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 MOON is written as NOOM, how is COLD written in the same code? (a) DPME (b) EMPD (c) CKNB (d) DLOC
- 2.If NEST is written as VUGP, how is MOON written in the same code? (a) NOOM (b) OQQP (c) PQQO (d) LMMK
- 3.If FROG is written as IURJ, how is STAR written in the same code? (a) WXEV (b) UVCT (c) PQXO (d) VWDU
- 4.If TREE is written as VTGG, how is CAKE written in the same code? (a) ECMG (b) AYIC (c) FDNH (d) DBLF
- 5.If DOG is written as HPE, how is PARK written in the same code? (a) QBSL (b) LSBQ (c) KRAP (d) JQZO
- 6.If RAIN is written as IZRM, how is COLD written in the same code? (a) DPME (b) WKNV (c) YMPX (d) XLOW
- 7.If MILK is written as NROP, how is GOLD written in the same code? (a) TLOW (b) UMPX (c) HPME (d) SKNV
- 8.If CAT is written as XZG, how is DRUM written in the same code? (a) VHEM (b) XJGO (c) ESVN (d) WIFN
- 9.If TREE is written as DDQS, how is FISH written in the same code? (a) HSIF (b) ITJG (c) GRHE (d) EHRG
- 10.If BALL is written as ZYJJ, how is SUN written in the same code? (a) RTM (b) PRK (c) QSL (d) UWP
- 11.If WIND is written as XJOE, how is HAND written in the same code? (a) EOBI (b) IBOE (c) GZMC (d) JCPF
- 12.If DRUM is written as WIFN, how is CAKE written in the same code? (a) XZPV (b) WYOU (c) YAQW (d) DBLF
- 13.If STAR is written as RATS, how is RAIN written in the same code? (a) MHZQ (b) OJBS (c) NIAR (d) SBJO
- 14.If DOG is written as GOD, how is BALL written in the same code? (a) MMBC (b) KKZA (c) CBMM (d) LLAB
- 15.If MILK is written as LMJN, how is COLD written in the same code? (a) EMPD (b) DPME (c) CKNB (d) DLOC
- 16.If SHIP is written as PIHS, how is LAMP written in the same code? (a) QNBM (b) MBNQ (c) OLZK (d) PMAL
- 17.If GOLD is written as DLOG, how is CAT written in the same code? (a) DBU (b) UBD (c) SZB (d) TAC
- 18.If PARK is written as KZIP, how is FROG written in the same code? (a) GSPH (b) THKS (c) UILT (d) VJMU
- 19.If STAR is written as TUBS, how is RAIN written in the same code? (a) TCKP (b) SBJO (c) OJBS (d) QZHM
- 20.If CAKE is written as FLBD, how is LAMP written in the same code? (a) PMAL (b) MBNQ (c) QNBM (d) OLZK
- 21.If STAR is written as VWDU, how is MILK written in the same code? (a) QMPO (b) PLON (c) OKNM (d) JFIH
- 22.If MILK is written as JKHL, how is TOYS written in the same code? (a) SNXR (b) RXNS (c) TZPU (d) SYOT
- 23.If BELL is written as YVOO, how is MOON written in the same code? (a) NLLM (b) NPPO (c) OMMN (d) MKKL
- 24.If DESK is written as WVHP, how is PEN written in the same code? (a) LWN (b) JUL (c) KVM (d) QFO
- 25.If PEN is written as PGR, how is RAIN written in the same code? (a) NIAR (b) LGYP (c) PKCT (d) TCKP
- 26.If WIND is written as DRMW, how is RAIN written in the same code? (a) HYQL (b) SBJO (c) JASN (d) IZRM
- 27.If LION is written as ORLM, how is FISH written in the same code? (a) GJTI (b) URHS (c) VSIT (d) TQGR
- 28.If BOAT is written as TAOB, how is TREE written in the same code? (a) FFSU (b) EERT (c) DDQS (d) USFF
- 29.If PARK is written as MTCR, how is WIND written in the same code? (a) YKPF (b) BLGU (c) FPKY (d) DNIW
- 30.If WIND is written as XJOE, how is RAIN written in the same code? (a) QZHM (b) SBJO (c) OJBS (d) TCKP
- 31.If PEN is written as MDO, how is DESK written in the same code? (a) KSED (b) LTFE (c) JRDC (d) CDRJ
- 32.If LION is written as ORLM, how is JUMP written in the same code? (a) RGOL (b) QFNK (c) KVNQ (d) PEMJ
- 33.If LAMP is written as PMAL, how is CAT written in the same code? (a) UBD (b) DBU (c) TAC (d) SZB
- 34.If SUN is written as TVO, how is JUMP written in the same code? (a) ITLO (b) LWOR (c) QNVK (d) KVNQ
- 35.If FROG is written as GORF, how is LAMP written in the same code? (a) MBNQ (b) QNBM (c) PMAL (d) OLZK
- 36.If DRUM is written as MURD, how is HAND written in the same code? (a) CMZG (b) DNAH (c) EOBI (d) IBOE
- 37.If FISH is written as ILVK, how is SHIP written in the same code? (a) UJKR (b) PEFM (c) VKLS (d) WLMT
- 38.If FROG is written as IQTH, how is SHIP written in the same code? (a) PIHS (b) NGFQ (c) UJKR (d) RKJU
- 39.If LION is written as MJPO, how is TOYS written in the same code? (a) UPZT (b) TZPU (c) SNXR (d) VQAU
- 40.If JUMP is written as PMUJ, how is BOAT written in the same code? (a) SZNA (b) UBPC (c) CPBU (d) TAOB
Answer key
- DLOC
- PQQO
- VWDU
- ECMG
- LSBQ
- XLOW
- TLOW
- WIFN
- GRHE
- QSL
- IBOE
- XZPV
- NIAR
- LLAB
- EMPD
- PMAL
- TAC
- UILT
- SBJO
- QNBM
- PLON
- RXNS
- NLLM
- KVM
- PKCT
- IZRM
- URHS
- EERT
- FPKY
- SBJO
- JRDC
- QFNK
- TAC
- KVNQ
- PMAL
- DNAH
- VKLS
- RKJU
- UPZT
- TAOB
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