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 FISH is written as GJTI, how is SHIP written in the same code? (a) QJIT (b) UJKR (c) RGHO (d) TIJQ
- 2.If SUN is written as NUS, how is JUMP written in the same code? (a) QNVK (b) OLTI (c) KVNQ (d) PMUJ
- 3.If BELL is written as ADKK, how is PEN written in the same code? (a) NCL (b) QFO (c) ODM (d) PEN
- 4.If MILK is written as KLIM, how is STAR written in the same code? (a) TUBS (b) SBUT (c) RATS (d) QZSR
- 5.If LAMP is written as OZNK, how is DOG written in the same code? (a) VKS (b) WLT (c) EPH (d) XMU
- 6.If BOAT is written as YLZG, how is FROG written in the same code? (a) VJMU (b) THKS (c) UILT (d) GSPH
- 7.If JUMP is written as PMUJ, how is STAR written in the same code? (a) TUBS (b) SBUT (c) QZSR (d) RATS
- 8.If WIND is written as DRMW, how is CAKE written in the same code? (a) XZPV (b) YAQW (c) WYOU (d) DBLF
- 9.If FISH is written as HSIF, how is CAKE written in the same code? (a) EKAC (b) DBLF (c) DJZB (d) FLBD
- 10.If DOG is written as WLT, how is TOYS written in the same code? (a) HMCI (b) FKAG (c) UPZT (d) GLBH
- 11.If PEN is written as NCL, how is BELL written in the same code? (a) YBII (b) ZCJJ (c) ADKK (d) DGNN
- 12.If WIND is written as DNIW, how is COLD written in the same code? (a) EMPD (b) CKNB (c) DLOC (d) DPME
- 13.If HAND is written as GZMC, how is DESK written in the same code? (a) EFTL (b) DESK (c) BCQI (d) CDRJ
- 14.If NEST is written as OFTU, how is MOON written in the same code? (a) LNNM (b) OPPN (c) OQQP (d) NPPO
- 15.If BALL is written as MMBC, how is LAMP written in the same code? (a) PMAL (b) QNBM (c) MBNQ (d) OLZK
- 16.If BELL is written as MMFC, how is CAT written in the same code? (a) TAC (b) UBD (c) DBU (d) SZB
- 17.If STAR is written as HGZI, how is COLD written in the same code? (a) WKNV (b) DPME (c) YMPX (d) XLOW
- 18.If PARK is written as KRAP, how is MOON written in the same code? (a) NOOM (b) MNNL (c) NPPO (d) OPPN
- 19.If COLD is written as EMPD, how is CAKE written in the same code? (a) DJZB (b) FLBD (c) EKAC (d) DBLF
- 20.If COLD is written as FROG, how is TREE written in the same code? (a) XVII (b) QOBB (c) VTGG (d) WUHH
- 21.If COLD is written as FNQE, how is FISH written in the same code? (a) FQGD (b) JUKH (c) HKUJ (d) HSIF
- 22.If MOON is written as KMML, how is SHIP written in the same code? (a) QFGN (b) PEFM (c) UJKR (d) RGHO
- 23.If LION is written as NOIL, how is JUMP written in the same code? (a) KVNQ (b) OLTI (c) PMUJ (d) QNVK
- 24.If LAMP is written as PMAL, how is RAIN written in the same code? (a) OJBS (b) NIAR (c) MHZQ (d) SBJO
- 25.If BOAT is written as CPBU, how is STAR written in the same code? (a) UVCT (b) TUBS (c) SBUT (d) RSZQ
- 26.If GOLD is written as EMPH, how is FROG written in the same code? (a) GSPH (b) GORF (c) FNQE (d) HPSG
- 27.If GOLD is written as DLOG, how is HAND written in the same code? (a) DNAH (b) CMZG (c) IBOE (d) EOBI
- 28.If PARK is written as LSBQ, how is RAIN written in the same code? (a) NIAR (b) OJBS (c) MHZQ (d) SBJO
- 29.If DESK is written as KSED, how is RAIN written in the same code? (a) NIAR (b) MHZQ (c) OJBS (d) SBJO
- 30.If FISH is written as HSIF, how is SHIP written in the same code? (a) OHGR (b) TIJQ (c) PIHS (d) QJIT
- 31.If DOG is written as FNC, how is JUMP written in the same code? (a) OLTI (b) QNVK (c) PMUJ (d) ITLO
- 32.If TREE is written as EERT, how is MILK written in the same code? (a) LMJN (b) JKHL (c) KLIM (d) NJML
- 33.If KITE is written as ETIK, how is RAIN written in the same code? (a) OJBS (b) NIAR (c) MHZQ (d) SBJO
- 34.If BOAT is written as TAOB, how is RAIN written in the same code? (a) SBJO (b) MHZQ (c) NIAR (d) OJBS
- 35.If FISH is written as ILVK, how is RAIN written in the same code? (a) TCKP (b) VEMR (c) OXFK (d) UDLQ
- 36.If TREE is written as GIVV, how is DESK written in the same code? (a) VUGO (b) XWIQ (c) WVHP (d) EFTL
- 37.If KITE is written as LJUF, how is NEST written in the same code? (a) OFTU (b) PGUV (c) UTFO (d) MDRS
- 38.If CAKE is written as EKAC, how is BOOK written in the same code? (a) JNNA (b) LPPC (c) KOOB (d) CPPL
- 39.If FISH is written as HKUJ, how is BELL written in the same code? (a) ZCJJ (b) EHOO (c) DGNN (d) CFMM
- 40.If COLD is written as FROG, how is CAKE written in the same code? (a) FDNH (b) ZXHB (c) ECMG (d) GEOI
Answer key
- TIJQ
- PMUJ
- ODM
- RATS
- WLT
- UILT
- RATS
- XZPV
- EKAC
- GLBH
- ZCJJ
- DLOC
- CDRJ
- NPPO
- QNBM
- UBD
- XLOW
- NOOM
- FLBD
- WUHH
- JUKH
- QFGN
- PMUJ
- NIAR
- TUBS
- HPSG
- DNAH
- OJBS
- NIAR
- PIHS
- OLTI
- KLIM
- NIAR
- NIAR
- UDLQ
- WVHP
- OFTU
- KOOB
- DGNN
- FDNH
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