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 SUN is written as NUS, how is STAR written in the same code? (a) TUBS (b) RATS (c) SBUT (d) QZSR
- 2.If HAND is written as GZMC, how is STAR written in the same code? (a) STAR (b) QRYP (c) RSZQ (d) TUBS
- 3.If KITE is written as MKVG, how is BOOK written in the same code? (a) CPPL (b) ERRN (c) DQQM (d) ZMMI
- 4.If DOG is written as GOD, how is BALL written in the same code? (a) LLAB (b) MMBC (c) KKZA (d) CBMM
- 5.If MOON is written as MNNL, how is KITE written in the same code? (a) DSHJ (b) ETIK (c) FUJL (d) JHSD
- 6.If BOAT is written as ERDW, how is FROG written in the same code? (a) JVSK (b) IURJ (c) HTQI (d) COLD
- 7.If DOG is written as HPE, how is PEN written in the same code? (a) OFQ (b) MDO (c) NEP (d) QFO
- 8.If CAT is written as VCE, how is GOLD written in the same code? (a) FNQI (b) IQNF (c) DLOG (d) BJME
- 9.If DESK is written as WVHP, how is PARK written in the same code? (a) QBSL (b) KZIP (c) JYHO (d) LAJQ
- 10.If CAKE is written as DBLF, how is TREE written in the same code? (a) FFSU (b) VTGG (c) USFF (d) SQDD
- 11.If FISH is written as URHS, how is PARK written in the same code? (a) JYHO (b) QBSL (c) LAJQ (d) KZIP
- 12.If WIND is written as DNIW, how is PEN written in the same code? (a) OFQ (b) QFO (c) NEP (d) MDO
- 13.If MOON is written as LNNM, how is PEN written in the same code? (a) QFO (b) PEN (c) NCL (d) ODM
- 14.If FISH is written as HSIF, how is NEST written in the same code? (a) UTFO (b) SRDM (c) OFTU (d) TSEN
- 15.If GOLD is written as EMJB, how is FISH written in the same code? (a) CFPE (b) DGQF (c) HKUJ (d) EHRG
- 16.If STAR is written as VWDU, how is DESK written in the same code? (a) HIWO (b) FGUM (c) GHVN (d) ABPH
- 17.If BOOK is written as JNNA, how is WIND written in the same code? (a) DNIW (b) CMHV (c) VHMC (d) EOJX
- 18.If PEN is written as ODM, how is KITE written in the same code? (a) JHSD (b) KITE (c) IGRC (d) LJUF
- 19.If BOAT is written as TAOB, how is KITE written in the same code? (a) LJUF (b) DSHJ (c) FUJL (d) ETIK
- 20.If STAR is written as SBUT, how is BOAT written in the same code? (a) TAOB (b) CPBU (c) SZNA (d) UBPC
- 21.If TREE is written as GGTV, how is LAMP written in the same code? (a) NCOR (b) NKYJ (c) PMAL (d) ROCN
- 22.If LION is written as NOIL, how is WIND written in the same code? (a) CMHV (b) EOJX (c) DNIW (d) XJOE
- 23.If GOLD is written as FNKC, how is PEN written in the same code? (a) PEN (b) NCL (c) QFO (d) ODM
- 24.If HAND is written as KDQG, how is KITE written in the same code? (a) NLWH (b) MKVG (c) HFQB (d) OMXI
- 25.If BALL is written as YZOO, how is FISH written in the same code? (a) TQGR (b) VSIT (c) GJTI (d) URHS
- 26.If PEN is written as KVM, how is PARK written in the same code? (a) JYHO (b) LAJQ (c) QBSL (d) KZIP
- 27.If LAMP is written as ROCN, how is NEST written in the same code? (a) VUGP (b) PGUV (c) RQCL (d) TSEN
- 28.If SHIP is written as HSRK, how is LION written in the same code? (a) MJPO (b) NQKL (c) ORLM (d) PSMN
- 29.If BELL is written as DGNN, how is LION written in the same code? (a) MJPO (b) JGML (c) OLRQ (d) NKQP
- 30.If STAR is written as SBUT, how is BOOK written in the same code? (a) LPPC (b) JNNA (c) CPPL (d) KOOB
- 31.If BALL is written as MMBC, how is STAR written in the same code? (a) SBUT (b) TUBS (c) RATS (d) QZSR
- 32.If TREE is written as GIVV, how is DRUM written in the same code? (a) XJGO (b) ESVN (c) VHEM (d) WIFN
- 33.If COLD is written as XLOW, how is CAT written in the same code? (a) YAH (b) XZG (c) WYF (d) DBU
- 34.If DRUM is written as MURD, how is KITE written in the same code? (a) LJUF (b) ETIK (c) FUJL (d) DSHJ
- 35.If MILK is written as KLIM, how is BOOK written in the same code? (a) JNNA (b) KOOB (c) LPPC (d) CPPL
- 36.If NEST is written as TSEN, how is DRUM written in the same code? (a) NVSE (b) ESVN (c) MURD (d) LTQC
- 37.If MOON is written as NOOM, how is NEST written in the same code? (a) OFTU (b) UTFO (c) SRDM (d) TSEN
- 38.If STAR is written as RSZQ, how is PARK written in the same code? (a) NYPI (b) QBSL (c) OZQJ (d) PARK
- 39.If DOG is written as WLT, how is TREE written in the same code? (a) USFF (b) HJWW (c) FHUU (d) GIVV
- 40.If LION is written as ORLM, how is KITE written in the same code? (a) OQFU (b) QSHW (c) PRGV (d) LJUF
Answer key
- RATS
- RSZQ
- DQQM
- LLAB
- DSHJ
- IURJ
- OFQ
- FNQI
- KZIP
- USFF
- KZIP
- NEP
- ODM
- TSEN
- DGQF
- GHVN
- CMHV
- JHSD
- ETIK
- UBPC
- ROCN
- DNIW
- ODM
- NLWH
- URHS
- KZIP
- VUGP
- ORLM
- NKQP
- LPPC
- SBUT
- WIFN
- XZG
- ETIK
- KOOB
- MURD
- TSEN
- OZQJ
- GIVV
- PRGV
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