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 BOOK is written as ZMMI, how is BOAT written in the same code? (a) ZMYR (b) DQCV (c) YLXQ (d) ANZS
- 2.If PEN is written as OFQ, how is MILK written in the same code? (a) LMJN (b) JKHL (c) NJML (d) KLIM
- 3.If WIND is written as XJOE, how is COLD written in the same code? (a) EMPD (b) DPME (c) BNKC (d) EQNF
- 4.If KITE is written as PRGV, how is FISH written in the same code? (a) GJTI (b) URHS (c) TQGR (d) VSIT
- 5.If SUN is written as MTR, how is PARK written in the same code? (a) LSBQ (b) JQZO (c) KRAP (d) OZQJ
- 6.If JUMP is written as PMUJ, how is TOYS written in the same code? (a) UPZT (b) SYOT (c) TZPU (d) RXNS
- 7.If SHIP is written as PIHS, how is MILK written in the same code? (a) LMJN (b) NJML (c) KLIM (d) JKHL
- 8.If MOON is written as NLLM, how is BOOK written in the same code? (a) ZMMQ (b) YLLP (c) CPPL (d) XKKO
- 9.If COLD is written as DLOC, how is RAIN written in the same code? (a) SBJO (b) OJBS (c) NIAR (d) MHZQ
- 10.If MOON is written as MNNL, how is CAKE written in the same code? (a) DJZB (b) EKAC (c) BZJD (d) FLBD
- 11.If SUN is written as MTR, how is DOG written in the same code? (a) CNF (b) HPE (c) GOD (d) FNC
- 12.If TREE is written as EERT, how is BALL written in the same code? (a) CBMM (b) KKZA (c) MMBC (d) LLAB
- 13.If MOON is written as NPPO, how is GOLD written in the same code? (a) EMPH (b) IQNF (c) FNKC (d) HPME
- 14.If FROG is written as IURJ, how is DESK written in the same code? (a) ABPH (b) GHVN (c) FGUM (d) HIWO
- 15.If BALL is written as YZOO, how is BOAT written in the same code? (a) CPBU (b) YLZG (c) XKYF (d) ZMAH
- 16.If DESK is written as WVHP, how is TREE written in the same code? (a) HJWW (b) USFF (c) FHUU (d) GIVV
- 17.If GOLD is written as DLOG, how is JUMP written in the same code? (a) KVNQ (b) OLTI (c) QNVK (d) PMUJ
- 18.If SHIP is written as PIHS, how is MOON written in the same code? (a) NPPO (b) OPPN (c) NOOM (d) MNNL
- 19.If BALL is written as YZOO, how is HAND written in the same code? (a) RYLV (b) IBOE (c) TANX (d) SZMW
- 20.If DOG is written as WLT, how is BOAT written in the same code? (a) YLZG (b) XKYF (c) ZMAH (d) CPBU
- 21.If GOLD is written as FNKC, how is HAND written in the same code? (a) HAND (b) GZMC (c) FYLB (d) IBOE
- 22.If LAMP is written as PMAL, how is JUMP written in the same code? (a) KVNQ (b) QNVK (c) OLTI (d) PMUJ
- 23.If STAR is written as TUBS, how is CAT written in the same code? (a) DBU (b) ECV (c) BZS (d) UBD
- 24.If RAIN is written as IZRM, how is JUMP written in the same code? (a) KVNQ (b) PEMJ (c) QFNK (d) RGOL
- 25.If TOYS is written as SNXR, how is LION written in the same code? (a) LION (b) JGML (c) MJPO (d) KHNM
- 26.If NEST is written as TSEN, how is BOOK written in the same code? (a) KOOB (b) JNNA (c) CPPL (d) LPPC
- 27.If SUN is written as NUS, how is BOOK written in the same code? (a) LPPC (b) JNNA (c) CPPL (d) KOOB
- 28.If DOG is written as WLT, how is DRUM written in the same code? (a) VHEM (b) XJGO (c) WIFN (d) ESVN
- 29.If CAT is written as TAC, how is BOOK written in the same code? (a) LPPC (b) JNNA (c) CPPL (d) KOOB
- 30.If MILK is written as KLIM, how is FISH written in the same code? (a) GJTI (b) ITJG (c) GRHE (d) HSIF
- 31.If FISH is written as URHS, how is RAIN written in the same code? (a) HYQL (b) JASN (c) IZRM (d) SBJO
- 32.If KITE is written as PRGV, how is TREE written in the same code? (a) GIVV (b) FHUU (c) USFF (d) HJWW
- 33.If BELL is written as YVOO, how is DESK written in the same code? (a) EFTL (b) VUGO (c) XWIQ (d) WVHP
- 34.If TOYS is written as SYOT, how is KITE written in the same code? (a) LJUF (b) DSHJ (c) ETIK (d) FUJL
- 35.If BALL is written as LLAB, how is DOG written in the same code? (a) EPH (b) FNC (c) GOD (d) HPE
- 36.If BOOK is written as ANNJ, how is SUN written in the same code? (a) TVO (b) SUN (c) QSL (d) RTM
- 37.If BOAT is written as TAOB, how is TREE written in the same code? (a) EERT (b) DDQS (c) USFF (d) FFSU
- 38.If TOYS is written as GLBH, how is CAT written in the same code? (a) WYF (b) DBU (c) XZG (d) YAH
- 39.If STAR is written as HGZI, how is PARK written in the same code? (a) LAJQ (b) KZIP (c) QBSL (d) JYHO
- 40.If SHIP is written as QJIT, how is LAMP written in the same code? (a) OLZK (b) PMAL (c) QNBM (d) MBNQ
Answer key
- ZMYR
- LMJN
- DPME
- URHS
- JQZO
- SYOT
- KLIM
- YLLP
- NIAR
- DJZB
- FNC
- LLAB
- HPME
- GHVN
- YLZG
- GIVV
- PMUJ
- NOOM
- SZMW
- YLZG
- GZMC
- PMUJ
- DBU
- QFNK
- KHNM
- KOOB
- KOOB
- WIFN
- KOOB
- HSIF
- IZRM
- GIVV
- WVHP
- ETIK
- GOD
- RTM
- EERT
- XZG
- KZIP
- QNBM
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