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 PARK written in the same code? (a) QBSL (b) LSBQ (c) JQZO (d) KRAP
- 2.If KITE is written as PRGV, how is MOON written in the same code? (a) OMMN (b) NLLM (c) NPPO (d) MKKL
- 3.If GOLD is written as TLOW, how is LAMP written in the same code? (a) PAOL (b) OZNK (c) MBNQ (d) NYMJ
- 4.If PARK is written as RCTM, how is RAIN written in the same code? (a) PYGL (b) TCKP (c) SBJO (d) UDLQ
- 5.If DRUM is written as BPSK, how is SUN written in the same code? (a) QSL (b) UWP (c) RTM (d) PRK
- 6.If PARK is written as KRAP, how is PEN written in the same code? (a) MDO (b) QFO (c) OFQ (d) NEP
- 7.If COLD is written as XLOW, how is LION written in the same code? (a) MJPO (b) PSMN (c) ORLM (d) NQKL
- 8.If TREE is written as FFSU, how is JUMP written in the same code? (a) QNVK (b) PMUJ (c) KVNQ (d) OLTI
- 9.If JUMP is written as PMUJ, how is STAR written in the same code? (a) SBUT (b) RATS (c) TUBS (d) QZSR
- 10.If FROG is written as FNQE, how is BELL written in the same code? (a) KKDA (b) ADKK (c) MMFC (d) LLEB
- 11.If HAND is written as DNAH, how is CAKE written in the same code? (a) DBLF (b) DJZB (c) FLBD (d) EKAC
- 12.If FISH is written as URHS, how is MOON written in the same code? (a) NPPO (b) MKKL (c) OMMN (d) NLLM
- 13.If WIND is written as DRMW, how is FISH written in the same code? (a) TQGR (b) URHS (c) VSIT (d) GJTI
- 14.If KITE is written as ETIK, how is DRUM written in the same code? (a) LTQC (b) NVSE (c) MURD (d) ESVN
- 15.If WIND is written as DRMW, how is COLD written in the same code? (a) YMPX (b) XLOW (c) DPME (d) WKNV
- 16.If WIND is written as DRMW, how is PARK written in the same code? (a) KZIP (b) QBSL (c) LAJQ (d) JYHO
- 17.If MILK is written as OKNM, how is FROG written in the same code? (a) GSPH (b) IURJ (c) HTQI (d) DPME
- 18.If SUN is written as OVT, how is WIND written in the same code? (a) XJOE (b) CMHV (c) DNIW (d) EOJX
- 19.If FISH is written as DGQF, how is FROG written in the same code? (a) COLD (b) HTQI (c) DPME (d) EQNF
- 20.If LAMP is written as PMAL, how is FROG written in the same code? (a) FNQE (b) GSPH (c) HPSG (d) GORF
- 21.If BOOK is written as KOOB, how is TREE written in the same code? (a) DDQS (b) FFSU (c) USFF (d) EERT
- 22.If FROG is written as HTQI, how is BALL written in the same code? (a) ZYJJ (b) DCNN (c) CBMM (d) EDOO
- 23.If BALL is written as LLAB, how is FISH written in the same code? (a) HSIF (b) GJTI (c) ITJG (d) GRHE
- 24.If PEN is written as KVM, how is NEST written in the same code? (a) OFTU (b) NWIH (c) MVHG (d) LUGF
- 25.If MOON is written as KMML, how is BOAT written in the same code? (a) DQCV (b) ANZS (c) YLXQ (d) ZMYR
- 26.If PARK is written as RCTM, how is CAKE written in the same code? (a) ECMG (b) DBLF (c) AYIC (d) FDNH
- 27.If RAIN is written as PKCT, how is STAR written in the same code? (a) UVCT (b) RATS (c) PYRQ (d) TCVU
- 28.If BOAT is written as SZNA, how is DOG written in the same code? (a) GOD (b) HPE (c) FNC (d) CNF
- 29.If LION is written as ORLM, how is DESK written in the same code? (a) VUGO (b) EFTL (c) XWIQ (d) WVHP
- 30.If WIND is written as XJOE, how is RAIN written in the same code? (a) QZHM (b) OJBS (c) TCKP (d) SBJO
- 31.If RAIN is written as IZRM, how is COLD written in the same code? (a) DPME (b) XLOW (c) YMPX (d) WKNV
- 32.If BALL is written as YZOO, how is TOYS written in the same code? (a) UPZT (b) FKAG (c) GLBH (d) HMCI
- 33.If KITE is written as FUJL, how is TREE written in the same code? (a) USFF (b) EERT (c) FFSU (d) DDQS
- 34.If KITE is written as ETIK, how is CAT written in the same code? (a) TAC (b) SZB (c) DBU (d) UBD
- 35.If STAR is written as RATS, how is FROG written in the same code? (a) GORF (b) FNQE (c) HPSG (d) GSPH
- 36.If NEST is written as TSEN, how is BALL written in the same code? (a) LLAB (b) CBMM (c) MMBC (d) KKZA
- 37.If COLD is written as BNKC, how is DESK written in the same code? (a) DESK (b) EFTL (c) CDRJ (d) BCQI
- 38.If FROG is written as EQNF, how is JUMP written in the same code? (a) KVNQ (b) ITLO (c) HSKN (d) JUMP
- 39.If SUN is written as HFM, how is GOLD written in the same code? (a) HPME (b) TLOW (c) UMPX (d) SKNV
- 40.If CAT is written as TAC, how is WIND written in the same code? (a) CMHV (b) DNIW (c) EOJX (d) XJOE
Answer key
- KRAP
- NLLM
- OZNK
- TCKP
- QSL
- NEP
- ORLM
- QNVK
- RATS
- KKDA
- EKAC
- NLLM
- URHS
- MURD
- XLOW
- KZIP
- HTQI
- EOJX
- DPME
- GORF
- EERT
- DCNN
- HSIF
- MVHG
- ZMYR
- ECMG
- TCVU
- FNC
- WVHP
- SBJO
- XLOW
- GLBH
- FFSU
- TAC
- GORF
- LLAB
- CDRJ
- ITLO
- TLOW
- DNIW
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