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 JUMP is written as HSKN, how is MOON written in the same code? (a) OQQP (b) JLLK (c) LNNM (d) KMML
- 2.If CAKE is written as FLBD, how is PEN written in the same code? (a) OFQ (b) QFO (c) MDO (d) NEP
- 3.If SUN is written as TVO, how is LION written in the same code? (a) MJPO (b) KHNM (c) OPJM (d) NKQP
- 4.If SHIP is written as HSRK, how is HAND written in the same code? (a) RYLV (b) SZMW (c) IBOE (d) TANX
- 5.If CAKE is written as XZPV, how is DRUM written in the same code? (a) XJGO (b) WIFN (c) VHEM (d) ESVN
- 6.If COLD is written as EMPD, how is NEST written in the same code? (a) TSEN (b) SRDM (c) UTFO (d) OFTU
- 7.If JUMP is written as QNVK, how is RAIN written in the same code? (a) NIAR (b) SBJO (c) MHZQ (d) OJBS
- 8.If TOYS is written as GLBH, how is CAKE written in the same code? (a) WYOU (b) YAQW (c) XZPV (d) DBLF
- 9.If MILK is written as NROP, how is PEN written in the same code? (a) QFO (b) KVM (c) LWN (d) JUL
- 10.If SUN is written as MTR, how is BOOK written in the same code? (a) ANNJ (b) KOOB (c) JNNA (d) LPPC
- 11.If CAT is written as XZG, how is KITE written in the same code? (a) LJUF (b) QSHW (c) PRGV (d) OQFU
- 12.If PEN is written as NEP, how is TREE written in the same code? (a) FFSU (b) USFF (c) EERT (d) DDQS
- 13.If GOLD is written as IQNF, how is MOON written in the same code? (a) OQQP (b) NPPO (c) PRRQ (d) KMML
- 14.If LION is written as MNHK, how is PEN written in the same code? (a) ODM (b) OFQ (c) MDO (d) NEP
- 15.If PARK is written as MTCR, how is GOLD written in the same code? (a) DLOG (b) IQNF (c) FNQI (d) BJME
- 16.If LION is written as NKQP, how is DESK written in the same code? (a) EFTL (b) FGUM (c) BCQI (d) GHVN
- 17.If KITE is written as PRGV, how is FISH written in the same code? (a) GJTI (b) TQGR (c) VSIT (d) URHS
- 18.If BOAT is written as UBPC, how is DRUM written in the same code? (a) MURD (b) LTQC (c) NVSE (d) ESVN
- 19.If FROG is written as FNQE, how is LION written in the same code? (a) NOIL (b) OPJM (c) KHNM (d) MNHK
- 20.If PEN is written as NEP, how is DRUM written in the same code? (a) LTQC (b) MURD (c) ESVN (d) NVSE
- 21.If PARK is written as KZIP, how is DRUM written in the same code? (a) VHEM (b) XJGO (c) ESVN (d) WIFN
- 22.If CAT is written as XZG, how is TOYS written in the same code? (a) HMCI (b) UPZT (c) GLBH (d) FKAG
- 23.If CAT is written as UBD, how is TREE written in the same code? (a) USFF (b) FFSU (c) EERT (d) DDQS
- 24.If KITE is written as PRGV, how is TOYS written in the same code? (a) FKAG (b) GLBH (c) HMCI (d) UPZT
- 25.If HAND is written as IBOE, how is FISH written in the same code? (a) HKUJ (b) GJTI (c) ITJG (d) EHRG
- 26.If KITE is written as LJUF, how is BOAT written in the same code? (a) DQCV (b) UBPC (c) CPBU (d) ANZS
- 27.If LION is written as NOIL, how is CAKE written in the same code? (a) DJZB (b) EKAC (c) DBLF (d) FLBD
- 28.If LAMP is written as PMAL, how is CAT written in the same code? (a) DBU (b) UBD (c) SZB (d) TAC
- 29.If DRUM is written as WIFN, how is SUN written in the same code? (a) GEL (b) TVO (c) IGN (d) HFM
- 30.If STAR is written as TUBS, how is HAND written in the same code? (a) IBOE (b) GZMC (c) EOBI (d) JCPF
- 31.If DESK is written as FGUM, how is STAR written in the same code? (a) UVCT (b) TUBS (c) VWDU (d) QRYP
- 32.If PARK is written as KZIP, how is CAT written in the same code? (a) WYF (b) XZG (c) YAH (d) DBU
- 33.If LAMP is written as OZNK, how is CAT written in the same code? (a) YAH (b) WYF (c) XZG (d) DBU
- 34.If LION is written as NKQP, how is MOON written in the same code? (a) NPPO (b) PRRQ (c) KMML (d) OQQP
- 35.If BOAT is written as DQCV, how is PARK written in the same code? (a) SDUN (b) QBSL (c) NYPI (d) RCTM
- 36.If JUMP is written as PMUJ, how is STAR written in the same code? (a) QZSR (b) SBUT (c) TUBS (d) RATS
- 37.If JUMP is written as PMUJ, how is TREE written in the same code? (a) DDQS (b) USFF (c) EERT (d) FFSU
- 38.If PEN is written as OFQ, how is TOYS written in the same code? (a) SYOT (b) TZPU (c) RXNS (d) UPZT
- 39.If GOLD is written as CKNF, how is DOG written in the same code? (a) CNF (b) GOD (c) HPE (d) FNC
- 40.If NEST is written as MVHG, how is COLD written in the same code? (a) XLOW (b) DPME (c) WKNV (d) YMPX
Answer key
- KMML
- OFQ
- MJPO
- SZMW
- WIFN
- UTFO
- OJBS
- XZPV
- KVM
- JNNA
- PRGV
- EERT
- OQQP
- MDO
- FNQI
- FGUM
- URHS
- NVSE
- MNHK
- MURD
- WIFN
- GLBH
- FFSU
- GLBH
- GJTI
- CPBU
- EKAC
- TAC
- HFM
- IBOE
- UVCT
- XZG
- XZG
- OQQP
- RCTM
- RATS
- EERT
- TZPU
- FNC
- XLOW
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