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 FISH is written as GRHE, how is BELL written in the same code? (a) KKDA (b) MMFC (c) LLEB (d) ADKK
- 2.If PEN is written as SHQ, how is FISH written in the same code? (a) JMWL (b) ILVK (c) HKUJ (d) CFPE
- 3.If PEN is written as NEP, how is BOAT written in the same code? (a) SZNA (b) UBPC (c) TAOB (d) CPBU
- 4.If BOAT is written as YLZG, how is PEN written in the same code? (a) LWN (b) KVM (c) QFO (d) JUL
- 5.If CAT is written as SZB, how is SHIP written in the same code? (a) RGHO (b) QJIT (c) PIHS (d) OHGR
- 6.If LION is written as PQKN, how is PEN written in the same code? (a) LCN (b) NEP (c) PGR (d) RGP
- 7.If DESK is written as KSED, how is WIND written in the same code? (a) EOJX (b) CMHV (c) XJOE (d) DNIW
- 8.If SUN is written as PWU, how is FISH written in the same code? (a) HKUJ (b) JUKH (c) FQGD (d) HSIF
- 9.If MILK is written as OKNM, how is DRUM written in the same code? (a) ESVN (b) GUXP (c) BPSK (d) FTWO
- 10.If SUN is written as PWU, how is MILK written in the same code? (a) OKNM (b) IJGK (c) KLIM (d) MNKO
- 11.If MILK is written as JKHL, how is JUMP written in the same code? (a) QNVK (b) PMUJ (c) OLTI (d) ITLO
- 12.If COLD is written as DPME, how is MILK written in the same code? (a) LHKJ (b) LMJN (c) OKNM (d) NJML
- 13.If FROG is written as HPSG, how is HAND written in the same code? (a) EOBI (b) IBOE (c) CMZG (d) DNAH
- 14.If RAIN is written as IZRM, how is TREE written in the same code? (a) USFF (b) GIVV (c) FHUU (d) HJWW
- 15.If BOOK is written as LPPC, how is GOLD written in the same code? (a) HPME (b) CKNF (c) DLOG (d) EMPH
- 16.If PEN is written as KVM, how is FROG written in the same code? (a) UILT (b) GSPH (c) THKS (d) VJMU
- 17.If MILK is written as KLIM, how is COLD written in the same code? (a) DPME (b) CKNB (c) EMPD (d) DLOC
- 18.If GOLD is written as CKNF, how is DOG written in the same code? (a) GOD (b) CNF (c) FNC (d) HPE
- 19.If GOLD is written as TLOW, how is PARK written in the same code? (a) LAJQ (b) JYHO (c) KZIP (d) QBSL
- 20.If BOOK is written as KOOB, how is STAR written in the same code? (a) SBUT (b) QZSR (c) RATS (d) TUBS
- 21.If STAR is written as HGZI, how is CAT written in the same code? (a) DBU (b) XZG (c) YAH (d) WYF
- 22.If KITE is written as PRGV, how is CAKE written in the same code? (a) YAQW (b) XZPV (c) DBLF (d) WYOU
- 23.If PARK is written as KRAP, how is COLD written in the same code? (a) DLOC (b) DPME (c) EMPD (d) CKNB
- 24.If DOG is written as WLT, how is SHIP written in the same code? (a) GRQJ (b) TIJQ (c) ITSL (d) HSRK
- 25.If MILK is written as MNKO, how is STAR written in the same code? (a) TCVU (b) PYRQ (c) RATS (d) UVCT
- 26.If DOG is written as WLT, how is MILK written in the same code? (a) OSPQ (b) NJML (c) NROP (d) MQNO
- 27.If BOOK is written as ANNJ, how is WIND written in the same code? (a) UGLB (b) XJOE (c) VHMC (d) WIND
- 28.If PEN is written as SHQ, how is BELL written in the same code? (a) YBII (b) FIPP (c) DGNN (d) EHOO
- 29.If TOYS is written as SYOT, how is TREE written in the same code? (a) USFF (b) FFSU (c) EERT (d) DDQS
- 30.If DESK is written as MUGF, how is BOAT written in the same code? (a) DQCV (b) VCQD (c) TAOB (d) RYMZ
- 31.If RAIN is written as UDLQ, how is FROG written in the same code? (a) IURJ (b) COLD (c) HTQI (d) JVSK
- 32.If CAKE is written as XZPV, how is PEN written in the same code? (a) KVM (b) JUL (c) QFO (d) LWN
- 33.If JUMP is written as KVNQ, how is STAR written in the same code? (a) RSZQ (b) UVCT (c) SBUT (d) TUBS
- 34.If HAND is written as DNAH, how is TOYS written in the same code? (a) UPZT (b) SYOT (c) TZPU (d) RXNS
- 35.If BALL is written as ZYJJ, how is TREE written in the same code? (a) SQDD (b) RPCC (c) QOBB (d) VTGG
- 36.If BELL is written as KKDA, how is SHIP written in the same code? (a) OHGR (b) PIHS (c) QJIT (d) RGHO
- 37.If BALL is written as NNCD, how is BOOK written in the same code? (a) DQQM (b) IMMZ (c) KOOB (d) MQQD
- 38.If RAIN is written as IZRM, how is PARK written in the same code? (a) KZIP (b) JYHO (c) LAJQ (d) QBSL
- 39.If HAND is written as DNAH, how is PARK written in the same code? (a) LSBQ (b) JQZO (c) KRAP (d) QBSL
- 40.If HAND is written as DNAH, how is BALL written in the same code? (a) CBMM (b) KKZA (c) MMBC (d) LLAB
Answer key
- KKDA
- ILVK
- TAOB
- KVM
- OHGR
- PGR
- DNIW
- JUKH
- FTWO
- MNKO
- OLTI
- NJML
- EOBI
- GIVV
- EMPH
- UILT
- DLOC
- FNC
- KZIP
- RATS
- XZG
- XZPV
- DLOC
- HSRK
- TCVU
- NROP
- VHMC
- EHOO
- EERT
- VCQD
- IURJ
- KVM
- TUBS
- SYOT
- RPCC
- OHGR
- MQQD
- KZIP
- KRAP
- LLAB
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