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 BELL is written as MMFC, how is BALL written in the same code? (a) LLAB (b) MMBC (c) KKZA (d) CBMM
- 2.If BOAT is written as YLZG, how is NEST written in the same code? (a) NWIH (b) LUGF (c) OFTU (d) MVHG
- 3.If WIND is written as VHMC, how is DESK written in the same code? (a) EFTL (b) BCQI (c) CDRJ (d) DESK
- 4.If STAR is written as HGZI, how is SHIP written in the same code? (a) GRQJ (b) HSRK (c) ITSL (d) TIJQ
- 5.If TREE is written as WUHH, how is COLD written in the same code? (a) ZLIA (b) GSPH (c) EQNF (d) FROG
- 6.If BALL is written as KKZA, how is COLD written in the same code? (a) BNKC (b) EMPD (c) DLOC (d) CKNB
- 7.If PARK is written as MTCR, how is SUN written in the same code? (a) LSQ (b) UWP (c) PWU (d) NUS
- 8.If COLD is written as FNQE, how is WIND written in the same code? (a) YKPF (b) DNIW (c) BLGU (d) FPKY
- 9.If CAKE is written as XZPV, how is JUMP written in the same code? (a) RGOL (b) QFNK (c) PEMJ (d) KVNQ
- 10.If CAT is written as XZG, how is GOLD written in the same code? (a) UMPX (b) TLOW (c) HPME (d) SKNV
- 11.If DRUM is written as LTQC, how is BOOK written in the same code? (a) ANNJ (b) KOOB (c) JNNA (d) LPPC
- 12.If COLD is written as EQNF, how is PEN written in the same code? (a) RGP (b) SHQ (c) QFO (d) NCL
- 13.If HAND is written as DNAH, how is GOLD written in the same code? (a) DLOG (b) EMPH (c) CKNF (d) HPME
- 14.If PARK is written as KRAP, how is LAMP written in the same code? (a) PMAL (b) OLZK (c) QNBM (d) MBNQ
- 15.If JUMP is written as LWOR, how is MOON written in the same code? (a) NPPO (b) KMML (c) PRRQ (d) OQQP
- 16.If SUN is written as OVT, how is MILK written in the same code? (a) LMJN (b) NJML (c) JKHL (d) KLIM
- 17.If COLD is written as EMPD, how is PEN written in the same code? (a) QFO (b) NEP (c) MDO (d) OFQ
- 18.If BOOK is written as ANNJ, how is FROG written in the same code? (a) EQNF (b) FROG (c) DPME (d) GSPH
- 19.If CAT is written as XZG, how is DESK written in the same code? (a) XWIQ (b) VUGO (c) WVHP (d) EFTL
- 20.If MILK is written as MNKO, how is FROG written in the same code? (a) GORF (b) HTQI (c) IQTH (d) EMPD
- 21.If DRUM is written as FTWO, how is DOG written in the same code? (a) EPH (b) FQI (c) GRJ (d) BME
- 22.If PARK is written as RCTM, how is SUN written in the same code? (a) VXQ (b) QSL (c) UWP (d) TVO
- 23.If HAND is written as CMZG, how is TOYS written in the same code? (a) TZPU (b) SNXR (c) RXNS (d) SYOT
- 24.If STAR is written as RSZQ, how is PEN written in the same code? (a) PEN (b) ODM (c) QFO (d) NCL
- 25.If BALL is written as YZOO, how is JUMP written in the same code? (a) KVNQ (b) QFNK (c) RGOL (d) PEMJ
- 26.If BOOK is written as KOOB, how is GOLD written in the same code? (a) EMPH (b) DLOG (c) CKNF (d) HPME
- 27.If DESK is written as WVHP, how is TOYS written in the same code? (a) HMCI (b) GLBH (c) FKAG (d) UPZT
- 28.If SUN is written as OVT, how is COLD written in the same code? (a) DPME (b) DLOC (c) EMPD (d) CKNB
- 29.If BELL is written as CFMM, how is HAND written in the same code? (a) GZMC (b) IBOE (c) JCPF (d) EOBI
- 30.If FROG is written as FNQE, how is DRUM written in the same code? (a) NVSE (b) LTQC (c) MURD (d) CQTL
- 31.If MILK is written as LMJN, how is FISH written in the same code? (a) GRHE (b) HSIF (c) GJTI (d) ITJG
- 32.If COLD is written as DLOC, how is SUN written in the same code? (a) MTR (b) OVT (c) NUS (d) TVO
- 33.If NEST is written as MVHG, how is DOG written in the same code? (a) VKS (b) EPH (c) WLT (d) XMU
- 34.If JUMP is written as ROWL, how is BELL written in the same code? (a) JJCZ (b) LLEB (c) DGNN (d) NNGD
- 35.If BOOK is written as ANNJ, how is MOON written in the same code? (a) MOON (b) KMML (c) NPPO (d) LNNM
- 36.If SUN is written as NUS, how is TREE written in the same code? (a) USFF (b) FFSU (c) EERT (d) DDQS
- 37.If KITE is written as LJUF, how is DOG written in the same code? (a) EPH (b) CNF (c) HPE (d) FQI
- 38.If BOOK is written as KOOB, how is DRUM written in the same code? (a) MURD (b) NVSE (c) ESVN (d) LTQC
- 39.If FISH is written as JUKH, how is TREE written in the same code? (a) VTGG (b) GGTV (c) CCPR (d) EERT
- 40.If CAT is written as XZG, how is BOOK written in the same code? (a) ZMMQ (b) CPPL (c) XKKO (d) YLLP
Answer key
- MMBC
- MVHG
- CDRJ
- HSRK
- FROG
- CKNB
- PWU
- FPKY
- QFNK
- TLOW
- JNNA
- RGP
- DLOG
- PMAL
- OQQP
- LMJN
- OFQ
- EQNF
- WVHP
- IQTH
- FQI
- UWP
- RXNS
- ODM
- QFNK
- DLOG
- GLBH
- EMPD
- IBOE
- LTQC
- ITJG
- NUS
- WLT
- NNGD
- LNNM
- EERT
- EPH
- MURD
- GGTV
- YLLP
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