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 CAKE is written as XZPV, how is PEN written in the same code? (a) JUL (b) QFO (c) LWN (d) KVM
- 2.If DRUM is written as WIFN, how is BALL written in the same code? (a) XYNN (b) CBMM (c) YZOO (d) ZAPP
- 3.If CAKE is written as XZPV, how is TREE written in the same code? (a) FHUU (b) HJWW (c) USFF (d) GIVV
- 4.If LION is written as ORLM, how is FISH written in the same code? (a) URHS (b) GJTI (c) TQGR (d) VSIT
- 5.If MOON is written as NOOM, how is RAIN written in the same code? (a) NIAR (b) MHZQ (c) OJBS (d) SBJO
- 6.If GOLD is written as IQNF, how is MOON written in the same code? (a) NPPO (b) PRRQ (c) KMML (d) OQQP
- 7.If SUN is written as OVT, how is RAIN written in the same code? (a) MHZQ (b) NIAR (c) OJBS (d) SBJO
- 8.If MOON is written as PQQO, how is CAT written in the same code? (a) TAC (b) ECV (c) RYA (d) VCE
- 9.If BOOK is written as YLLP, how is JUMP written in the same code? (a) RGOL (b) PEMJ (c) QFNK (d) KVNQ
- 10.If TREE is written as GGTV, how is FROG written in the same code? (a) EMPD (b) GORF (c) HTQI (d) IQTH
- 11.If JUMP is written as QFNK, how is STAR written in the same code? (a) IHAJ (b) HGZI (c) GFYH (d) TUBS
- 12.If TREE is written as FFSU, how is GOLD written in the same code? (a) EMPH (b) HPME (c) DLOG (d) CKNF
- 13.If JUMP is written as QNVK, how is MILK written in the same code? (a) JKHL (b) NJML (c) LMJN (d) KLIM
- 14.If PEN is written as MDO, how is LION written in the same code? (a) OPJM (b) NOIL (c) KHNM (d) MNHK
- 15.If WIND is written as DRMW, how is CAT written in the same code? (a) XZG (b) WYF (c) DBU (d) YAH
- 16.If SUN is written as UWP, how is BOAT written in the same code? (a) ERDW (b) CPBU (c) ZMYR (d) DQCV
- 17.If LAMP is written as PMAL, how is DRUM written in the same code? (a) MURD (b) LTQC (c) NVSE (d) ESVN
- 18.If MILK is written as KLIM, how is TOYS written in the same code? (a) TZPU (b) RXNS (c) SYOT (d) UPZT
- 19.If BOAT is written as ERDW, how is MOON written in the same code? (a) OQQP (b) PRRQ (c) JLLK (d) QSSR
- 20.If RAIN is written as QZHM, how is BOOK written in the same code? (a) ANNJ (b) BOOK (c) ZMMI (d) CPPL
- 21.If COLD is written as DLOC, how is LAMP written in the same code? (a) MBNQ (b) OLZK (c) QNBM (d) PMAL
- 22.If TOYS is written as GLBH, how is BOOK written in the same code? (a) YLLP (b) XKKO (c) ZMMQ (d) CPPL
- 23.If LION is written as NOIL, how is MOON written in the same code? (a) NPPO (b) MNNL (c) NOOM (d) OPPN
- 24.If BELL is written as LLEB, how is FROG written in the same code? (a) GSPH (b) FNQE (c) HPSG (d) GORF
- 25.If TOYS is written as SNXR, how is MILK written in the same code? (a) MILK (b) NJML (c) KGJI (d) LHKJ
- 26.If HAND is written as SZMW, how is COLD written in the same code? (a) DPME (b) XLOW (c) YMPX (d) WKNV
- 27.If LAMP is written as PMAL, how is MOON written in the same code? (a) OPPN (b) MNNL (c) NOOM (d) NPPO
- 28.If BALL is written as YZOO, how is PARK written in the same code? (a) JYHO (b) KZIP (c) LAJQ (d) QBSL
- 29.If CAT is written as DBU, how is STAR written in the same code? (a) SBUT (b) UVCT (c) TUBS (d) RSZQ
- 30.If WIND is written as FPKY, how is DOG written in the same code? (a) IQF (b) EMB (c) GOD (d) FQI
- 31.If SHIP is written as HSRK, how is CAKE written in the same code? (a) YAQW (b) WYOU (c) XZPV (d) DBLF
- 32.If MOON is written as NLLM, how is DOG written in the same code? (a) EPH (b) WLT (c) VKS (d) XMU
- 33.If BOOK is written as JNNA, how is CAKE written in the same code? (a) FLBD (b) DJZB (c) EKAC (d) BZJD
- 34.If PARK is written as KZIP, how is CAT written in the same code? (a) YAH (b) WYF (c) DBU (d) XZG
- 35.If KITE is written as PRGV, how is FISH written in the same code? (a) VSIT (b) TQGR (c) GJTI (d) URHS
- 36.If FISH is written as ILVK, how is DRUM written in the same code? (a) FTWO (b) AORJ (c) GUXP (d) HVYQ
- 37.If KITE is written as ETIK, how is STAR written in the same code? (a) QZSR (b) RATS (c) TUBS (d) SBUT
- 38.If CAKE is written as BZJD, how is SUN written in the same code? (a) TVO (b) SUN (c) RTM (d) QSL
- 39.If JUMP is written as PMUJ, how is NEST written in the same code? (a) SRDM (b) OFTU (c) UTFO (d) TSEN
- 40.If FISH is written as HSIF, how is PARK written in the same code? (a) JQZO (b) QBSL (c) KRAP (d) LSBQ
Answer key
- KVM
- YZOO
- GIVV
- URHS
- NIAR
- OQQP
- OJBS
- VCE
- QFNK
- IQTH
- HGZI
- EMPH
- LMJN
- MNHK
- XZG
- DQCV
- MURD
- SYOT
- PRRQ
- ANNJ
- PMAL
- YLLP
- NOOM
- GORF
- LHKJ
- XLOW
- NOOM
- KZIP
- TUBS
- IQF
- XZPV
- WLT
- DJZB
- XZG
- URHS
- GUXP
- RATS
- RTM
- TSEN
- KRAP
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