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 PARK is written as QBSL, how is BOOK written in the same code? (a) DQQM (b) LPPC (c) ANNJ (d) CPPL
- 2.If TREE is written as FFSU, how is NEST written in the same code? (a) OFTU (b) UTFO (c) SRDM (d) TSEN
- 3.If MILK is written as KGJI, how is KITE written in the same code? (a) IGRC (b) HFQB (c) JHSD (d) MKVG
- 4.If TOYS is written as GLBH, how is FROG written in the same code? (a) GSPH (b) VJMU (c) THKS (d) UILT
- 5.If DOG is written as GOD, how is BELL written in the same code? (a) CFMM (b) MMFC (c) LLEB (d) KKDA
- 6.If GOLD is written as FNKC, how is DOG written in the same code? (a) BME (b) CNF (c) DOG (d) EPH
- 7.If KITE is written as FUJL, how is TOYS written in the same code? (a) UPZT (b) RXNS (c) SYOT (d) TZPU
- 8.If SUN is written as TVO, how is WIND written in the same code? (a) EOJX (b) XJOE (c) VHMC (d) YKPF
- 9.If KITE is written as PRGV, how is SUN written in the same code? (a) IGN (b) TVO (c) HFM (d) GEL
- 10.If TREE is written as GIVV, how is SUN written in the same code? (a) HFM (b) IGN (c) GEL (d) TVO
- 11.If CAT is written as XZG, how is SHIP written in the same code? (a) ITSL (b) HSRK (c) GRQJ (d) TIJQ
- 12.If FISH is written as GRHE, how is STAR written in the same code? (a) RATS (b) QZSR (c) RSZQ (d) SBUT
- 13.If GOLD is written as TLOW, how is FISH written in the same code? (a) VSIT (b) TQGR (c) GJTI (d) URHS
- 14.If KITE is written as JHSD, how is TREE written in the same code? (a) SQDD (b) USFF (c) RPCC (d) TREE
- 15.If CAKE is written as XZPV, how is DRUM written in the same code? (a) ESVN (b) WIFN (c) VHEM (d) XJGO
- 16.If GOLD is written as EMPH, how is STAR written in the same code? (a) RATS (b) QZSR (c) SBUT (d) TUBS
- 17.If CAT is written as FDW, how is MILK written in the same code? (a) QMPO (b) JFIH (c) OKNM (d) PLON
- 18.If TREE is written as DDQS, how is MOON written in the same code? (a) MNNL (b) OPPN (c) LNNM (d) NOOM
- 19.If COLD is written as DLOC, how is PEN written in the same code? (a) NEP (b) QFO (c) MDO (d) OFQ
- 20.If BOAT is written as SZNA, how is LION written in the same code? (a) MNHK (b) KHNM (c) OPJM (d) NOIL
- 21.If SUN is written as NUS, how is GOLD written in the same code? (a) CKNF (b) EMPH (c) DLOG (d) HPME
- 22.If PARK is written as KRAP, how is DOG written in the same code? (a) EPH (b) GOD (c) HPE (d) FNC
- 23.If STAR is written as RSZQ, how is BELL written in the same code? (a) CFMM (b) ZCJJ (c) ADKK (d) BELL
- 24.If STAR is written as HGZI, how is RAIN written in the same code? (a) SBJO (b) JASN (c) IZRM (d) HYQL
- 25.If CAKE is written as XZPV, how is BOAT written in the same code? (a) CPBU (b) ZMAH (c) XKYF (d) YLZG
- 26.If JUMP is written as OLTI, how is PARK written in the same code? (a) KRAP (b) LSBQ (c) JQZO (d) OZQJ
- 27.If FISH is written as HSIF, how is NEST written in the same code? (a) OFTU (b) SRDM (c) UTFO (d) TSEN
- 28.If PARK is written as KZIP, how is DESK written in the same code? (a) EFTL (b) VUGO (c) WVHP (d) XWIQ
- 29.If PEN is written as NEP, how is KITE written in the same code? (a) ETIK (b) DSHJ (c) FUJL (d) LJUF
- 30.If TOYS is written as UPZT, how is COLD written in the same code? (a) EQNF (b) BNKC (c) DPME (d) EMPD
- 31.If BOOK is written as ZMMI, how is MOON written in the same code? (a) JLLK (b) KMML (c) LNNM (d) OQQP
- 32.If RAIN is written as NIAR, how is PARK written in the same code? (a) LSBQ (b) KRAP (c) QBSL (d) JQZO
- 33.If SHIP is written as RKJU, how is RAIN written in the same code? (a) TCKP (b) NIAR (c) LGYP (d) PKCT
- 34.If SUN is written as OVT, how is JUMP written in the same code? (a) QNVK (b) OLTI (c) KVNQ (d) PMUJ
- 35.If BOOK is written as CPPL, how is BELL written in the same code? (a) MMFC (b) CFMM (c) ADKK (d) DGNN
- 36.If FROG is written as UILT, how is PARK written in the same code? (a) JYHO (b) QBSL (c) LAJQ (d) KZIP
- 37.If TREE is written as USFF, how is DOG written in the same code? (a) HPE (b) EPH (c) FQI (d) CNF
- 38.If LAMP is written as OZNK, how is CAKE written in the same code? (a) WYOU (b) YAQW (c) DBLF (d) XZPV
- 39.If TOYS is written as SYOT, how is LAMP written in the same code? (a) QNBM (b) MBNQ (c) PMAL (d) OLZK
- 40.If BOAT is written as TAOB, how is FROG written in the same code? (a) HPSG (b) FNQE (c) GORF (d) GSPH
Answer key
- CPPL
- UTFO
- IGRC
- UILT
- LLEB
- CNF
- TZPU
- XJOE
- HFM
- HFM
- HSRK
- QZSR
- URHS
- SQDD
- WIFN
- SBUT
- PLON
- MNNL
- NEP
- MNHK
- DLOG
- GOD
- ADKK
- IZRM
- YLZG
- JQZO
- TSEN
- WVHP
- ETIK
- DPME
- KMML
- KRAP
- PKCT
- QNVK
- CFMM
- KZIP
- EPH
- XZPV
- PMAL
- GORF
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