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 MILK is written as KLIM, how is KITE written in the same code? (a) DSHJ (b) FUJL (c) ETIK (d) LJUF
- 2.If LION is written as ORLM, how is CAKE written in the same code? (a) DBLF (b) XZPV (c) WYOU (d) YAQW
- 3.If CAKE is written as DJZB, how is JUMP written in the same code? (a) ITLO (b) OLTI (c) QNVK (d) PMUJ
- 4.If PEN is written as PGR, how is MOON written in the same code? (a) PQQO (b) OQQP (c) NOOM (d) LMMK
- 5.If DESK is written as BCQI, how is SHIP written in the same code? (a) QFGN (b) PEFM (c) RGHO (d) UJKR
- 6.If JUMP is written as QNVK, how is PEN written in the same code? (a) NEP (b) MDO (c) QFO (d) OFQ
- 7.If CAT is written as DBU, how is SHIP written in the same code? (a) QJIT (b) TIJQ (c) RGHO (d) UJKR
- 8.If DOG is written as WLT, how is NEST written in the same code? (a) MVHG (b) OFTU (c) LUGF (d) NWIH
- 9.If BELL is written as YVOO, how is FISH written in the same code? (a) GJTI (b) TQGR (c) URHS (d) VSIT
- 10.If SUN is written as RTM, how is DOG written in the same code? (a) BME (b) CNF (c) DOG (d) EPH
- 11.If RAIN is written as PKCT, how is SUN written in the same code? (a) NUS (b) UWP (c) PWU (d) LSQ
- 12.If TREE is written as EERT, how is HAND written in the same code? (a) IBOE (b) EOBI (c) DNAH (d) CMZG
- 13.If FISH is written as EHRG, how is CAT written in the same code? (a) CAT (b) DBU (c) AYR (d) BZS
- 14.If CAT is written as DBU, how is PARK written in the same code? (a) QBSL (b) OZQJ (c) LSBQ (d) RCTM
- 15.If FROG is written as FNQE, how is DRUM written in the same code? (a) LTQC (b) MURD (c) NVSE (d) CQTL
- 16.If LION is written as KHNM, how is NEST written in the same code? (a) OFTU (b) LCQR (c) MDRS (d) NEST
- 17.If BALL is written as KKZA, how is SHIP written in the same code? (a) PIHS (b) RGHO (c) OHGR (d) QJIT
- 18.If SHIP is written as RGHO, how is JUMP written in the same code? (a) JUMP (b) HSKN (c) ITLO (d) KVNQ
- 19.If LION is written as NOIL, how is BOOK written in the same code? (a) JNNA (b) LPPC (c) CPPL (d) KOOB
- 20.If COLD is written as XLOW, how is BELL written in the same code? (a) CFMM (b) YVOO (c) ZWPP (d) XUNN
- 21.If TREE is written as RPCC, how is GOLD written in the same code? (a) IQNF (b) EMJB (c) DLIA (d) FNKC
- 22.If RAIN is written as IZRM, how is SUN written in the same code? (a) GEL (b) TVO (c) HFM (d) IGN
- 23.If DESK is written as KSED, how is BOOK written in the same code? (a) KOOB (b) CPPL (c) JNNA (d) LPPC
- 24.If HAND is written as DNAH, how is BOOK written in the same code? (a) LPPC (b) KOOB (c) CPPL (d) JNNA
- 25.If BOAT is written as ANZS, how is RAIN written in the same code? (a) PYGL (b) QZHM (c) RAIN (d) SBJO
- 26.If BOAT is written as YLZG, how is SUN written in the same code? (a) IGN (b) HFM (c) GEL (d) TVO
- 27.If TOYS is written as RMWQ, how is SHIP written in the same code? (a) RGHO (b) QFGN (c) PEFM (d) UJKR
- 28.If MILK is written as MNKO, how is PARK written in the same code? (a) RCTM (b) IPYN (c) KRAP (d) MTCR
- 29.If TREE is written as EERT, how is PEN written in the same code? (a) MDO (b) QFO (c) NEP (d) OFQ
- 30.If MILK is written as LHKJ, how is BALL written in the same code? (a) AZKK (b) BALL (c) CBMM (d) ZYJJ
- 31.If TREE is written as DDQS, how is KITE written in the same code? (a) ETIK (b) JHSD (c) FUJL (d) DSHJ
- 32.If KITE is written as GVKM, how is LION written in the same code? (a) NOIL (b) NKQP (c) PQKN (d) LMGJ
- 33.If CAKE is written as EKAC, how is FISH written in the same code? (a) GJTI (b) ITJG (c) GRHE (d) HSIF
- 34.If HAND is written as IBOE, how is DOG written in the same code? (a) HPE (b) FQI (c) CNF (d) EPH
- 35.If SUN is written as NUS, how is PEN written in the same code? (a) OFQ (b) NEP (c) QFO (d) MDO
- 36.If CAKE is written as EKAC, how is GOLD written in the same code? (a) HPME (b) CKNF (c) EMPH (d) DLOG
- 37.If KITE is written as PRGV, how is NEST written in the same code? (a) MVHG (b) LUGF (c) OFTU (d) NWIH
- 38.If DOG is written as EPH, how is LAMP written in the same code? (a) MBNQ (b) KZLO (c) NCOR (d) QNBM
- 39.If TOYS is written as GLBH, how is MILK written in the same code? (a) NROP (b) NJML (c) MQNO (d) OSPQ
- 40.If CAT is written as XZG, how is DOG written in the same code? (a) WLT (b) EPH (c) VKS (d) XMU
Answer key
- ETIK
- XZPV
- OLTI
- PQQO
- QFGN
- OFQ
- TIJQ
- MVHG
- URHS
- CNF
- PWU
- DNAH
- BZS
- QBSL
- LTQC
- MDRS
- OHGR
- ITLO
- KOOB
- YVOO
- EMJB
- HFM
- KOOB
- KOOB
- QZHM
- HFM
- QFGN
- MTCR
- NEP
- AZKK
- DSHJ
- PQKN
- HSIF
- EPH
- NEP
- DLOG
- MVHG
- MBNQ
- NROP
- WLT
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