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 CAKE is written as ECMG, how is DESK written in the same code? (a) BCQI (b) GHVN (c) EFTL (d) FGUM
- 2.If PEN is written as NCL, how is RAIN written in the same code? (a) OXFK (b) TCKP (c) QZHM (d) PYGL
- 3.If STAR is written as RATS, how is MILK written in the same code? (a) LMJN (b) NJML (c) KLIM (d) JKHL
- 4.If MOON is written as MNNL, how is BOOK written in the same code? (a) KOOB (b) ANNJ (c) JNNA (d) LPPC
- 5.If PARK is written as KZIP, how is SUN written in the same code? (a) HFM (b) GEL (c) TVO (d) IGN
- 6.If SHIP is written as HSRK, how is GOLD written in the same code? (a) UMPX (b) TLOW (c) HPME (d) SKNV
- 7.If RAIN is written as MHZQ, how is BALL written in the same code? (a) AZKK (b) MMBC (c) LLAB (d) KKZA
- 8.If TREE is written as EERT, how is JUMP written in the same code? (a) OLTI (b) PMUJ (c) QNVK (d) KVNQ
- 9.If HAND is written as FPCJ, how is CAT written in the same code? (a) RYA (b) ECV (c) VCE (d) TAC
- 10.If BOOK is written as YLLP, how is MILK written in the same code? (a) OSPQ (b) NJML (c) NROP (d) MQNO
- 11.If PARK is written as KRAP, how is LAMP written in the same code? (a) QNBM (b) PMAL (c) MBNQ (d) OLZK
- 12.If NEST is written as TSEN, how is PEN written in the same code? (a) MDO (b) NEP (c) OFQ (d) QFO
- 13.If WIND is written as DNIW, how is BALL written in the same code? (a) CBMM (b) KKZA (c) MMBC (d) LLAB
- 14.If FROG is written as IQTH, how is BALL written in the same code? (a) JJYZ (b) LLAB (c) NNCD (d) DCNN
- 15.If GOLD is written as TLOW, how is BOOK written in the same code? (a) YLLP (b) CPPL (c) ZMMQ (d) XKKO
- 16.If HAND is written as DNAH, how is TOYS written in the same code? (a) RXNS (b) SYOT (c) UPZT (d) TZPU
- 17.If SUN is written as NUS, how is TREE written in the same code? (a) EERT (b) DDQS (c) FFSU (d) USFF
- 18.If JUMP is written as PMUJ, how is BOOK written in the same code? (a) LPPC (b) JNNA (c) CPPL (d) KOOB
- 19.If COLD is written as DLOC, how is PARK written in the same code? (a) LSBQ (b) KRAP (c) QBSL (d) JQZO
- 20.If HAND is written as CMZG, how is DRUM written in the same code? (a) NVSE (b) MURD (c) CQTL (d) LTQC
- 21.If KITE is written as PRGV, how is TREE written in the same code? (a) USFF (b) FHUU (c) HJWW (d) GIVV
- 22.If DESK is written as KSED, how is KITE written in the same code? (a) ETIK (b) LJUF (c) FUJL (d) DSHJ
- 23.If DRUM is written as WIFN, how is BOOK written in the same code? (a) ZMMQ (b) YLLP (c) XKKO (d) CPPL
- 24.If BALL is written as DCNN, how is BOAT written in the same code? (a) ERDW (b) DQCV (c) CPBU (d) ZMYR
- 25.If DOG is written as GOD, how is HAND written in the same code? (a) DNAH (b) IBOE (c) EOBI (d) CMZG
- 26.If JUMP is written as MXPS, how is SUN written in the same code? (a) PRK (b) VXQ (c) UWP (d) WYR
- 27.If PARK is written as LSBQ, how is BOAT written in the same code? (a) CPBU (b) TAOB (c) UBPC (d) SZNA
- 28.If DESK is written as KSED, how is NEST written in the same code? (a) SRDM (b) UTFO (c) TSEN (d) OFTU
- 29.If DOG is written as WLT, how is DRUM written in the same code? (a) ESVN (b) WIFN (c) VHEM (d) XJGO
- 30.If BALL is written as YZOO, how is FISH written in the same code? (a) GJTI (b) VSIT (c) URHS (d) TQGR
- 31.If COLD is written as FROG, how is JUMP written in the same code? (a) LWOR (b) MXPS (c) NYQT (d) GRJM
- 32.If SUN is written as NUS, how is FISH written in the same code? (a) GJTI (b) GRHE (c) HSIF (d) ITJG
- 33.If PEN is written as KVM, how is BALL written in the same code? (a) CBMM (b) YZOO (c) ZAPP (d) XYNN
- 34.If FISH is written as URHS, how is FROG written in the same code? (a) VJMU (b) GSPH (c) THKS (d) UILT
- 35.If PEN is written as KVM, how is WIND written in the same code? (a) XJOE (b) ESNX (c) DRMW (d) CQLV
- 36.If DOG is written as CNF, how is NEST written in the same code? (a) OFTU (b) LCQR (c) MDRS (d) NEST
- 37.If NEST is written as TSEN, how is JUMP written in the same code? (a) KVNQ (b) OLTI (c) QNVK (d) PMUJ
- 38.If JUMP is written as LWOR, how is SUN written in the same code? (a) QSL (b) TVO (c) UWP (d) VXQ
- 39.If STAR is written as TUBS, how is BALL written in the same code? (a) CBMM (b) AZKK (c) DCNN (d) MMBC
- 40.If CAT is written as AYR, how is JUMP written in the same code? (a) ITLO (b) HSKN (c) LWOR (d) GRJM
Answer key
- FGUM
- PYGL
- KLIM
- JNNA
- HFM
- TLOW
- KKZA
- PMUJ
- VCE
- NROP
- PMAL
- NEP
- LLAB
- NNCD
- YLLP
- SYOT
- EERT
- KOOB
- KRAP
- LTQC
- GIVV
- ETIK
- YLLP
- DQCV
- DNAH
- VXQ
- UBPC
- TSEN
- WIFN
- URHS
- MXPS
- HSIF
- YZOO
- UILT
- DRMW
- MDRS
- PMUJ
- UWP
- CBMM
- HSKN
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