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 SHIP is written as RGHO, how is BALL written in the same code? (a) CBMM (b) ZYJJ (c) AZKK (d) BALL
- 2.If LION is written as NKQP, how is JUMP written in the same code? (a) LWOR (b) MXPS (c) KVNQ (d) HSKN
- 3.If KITE is written as NLWH, how is PEN written in the same code? (a) SHQ (b) RGP (c) TIR (d) MBK
- 4.If BELL is written as ZCJJ, how is FISH written in the same code? (a) EHRG (b) DGQF (c) CFPE (d) HKUJ
- 5.If SUN is written as MTR, how is STAR written in the same code? (a) SBUT (b) RATS (c) RSZQ (d) QZSR
- 6.If JUMP is written as KVNQ, how is FISH written in the same code? (a) ITJG (b) EHRG (c) GJTI (d) HKUJ
- 7.If CAKE is written as XZPV, how is PEN written in the same code? (a) JUL (b) KVM (c) LWN (d) QFO
- 8.If LION is written as NKQP, how is FISH written in the same code? (a) ILVK (b) GJTI (c) HKUJ (d) DGQF
- 9.If FISH is written as HSIF, how is DESK written in the same code? (a) KSED (b) JRDC (c) EFTL (d) LTFE
- 10.If DOG is written as CNF, how is BOOK written in the same code? (a) ANNJ (b) BOOK (c) CPPL (d) ZMMI
- 11.If WIND is written as UGLB, how is MILK written in the same code? (a) JFIH (b) KGJI (c) LHKJ (d) OKNM
- 12.If LAMP is written as PMAL, how is MILK written in the same code? (a) LMJN (b) JKHL (c) NJML (d) KLIM
- 13.If NEST is written as MDRS, how is HAND written in the same code? (a) HAND (b) IBOE (c) GZMC (d) FYLB
- 14.If DRUM is written as LTQC, how is CAKE written in the same code? (a) BZJD (b) FLBD (c) DJZB (d) EKAC
- 15.If STAR is written as SBUT, how is SHIP written in the same code? (a) QJIT (b) PIHS (c) TIJQ (d) OHGR
- 16.If LAMP is written as QNBM, how is DESK written in the same code? (a) LTFE (b) KSED (c) JRDC (d) EFTL
- 17.If BOOK is written as KOOB, how is MILK written in the same code? (a) JKHL (b) NJML (c) LMJN (d) KLIM
- 18.If RAIN is written as NIAR, how is TREE written in the same code? (a) DDQS (b) FFSU (c) EERT (d) USFF
- 19.If CAKE is written as XZPV, how is BOAT written in the same code? (a) ZMAH (b) YLZG (c) CPBU (d) XKYF
- 20.If DESK is written as MUGF, how is NEST written in the same code? (a) VUGP (b) RQCL (c) TSEN (d) PGUV
- 21.If FROG is written as HTQI, how is COLD written in the same code? (a) FROG (b) AMJB (c) DPME (d) EQNF
- 22.If PEN is written as ODM, how is DRUM written in the same code? (a) CQTL (b) DRUM (c) ESVN (d) BPSK
- 23.If GOLD is written as DLOG, how is TREE written in the same code? (a) EERT (b) DDQS (c) FFSU (d) USFF
- 24.If WIND is written as DRMW, how is DESK written in the same code? (a) EFTL (b) VUGO (c) WVHP (d) XWIQ
- 25.If DRUM is written as WIFN, how is BALL written in the same code? (a) XYNN (b) ZAPP (c) YZOO (d) CBMM
- 26.If PEN is written as ODM, how is BALL written in the same code? (a) BALL (b) CBMM (c) ZYJJ (d) AZKK
- 27.If LAMP is written as ODPS, how is CAKE written in the same code? (a) FDNH (b) ECMG (c) GEOI (d) ZXHB
- 28.If BALL is written as LLAB, how is CAKE written in the same code? (a) DBLF (b) DJZB (c) EKAC (d) FLBD
- 29.If MILK is written as JKHL, how is PARK written in the same code? (a) JQZO (b) OZQJ (c) KRAP (d) LSBQ
- 30.If WIND is written as YKPF, how is DRUM written in the same code? (a) ESVN (b) BPSK (c) FTWO (d) GUXP
- 31.If DRUM is written as BPSK, how is NEST written in the same code? (a) LCQR (b) PGUV (c) KBPQ (d) MDRS
- 32.If DESK is written as LTFE, how is HAND written in the same code? (a) CMZG (b) DNAH (c) IBOE (d) EOBI
- 33.If FROG is written as IQTH, how is TOYS written in the same code? (a) SYOT (b) QWMR (c) UAQV (d) VQAU
- 34.If BELL is written as LLEB, how is TREE written in the same code? (a) FFSU (b) DDQS (c) EERT (d) USFF
- 35.If COLD is written as EMPD, how is FISH written in the same code? (a) GRHE (b) GJTI (c) ITJG (d) HSIF
- 36.If BALL is written as YZOO, how is KITE written in the same code? (a) OQFU (b) QSHW (c) LJUF (d) PRGV
- 37.If JUMP is written as QFNK, how is PARK written in the same code? (a) KZIP (b) LAJQ (c) QBSL (d) JYHO
- 38.If SHIP is written as OHGR, how is KITE written in the same code? (a) ETIK (b) DSHJ (c) JHSD (d) FUJL
- 39.If JUMP is written as QNVK, how is STAR written in the same code? (a) RATS (b) TUBS (c) SBUT (d) QZSR
- 40.If CAKE is written as DBLF, how is FISH written in the same code? (a) GJTI (b) EHRG (c) HKUJ (d) ITJG
Answer key
- AZKK
- LWOR
- SHQ
- DGQF
- QZSR
- GJTI
- KVM
- HKUJ
- KSED
- ANNJ
- KGJI
- KLIM
- GZMC
- DJZB
- QJIT
- LTFE
- KLIM
- EERT
- YLZG
- VUGP
- EQNF
- CQTL
- EERT
- WVHP
- YZOO
- AZKK
- FDNH
- EKAC
- JQZO
- FTWO
- LCQR
- EOBI
- UAQV
- EERT
- ITJG
- PRGV
- KZIP
- DSHJ
- SBUT
- GJTI
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