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 KITE is written as PRGV, how is DRUM written in the same code? (a) WIFN (b) ESVN (c) XJGO (d) VHEM
- 2.If HAND is written as SZMW, how is BALL written in the same code? (a) CBMM (b) XYNN (c) ZAPP (d) YZOO
- 3.If PEN is written as KVM, how is DESK written in the same code? (a) EFTL (b) VUGO (c) WVHP (d) XWIQ
- 4.If FROG is written as IQTH, how is LION written in the same code? (a) LMGJ (b) PQKN (c) NOIL (d) NKQP
- 5.If RAIN is written as IZRM, how is BELL written in the same code? (a) YVOO (b) CFMM (c) ZWPP (d) XUNN
- 6.If PEN is written as KVM, how is TREE written in the same code? (a) USFF (b) HJWW (c) FHUU (d) GIVV
- 7.If FISH is written as EHRG, how is SHIP written in the same code? (a) SHIP (b) RGHO (c) TIJQ (d) QFGN
- 8.If HAND is written as KDQG, how is DESK written in the same code? (a) FGUM (b) GHVN (c) ABPH (d) HIWO
- 9.If PARK is written as LSBQ, how is TREE written in the same code? (a) EERT (b) FFSU (c) USFF (d) DDQS
- 10.If BELL is written as LLEB, how is WIND written in the same code? (a) DNIW (b) CMHV (c) EOJX (d) XJOE
- 11.If TREE is written as GIVV, how is PARK written in the same code? (a) LAJQ (b) KZIP (c) JYHO (d) QBSL
- 12.If BELL is written as NNGD, how is PEN written in the same code? (a) NEP (b) LCN (c) RGP (d) PGR
- 13.If RAIN is written as OJBS, how is LION written in the same code? (a) MJPO (b) NOIL (c) MNHK (d) OPJM
- 14.If COLD is written as DLOC, how is BALL written in the same code? (a) CBMM (b) MMBC (c) LLAB (d) KKZA
- 15.If GOLD is written as HPME, how is MILK written in the same code? (a) LHKJ (b) LMJN (c) OKNM (d) NJML
- 16.If NEST is written as TSEN, how is BOOK written in the same code? (a) CPPL (b) KOOB (c) JNNA (d) LPPC
- 17.If BOAT is written as CPBU, how is TOYS written in the same code? (a) SNXR (b) UPZT (c) TZPU (d) VQAU
- 18.If TREE is written as FFSU, how is COLD written in the same code? (a) DLOC (b) CKNB (c) EMPD (d) DPME
- 19.If BOAT is written as YLZG, how is DOG written in the same code? (a) XMU (b) VKS (c) EPH (d) WLT
- 20.If CAT is written as TAC, how is BOOK written in the same code? (a) KOOB (b) JNNA (c) LPPC (d) CPPL
- 21.If GOLD is written as TLOW, how is DRUM written in the same code? (a) XJGO (b) WIFN (c) VHEM (d) ESVN
- 22.If SUN is written as HFM, how is FISH written in the same code? (a) VSIT (b) TQGR (c) URHS (d) GJTI
- 23.If BOAT is written as ZMYR, how is TOYS written in the same code? (a) QLVP (b) SNXR (c) RMWQ (d) VQAU
- 24.If PEN is written as OFQ, how is CAT written in the same code? (a) TAC (b) UBD (c) SZB (d) DBU
- 25.If BELL is written as MMFC, how is TREE written in the same code? (a) DDQS (b) EERT (c) FFSU (d) USFF
- 26.If SUN is written as NUS, how is DRUM written in the same code? (a) NVSE (b) ESVN (c) LTQC (d) MURD
- 27.If FISH is written as URHS, how is LION written in the same code? (a) PSMN (b) ORLM (c) MJPO (d) NQKL
- 28.If BOOK is written as YLLP, how is HAND written in the same code? (a) IBOE (b) RYLV (c) TANX (d) SZMW
- 29.If KITE is written as GVKM, how is TREE written in the same code? (a) VTGG (b) EERT (c) GGTV (d) CCPR
- 30.If PEN is written as QFO, how is FROG written in the same code? (a) HTQI (b) HPSG (c) EQNF (d) GSPH
- 31.If BOOK is written as KOOB, how is SUN written in the same code? (a) TVO (b) OVT (c) NUS (d) MTR
- 32.If TREE is written as GGTV, how is CAKE written in the same code? (a) CIYA (b) GMCE (c) ECMG (d) EKAC
- 33.If NEST is written as MVHG, how is SHIP written in the same code? (a) TIJQ (b) ITSL (c) HSRK (d) GRQJ
- 34.If BOAT is written as TAOB, how is JUMP written in the same code? (a) QNVK (b) OLTI (c) KVNQ (d) PMUJ
- 35.If JUMP is written as HSKN, how is SHIP written in the same code? (a) PEFM (b) RGHO (c) QFGN (d) UJKR
- 36.If COLD is written as DLOC, how is BELL written in the same code? (a) MMFC (b) CFMM (c) KKDA (d) LLEB
- 37.If SUN is written as RTM, how is LION written in the same code? (a) KHNM (b) JGML (c) LION (d) MJPO
- 38.If WIND is written as DNIW, how is BALL written in the same code? (a) MMBC (b) KKZA (c) LLAB (d) CBMM
- 39.If TREE is written as FFSU, how is GOLD written in the same code? (a) EMPH (b) HPME (c) CKNF (d) DLOG
- 40.If BELL is written as YVOO, how is PARK written in the same code? (a) KZIP (b) LAJQ (c) JYHO (d) QBSL
Answer key
- WIFN
- YZOO
- WVHP
- PQKN
- YVOO
- GIVV
- RGHO
- GHVN
- FFSU
- DNIW
- KZIP
- PGR
- OPJM
- LLAB
- NJML
- KOOB
- UPZT
- EMPD
- WLT
- KOOB
- WIFN
- URHS
- RMWQ
- UBD
- FFSU
- MURD
- ORLM
- SZMW
- GGTV
- GSPH
- NUS
- GMCE
- HSRK
- PMUJ
- QFGN
- LLEB
- KHNM
- LLAB
- EMPH
- KZIP
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