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 KITE is written as ETIK, how is LION written in the same code? (a) OPJM (b) NOIL (c) MJPO (d) MNHK
- 2.If TOYS is written as SYOT, how is TREE written in the same code? (a) FFSU (b) EERT (c) DDQS (d) USFF
- 3.If GOLD is written as TLOW, how is CAT written in the same code? (a) XZG (b) WYF (c) YAH (d) DBU
- 4.If CAKE is written as DJZB, how is PARK written in the same code? (a) LSBQ (b) OZQJ (c) JQZO (d) KRAP
- 5.If TREE is written as GIVV, how is BOOK written in the same code? (a) XKKO (b) ZMMQ (c) YLLP (d) CPPL
- 6.If COLD is written as BNKC, how is WIND written in the same code? (a) XJOE (b) VHMC (c) WIND (d) UGLB
- 7.If HAND is written as KDQG, how is GOLD written in the same code? (a) JROG (b) KSPH (c) IQNF (d) DLIA
- 8.If CAKE is written as DJZB, how is BOAT written in the same code? (a) SZNA (b) UBPC (c) TAOB (d) ANZS
- 9.If PEN is written as QFO, how is MILK written in the same code? (a) LHKJ (b) LMJN (c) OKNM (d) NJML
- 10.If SUN is written as MTR, how is CAT written in the same code? (a) TAC (b) BZS (c) SZB (d) UBD
- 11.If BOAT is written as TAOB, how is LION written in the same code? (a) MNHK (b) MJPO (c) OPJM (d) NOIL
- 12.If WIND is written as DRMW, how is BALL written in the same code? (a) ZAPP (b) XYNN (c) CBMM (d) YZOO
- 13.If FROG is written as UILT, how is BOOK written in the same code? (a) CPPL (b) XKKO (c) ZMMQ (d) YLLP
- 14.If PEN is written as KVM, how is HAND written in the same code? (a) RYLV (b) TANX (c) IBOE (d) SZMW
- 15.If TREE is written as FFSU, how is SUN written in the same code? (a) NUS (b) OVT (c) MTR (d) TVO
- 16.If NEST is written as MVHG, how is SUN written in the same code? (a) GEL (b) IGN (c) TVO (d) HFM
- 17.If WIND is written as EOJX, how is BOOK written in the same code? (a) CPPL (b) JNNA (c) KOOB (d) LPPC
- 18.If BALL is written as LLAB, how is SHIP written in the same code? (a) QJIT (b) TIJQ (c) OHGR (d) PIHS
- 19.If WIND is written as FPKY, how is FISH written in the same code? (a) FQGD (b) JUKH (c) HSIF (d) HKUJ
- 20.If TOYS is written as UAQV, how is WIND written in the same code? (a) FPKY (b) YKPF (c) BLGU (d) DNIW
- 21.If LION is written as NOIL, how is FISH written in the same code? (a) HSIF (b) GRHE (c) GJTI (d) ITJG
- 22.If DOG is written as WLT, how is GOLD written in the same code? (a) TLOW (b) SKNV (c) UMPX (d) HPME
- 23.If DOG is written as BME, how is BALL written in the same code? (a) DCNN (b) AZKK (c) YXII (d) ZYJJ
- 24.If CAT is written as TAC, how is BOAT written in the same code? (a) CPBU (b) TAOB (c) SZNA (d) UBPC
- 25.If FISH is written as GRHE, how is BELL written in the same code? (a) KKDA (b) ADKK (c) LLEB (d) MMFC
- 26.If MILK is written as JKHL, how is DESK written in the same code? (a) JRDC (b) CDRJ (c) KSED (d) LTFE
- 27.If DRUM is written as WIFN, how is BOAT written in the same code? (a) ZMAH (b) CPBU (c) YLZG (d) XKYF
- 28.If TOYS is written as GLBH, how is MILK written in the same code? (a) MQNO (b) NJML (c) NROP (d) OSPQ
- 29.If FROG is written as IURJ, how is MOON written in the same code? (a) OQQP (b) PRRQ (c) JLLK (d) QSSR
- 30.If BOOK is written as KOOB, how is WIND written in the same code? (a) EOJX (b) DNIW (c) CMHV (d) XJOE
- 31.If PEN is written as KVM, how is TREE written in the same code? (a) USFF (b) FHUU (c) GIVV (d) HJWW
- 32.If STAR is written as QZSR, how is DOG written in the same code? (a) GOD (b) HPE (c) FNC (d) CNF
- 33.If MOON is written as NOOM, how is PARK written in the same code? (a) QBSL (b) LSBQ (c) JQZO (d) KRAP
- 34.If FROG is written as UILT, how is BELL written in the same code? (a) YVOO (b) XUNN (c) CFMM (d) ZWPP
- 35.If BALL is written as YZOO, how is SHIP written in the same code? (a) ITSL (b) GRQJ (c) HSRK (d) TIJQ
- 36.If STAR is written as RATS, how is BOAT written in the same code? (a) TAOB (b) CPBU (c) SZNA (d) UBPC
- 37.If STAR is written as RATS, how is FROG written in the same code? (a) HPSG (b) GORF (c) FNQE (d) GSPH
- 38.If BALL is written as CBMM, how is FISH written in the same code? (a) HKUJ (b) ITJG (c) EHRG (d) GJTI
- 39.If BOOK is written as YLLP, how is MILK written in the same code? (a) MQNO (b) NJML (c) NROP (d) OSPQ
- 40.If KITE is written as FUJL, how is MILK written in the same code? (a) KLIM (b) NJML (c) LMJN (d) JKHL
Answer key
- NOIL
- EERT
- XZG
- JQZO
- YLLP
- VHMC
- JROG
- SZNA
- NJML
- SZB
- NOIL
- YZOO
- YLLP
- SZMW
- OVT
- HFM
- LPPC
- PIHS
- JUKH
- FPKY
- HSIF
- TLOW
- ZYJJ
- TAOB
- KKDA
- JRDC
- YLZG
- NROP
- PRRQ
- DNIW
- GIVV
- FNC
- KRAP
- YVOO
- HSRK
- TAOB
- GORF
- GJTI
- NROP
- LMJN
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