT written in the same code? (a) DQCV (b) UBPC (c) CPBU (d) ANZS
- 12.If GOLD is written as EMPH, how is SUN written in the same code? (a) NUS (b) OVT (c) TVO (d) MTR
- 13.If NEST is written as TSEN, how is LAMP written in the same code? (a) QNBM (b) OLZK (c) PMAL (d) MBNQ
- 14.If MILK is written as NROP, how is DOG written in the same code? (a) XMU (b) VKS (c) EPH (d) WLT
- 15.If GOLD is written as FNKC, how is BALL written in the same code? (a) AZKK (b) BALL (c) ZYJJ (d) CBMM
- 16.If COLD is written as DLOC, how is KITE written in the same code? (a) LJUF (b) ETIK (c) DSHJ (d) FUJL
- 17.If FISH is written as JUKH, how is COLD written in the same code? (a) EQNF (b) BJMA (c) DLOC (d) FNQE
- 18.If FROG is written as UILT, how is LION written in the same code? (a) PSMN (b) NQKL (c) MJPO (d) ORLM
- 19.If PEN is written as QFO, how is SHIP written in the same code? (a) RGHO (b) UJKR (c) QJIT (d) TIJQ
- 20.If PEN is written as OFQ, how is NEST written in the same code? (a) UTFO (b) OFTU (c) SRDM (d) TSEN
- 21.If SUN is written as HFM, how is PARK written in the same code? (a) JYHO (b) QBSL (c) KZIP (d) LAJQ
- 22.If BALL is written as LLAB, how is STAR written in the same code? (a) RATS (b) SBUT (c) QZSR (d) TUBS
- 23.If KITE is written as ETIK, how is CAKE written in the same code? (a) FLBD (b) DJZB (c) EKAC (d) DBLF
- 24.If COLD is written as AMJB, how is BOAT written in the same code? (a) ZMYR (b) YLXQ (c) DQCV (d) ANZS
- 25.If DESK is written as WVHP, how is BOOK written in the same code? (a) XKKO (b) YLLP (c) ZMMQ (d) CPPL
- 26.If TREE is written as GIVV, how is MILK written in the same code? (a) OSPQ (b) MQNO (c) NJML (d) NROP
- 27.If DRUM is written as MURD, how is BOOK written in the same code? (a) CPPL (b) JNNA (c) KOOB (d) LPPC
- 28.If BELL is written as YVOO, how is LION written in the same code? (a) MJPO (b) PSMN (c) ORLM (d) NQKL
- 29.If BELL is written as ZCJJ, how is FISH written in the same code? (a) HKUJ (b) DGQF (c) EHRG (d) CFPE
- 30.If BOAT is written as ZMYR, how is RAIN written in the same code? (a) OXFK (b) TCKP (c) QZHM (d) PYGL
- 31.If MILK is written as MNKO, how is DOG written in the same code? (a) IQF (b) EMB (c) FQI (d) GOD
- 32.If BALL is written as CBMM, how is SUN written in the same code? (a) UWP (b) OVT (c) RTM (d) TVO
- 33.If BALL is written as YZOO, how is JUMP written in the same code? (a) PEMJ (b) RGOL (c) QFNK (d) KVNQ
- 34.If FISH is written as URHS, how is TREE written in the same code? (a) USFF (b) HJWW (c) GIVV (d) FHUU
- 35.If TOYS is written as TZPU, how is KITE written in the same code? (a) LJUF (b) ETIK (c) DSHJ (d) FUJL
- 36.If MILK is written as NROP, how is GOLD written in the same code? (a) TLOW (b) HPME (c) SKNV (d) UMPX
- 37.If TREE is written as EERT, how is DOG written in the same code? (a) HPE (b) EPH (c) GOD (d) FNC
- 38.If FROG is written as DPME, how is TREE written in the same code? (a) QOBB (b) RPCC (c) VTGG (d) SQDD
- 39.If RAIN is written as MHZQ, how is PEN written in the same code? (a) MDO (b) OFQ (c) NEP (d) ODM
- 40.If MILK is written as LHKJ, how is STAR written in the same code? (a) TUBS (b) QRYP (c) RSZQ (d) STAR
Answer key
- NYPI
- JNNA
- VCE
- HSRK
- GVKM
- HFM
- EERT
- OWTF
- PGR
- SZMW
- CPBU
- OVT
- PMAL
- WLT
- AZKK
- ETIK
- FNQE
- ORLM
- TIJQ
- UTFO
- KZIP
- RATS
- EKAC
- ZMYR
- YLLP
- NROP
- KOOB
- ORLM
- DGQF
- PYGL
- IQF
- TVO
- QFNK
- GIVV
- FUJL
- TLOW
- GOD
- RPCC
- MDO
- RSZQ
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