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 CAKE is written as DBLF, how is TREE written in the same code? (a) FFSU (b) SQDD (c) USFF (d) VTGG
- 2.If GOLD is written as CKNF, how is TREE written in the same code? (a) FFSU (b) EERT (c) DDQS (d) SQDD
- 3.If LION is written as PQKN, how is CAT written in the same code? (a) ECV (b) RYA (c) VCE (d) TAC
- 4.If TOYS is written as SYOT, how is SHIP written in the same code? (a) PIHS (b) TIJQ (c) OHGR (d) QJIT
- 5.If CAT is written as ECV, how is CAKE written in the same code? (a) DBLF (b) AYIC (c) FDNH (d) ECMG
- 6.If CAT is written as TAC, how is PEN written in the same code? (a) MDO (b) NEP (c) OFQ (d) QFO
- 7.If SUN is written as OVT, how is FISH written in the same code? (a) ITJG (b) GRHE (c) GJTI (d) HSIF
- 8.If STAR is written as TCVU, how is HAND written in the same code? (a) BLYF (b) JCPF (c) DNAH (d) FPCJ
- 9.If KITE is written as ETIK, how is FROG written in the same code? (a) FNQE (b) GSPH (c) HPSG (d) GORF
- 10.If TREE is written as USFF, how is CAT written in the same code? (a) UBD (b) ECV (c) BZS (d) DBU
- 11.If LION is written as NKQP, how is CAKE written in the same code? (a) FDNH (b) ECMG (c) DBLF (d) AYIC
- 12.If SUN is written as PWU, how is STAR written in the same code? (a) TCVU (b) PYRQ (c) UVCT (d) RATS
- 13.If NEST is written as LCQR, how is PEN written in the same code? (a) NCL (b) RGP (c) ODM (d) MBK
- 14.If BELL is written as LLEB, how is WIND written in the same code? (a) XJOE (b) DNIW (c) CMHV (d) EOJX
- 15.If MILK is written as NROP, how is BOOK written in the same code? (a) XKKO (b) ZMMQ (c) CPPL (d) YLLP
- 16.If SUN is written as TVO, how is KITE written in the same code? (a) FUJL (b) LJUF (c) MKVG (d) JHSD
- 17.If RAIN is written as IZRM, how is SHIP written in the same code? (a) TIJQ (b) HSRK (c) GRQJ (d) ITSL
- 18.If GOLD is written as FNQI, how is KITE written in the same code? (a) MKVG (b) ETIK (c) GVKM (d) CRGI
- 19.If MOON is written as NLLM, how is STAR written in the same code? (a) HGZI (b) GFYH (c) TUBS (d) IHAJ
- 20.If BOAT is written as TAOB, how is CAKE written in the same code? (a) EKAC (b) DBLF (c) DJZB (d) FLBD
- 21.If JUMP is written as QNVK, how is FISH written in the same code? (a) GJTI (b) ITJG (c) HSIF (d) GRHE
- 22.If DESK is written as CDRJ, how is JUMP written in the same code? (a) JUMP (b) ITLO (c) HSKN (d) KVNQ
- 23.If BELL is written as CFMM, how is FISH written in the same code? (a) EHRG (b) HKUJ (c) GJTI (d) ITJG
- 24.If DOG is written as GOD, how is LAMP written in the same code? (a) PMAL (b) QNBM (c) OLZK (d) MBNQ
- 25.If COLD is written as XLOW, how is JUMP written in the same code? (a) RGOL (b) KVNQ (c) PEMJ (d) QFNK
- 26.If BELL is written as ZCJJ, how is DRUM written in the same code? (a) FTWO (b) CQTL (c) AORJ (d) BPSK
- 27.If TOYS is written as GLBH, how is MILK written in the same code? (a) NJML (b) MQNO (c) NROP (d) OSPQ
- 28.If KITE is written as ETIK, how is GOLD written in the same code? (a) HPME (b) EMPH (c) CKNF (d) DLOG
- 29.If MOON is written as OPPN, how is TREE written in the same code? (a) USFF (b) EERT (c) FFSU (d) DDQS
- 30.If CAKE is written as XZPV, how is BALL written in the same code? (a) XYNN (b) CBMM (c) YZOO (d) ZAPP
- 31.If CAT is written as FDW, how is LION written in the same code? (a) PMSR (b) NKQP (c) IFLK (d) OLRQ
- 32.If BOAT is written as VCQD, how is DOG written in the same code? (a) GOD (b) IQF (c) EMB (d) FQI
- 33.If PEN is written as ODM, how is CAT written in the same code? (a) CAT (b) BZS (c) AYR (d) DBU
- 34.If GOLD is written as JROG, how is TREE written in the same code? (a) QOBB (b) XVII (c) VTGG (d) WUHH
- 35.If BELL is written as CFMM, how is BOOK written in the same code? (a) LPPC (b) ANNJ (c) CPPL (d) DQQM
- 36.If RAIN is written as NIAR, how is STAR written in the same code? (a) QZSR (b) SBUT (c) TUBS (d) RATS
- 37.If PARK is written as KRAP, how is NEST written in the same code? (a) UTFO (b) OFTU (c) TSEN (d) SRDM
- 38.If COLD is written as XLOW, how is DOG written in the same code? (a) EPH (b) XMU (c) VKS (d) WLT
- 39.If COLD is written as XLOW, how is WIND written in the same code? (a) XJOE (b) DRMW (c) CQLV (d) ESNX
- 40.If PARK is written as JQZO, how is RAIN written in the same code? (a) NIAR (b) QZHM (c) OJBS (d) MHZQ
Answer key
- USFF
- DDQS
- VCE
- PIHS
- ECMG
- NEP
- ITJG
- FPCJ
- GORF
- DBU
- ECMG
- TCVU
- NCL
- DNIW
- YLLP
- LJUF
- HSRK
- GVKM
- HGZI
- EKAC
- ITJG
- ITLO
- GJTI
- PMAL
- QFNK
- BPSK
- NROP
- DLOG
- FFSU
- YZOO
- OLRQ
- IQF
- BZS
- WUHH
- CPPL
- RATS
- TSEN
- WLT
- DRMW
- MHZQ
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