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 STAR is written as RATS, how is CAKE written in the same code? (a) DBLF (b) FLBD (c) EKAC (d) DJZB
- 2.If PEN is written as NEP, how is DOG written in the same code? (a) EPH (b) HPE (c) FNC (d) GOD
- 3.If BOAT is written as TAOB, how is BOOK written in the same code? (a) KOOB (b) JNNA (c) LPPC (d) CPPL
- 4.If COLD is written as FROG, how is TREE written in the same code? (a) WUHH (b) VTGG (c) XVII (d) QOBB
- 5.If MILK is written as NROP, how is HAND written in the same code? (a) RYLV (b) SZMW (c) TANX (d) IBOE
- 6.If SUN is written as TVO, how is PEN written in the same code? (a) RGP (b) QFO (c) OFQ (d) ODM
- 7.If SHIP is written as PIHS, how is NEST written in the same code? (a) OFTU (b) TSEN (c) UTFO (d) SRDM
- 8.If PEN is written as PGR, how is CAKE written in the same code? (a) GMCE (b) ECMG (c) CIYA (d) EKAC
- 9.If PARK is written as KZIP, how is TREE written in the same code? (a) USFF (b) HJWW (c) FHUU (d) GIVV
- 10.If FISH is written as HSIF, how is CAKE written in the same code? (a) FLBD (b) DJZB (c) DBLF (d) EKAC
- 11.If PEN is written as ODM, how is CAT written in the same code? (a) AYR (b) DBU (c) BZS (d) CAT
- 12.If KITE is written as NLWH, how is TREE written in the same code? (a) QOBB (b) XVII (c) WUHH (d) VTGG
- 13.If GOLD is written as DLOG, how is TREE written in the same code? (a) USFF (b) FFSU (c) EERT (d) DDQS
- 14.If PEN is written as SHQ, how is LAMP written in the same code? (a) PEQT (b) NCOR (c) IXJM (d) ODPS
- 15.If FROG is written as UILT, how is COLD written in the same code? (a) WKNV (b) XLOW (c) DPME (d) YMPX
- 16.If TREE is written as GGTV, how is SHIP written in the same code? (a) RKJU (b) UJKR (c) PIHS (d) NGFQ
- 17.If KITE is written as IGRC, how is BALL written in the same code? (a) DCNN (b) YXII (c) AZKK (d) ZYJJ
- 18.If PARK is written as LSBQ, how is WIND written in the same code? (a) DNIW (b) XJOE (c) EOJX (d) CMHV
- 19.If WIND is written as DRMW, how is RAIN written in the same code? (a) HYQL (b) IZRM (c) JASN (d) SBJO
- 20.If WIND is written as XJOE, how is LAMP written in the same code? (a) NCOR (b) KZLO (c) QNBM (d) MBNQ
- 21.If HAND is written as FYLB, how is MOON written in the same code? (a) LNNM (b) KMML (c) OQQP (d) JLLK
- 22.If BOOK is written as ZMMI, how is LAMP written in the same code? (a) JYKN (b) KZLO (c) NCOR (d) IXJM
- 23.If PARK is written as QBSL, how is PEN written in the same code? (a) RGP (b) ODM (c) QFO (d) OFQ
- 24.If DOG is written as HPE, how is MILK written in the same code? (a) LMJN (b) NJML (c) JKHL (d) KLIM
- 25.If FISH is written as DGQF, how is LION written in the same code? (a) IFLK (b) NKQP (c) JGML (d) KHNM
- 26.If LION is written as NOIL, how is TOYS written in the same code? (a) TZPU (b) RXNS (c) UPZT (d) SYOT
- 27.If CAT is written as VCE, how is COLD written in the same code? (a) BJMA (b) FNQE (c) EQNF (d) DLOC
- 28.If LAMP is written as OZNK, how is GOLD written in the same code? (a) UMPX (b) HPME (c) SKNV (d) TLOW
- 29.If CAT is written as SZB, how is BOOK written in the same code? (a) JNNA (b) ANNJ (c) KOOB (d) LPPC
- 30.If CAT is written as TAC, how is BOOK written in the same code? (a) JNNA (b) CPPL (c) LPPC (d) KOOB
- 31.If TOYS is written as UAQV, how is HAND written in the same code? (a) JCPF (b) BLYF (c) FPCJ (d) DNAH
- 32.If DESK is written as WVHP, how is PEN written in the same code? (a) QFO (b) LWN (c) JUL (d) KVM
- 33.If RAIN is written as SBJO, how is COLD written in the same code? (a) BNKC (b) EQNF (c) EMPD (d) DPME
- 34.If PEN is written as NEP, how is LION written in the same code? (a) MJPO (b) MNHK (c) OPJM (d) NOIL
- 35.If KITE is written as JHSD, how is FISH written in the same code? (a) DGQF (b) FISH (c) EHRG (d) GJTI
- 36.If WIND is written as ZLQG, how is CAT written in the same code? (a) GEX (b) FDW (c) ZXQ (d) ECV
- 37.If BOOK is written as MQQD, how is TREE written in the same code? (a) VTGG (b) GGTV (c) EERT (d) CCPR
- 38.If RAIN is written as NIAR, how is LAMP written in the same code? (a) QNBM (b) OLZK (c) PMAL (d) MBNQ
- 39.If DRUM is written as WIFN, how is FROG written in the same code? (a) UILT (b) VJMU (c) THKS (d) GSPH
- 40.If CAKE is written as XZPV, how is SHIP written in the same code? (a) TIJQ (b) ITSL (c) GRQJ (d) HSRK
Answer key
- EKAC
- GOD
- KOOB
- WUHH
- SZMW
- QFO
- TSEN
- GMCE
- GIVV
- EKAC
- BZS
- WUHH
- EERT
- ODPS
- XLOW
- RKJU
- ZYJJ
- EOJX
- IZRM
- MBNQ
- KMML
- JYKN
- QFO
- LMJN
- JGML
- SYOT
- FNQE
- TLOW
- JNNA
- KOOB
- FPCJ
- KVM
- DPME
- NOIL
- EHRG
- FDW
- GGTV
- PMAL
- UILT
- HSRK
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