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 DOG is written as WLT, how is RAIN written in the same code? (a) JASN (b) SBJO (c) HYQL (d) IZRM
- 2.If SHIP is written as HSRK, how is KITE written in the same code? (a) LJUF (b) QSHW (c) OQFU (d) PRGV
- 3.If FISH is written as HSIF, how is BOAT written in the same code? (a) TAOB (b) SZNA (c) CPBU (d) UBPC
- 4.If GOLD is written as DLOG, how is PEN written in the same code? (a) NEP (b) MDO (c) QFO (d) OFQ
- 5.If PARK is written as KZIP, how is KITE written in the same code? (a) QSHW (b) LJUF (c) OQFU (d) PRGV
- 6.If BOAT is written as YLZG, how is MOON written in the same code? (a) MKKL (b) NPPO (c) NLLM (d) OMMN
- 7.If TOYS is written as VQAU, how is MOON written in the same code? (a) PRRQ (b) OQQP (c) NPPO (d) KMML
- 8.If FROG is written as FNQE, how is MOON written in the same code? (a) NOOM (b) MNNL (c) LNNM (d) OPPN
- 9.If NEST is written as TSEN, how is PEN written in the same code? (a) QFO (b) OFQ (c) NEP (d) MDO
- 10.If PEN is written as KVM, how is CAT written in the same code? (a) DBU (b) WYF (c) XZG (d) YAH
- 11.If JUMP is written as OLTI, how is BALL written in the same code? (a) LLAB (b) KKZA (c) MMBC (d) AZKK
- 12.If FISH is written as HKUJ, how is MILK written in the same code? (a) PLON (b) OKNM (c) NJML (d) KGJI
- 13.If KITE is written as ETIK, how is WIND written in the same code? (a) CMHV (b) DNIW (c) EOJX (d) XJOE
- 14.If JUMP is written as PMUJ, how is FROG written in the same code? (a) GORF (b) GSPH (c) FNQE (d) HPSG
- 15.If RAIN is written as IZRM, how is GOLD written in the same code? (a) TLOW (b) HPME (c) UMPX (d) SKNV
- 16.If JUMP is written as QNVK, how is RAIN written in the same code? (a) SBJO (b) MHZQ (c) OJBS (d) NIAR
- 17.If TREE is written as USFF, how is NEST written in the same code? (a) UTFO (b) MDRS (c) OFTU (d) PGUV
- 18.If COLD is written as DLOC, how is DRUM written in the same code? (a) LTQC (b) NVSE (c) MURD (d) ESVN
- 19.If KITE is written as IGRC, how is TREE written in the same code? (a) QOBB (b) SQDD (c) VTGG (d) RPCC
- 20.If BELL is written as LLEB, how is MOON written in the same code? (a) OPPN (b) MNNL (c) NOOM (d) NPPO
- 21.If LION is written as OLRQ, how is HAND written in the same code? (a) JCPF (b) LERH (c) KDQG (d) EXKA
- 22.If CAT is written as XZG, how is DRUM written in the same code? (a) XJGO (b) VHEM (c) ESVN (d) WIFN
- 23.If JUMP is written as PMUJ, how is NEST written in the same code? (a) SRDM (b) OFTU (c) UTFO (d) TSEN
- 24.If SUN is written as VXQ, how is CAKE written in the same code? (a) FDNH (b) ECMG (c) ZXHB (d) GEOI
- 25.If DESK is written as WVHP, how is FROG written in the same code? (a) THKS (b) UILT (c) VJMU (d) GSPH
- 26.If CAKE is written as XZPV, how is FISH written in the same code? (a) VSIT (b) TQGR (c) URHS (d) GJTI
- 27.If GOLD is written as DLOG, how is DOG written in the same code? (a) HPE (b) EPH (c) FNC (d) GOD
- 28.If MILK is written as NROP, how is PEN written in the same code? (a) KVM (b) JUL (c) LWN (d) QFO
- 29.If LAMP is written as OZNK, how is BOOK written in the same code? (a) YLLP (b) ZMMQ (c) CPPL (d) XKKO
- 30.If GOLD is written as EMJB, how is FISH written in the same code? (a) HKUJ (b) CFPE (c) DGQF (d) EHRG
- 31.If MILK is written as KLIM, how is LAMP written in the same code? (a) OLZK (b) MBNQ (c) QNBM (d) PMAL
- 32.If TREE is written as FFSU, how is BOAT written in the same code? (a) TAOB (b) SZNA (c) CPBU (d) UBPC
- 33.If BELL is written as DGNN, how is LAMP written in the same code? (a) ODPS (b) JYKN (c) NCOR (d) MBNQ
- 34.If SHIP is written as HSRK, how is TREE written in the same code? (a) USFF (b) FHUU (c) HJWW (d) GIVV
- 35.If CAKE is written as DJZB, how is SHIP written in the same code? (a) RGHO (b) OHGR (c) QJIT (d) PIHS
- 36.If NEST is written as TSEN, how is DOG written in the same code? (a) FNC (b) HPE (c) GOD (d) EPH
- 37.If SUN is written as HFM, how is GOLD written in the same code? (a) UMPX (b) SKNV (c) TLOW (d) HPME
- 38.If DESK is written as MUGF, how is PARK written in the same code? (a) IPYN (b) KRAP (c) RCTM (d) MTCR
- 39.If GOLD is written as TLOW, how is RAIN written in the same code? (a) HYQL (b) SBJO (c) JASN (d) IZRM
- 40.If GOLD is written as CKNF, how is LAMP written in the same code? (a) KZLO (b) PMAL (c) OLZK (d) QNBM
Answer key
- IZRM
- PRGV
- TAOB
- NEP
- PRGV
- NLLM
- OQQP
- MNNL
- NEP
- XZG
- KKZA
- OKNM
- DNIW
- GORF
- TLOW
- OJBS
- OFTU
- MURD
- RPCC
- NOOM
- KDQG
- WIFN
- TSEN
- FDNH
- UILT
- URHS
- GOD
- KVM
- YLLP
- DGQF
- PMAL
- UBPC
- NCOR
- GIVV
- OHGR
- GOD
- TLOW
- MTCR
- IZRM
- OLZK
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