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 HKUJ, how is FROG written in the same code? (a) GSPH (b) DPME (c) IURJ (d) HTQI
- 2.If GOLD is written as TLOW, how is LION written in the same code? (a) PSMN (b) NQKL (c) ORLM (d) MJPO
- 3.If SUN is written as VXQ, how is NEST written in the same code? (a) KBPQ (b) PGUV (c) RIWX (d) QHVW
- 4.If BELL is written as EHOO, how is TOYS written in the same code? (a) QLVP (b) VQAU (c) XSCW (d) WRBV
- 5.If FISH is written as URHS, how is COLD written in the same code? (a) YMPX (b) XLOW (c) WKNV (d) DPME
- 6.If LAMP is written as PMAL, how is SUN written in the same code? (a) MTR (b) NUS (c) OVT (d) TVO
- 7.If KITE is written as PRGV, how is LION written in the same code? (a) MJPO (b) PSMN (c) NQKL (d) ORLM
- 8.If RAIN is written as PYGL, how is KITE written in the same code? (a) JHSD (b) MKVG (c) IGRC (d) HFQB
- 9.If PARK is written as SDUN, how is BALL written in the same code? (a) DCNN (b) FEPP (c) EDOO (d) YXII
- 10.If TOYS is written as GLBH, how is COLD written in the same code? (a) XLOW (b) YMPX (c) WKNV (d) DPME
- 11.If DESK is written as MUGF, how is CAKE written in the same code? (a) GMCE (b) EKAC (c) ECMG (d) CIYA
- 12.If BELL is written as LLEB, how is HAND written in the same code? (a) CMZG (b) DNAH (c) EOBI (d) IBOE
- 13.If NEST is written as TSEN, how is DESK written in the same code? (a) EFTL (b) JRDC (c) KSED (d) LTFE
- 14.If STAR is written as HGZI, how is MOON written in the same code? (a) NPPO (b) NLLM (c) OMMN (d) MKKL
- 15.If SUN is written as RTM, how is DOG written in the same code? (a) DOG (b) BME (c) EPH (d) CNF
- 16.If PARK is written as KZIP, how is GOLD written in the same code? (a) SKNV (b) UMPX (c) TLOW (d) HPME
- 17.If PEN is written as KVM, how is RAIN written in the same code? (a) SBJO (b) JASN (c) HYQL (d) IZRM
- 18.If TREE is written as VTGG, how is DOG written in the same code? (a) GRJ (b) BME (c) EPH (d) FQI
- 19.If DRUM is written as WIFN, how is FISH written in the same code? (a) VSIT (b) URHS (c) GJTI (d) TQGR
- 20.If CAKE is written as XZPV, how is SUN written in the same code? (a) IGN (b) GEL (c) HFM (d) TVO
- 21.If BALL is written as MMBC, how is RAIN written in the same code? (a) NIAR (b) MHZQ (c) SBJO (d) OJBS
- 22.If NEST is written as MVHG, how is CAKE written in the same code? (a) WYOU (b) YAQW (c) XZPV (d) DBLF
- 23.If COLD is written as DLOC, how is FISH written in the same code? (a) ITJG (b) GRHE (c) GJTI (d) HSIF
- 24.If LAMP is written as OZNK, how is BOOK written in the same code? (a) XKKO (b) YLLP (c) ZMMQ (d) CPPL
- 25.If JUMP is written as OLTI, how is KITE written in the same code? (a) ETIK (b) DSHJ (c) JHSD (d) FUJL
- 26.If GOLD is written as DLOG, how is MOON written in the same code? (a) NPPO (b) OPPN (c) MNNL (d) NOOM
- 27.If COLD is written as DLOC, how is RAIN written in the same code? (a) MHZQ (b) OJBS (c) NIAR (d) SBJO
- 28.If FROG is written as IURJ, how is KITE written in the same code? (a) NLWH (b) OMXI (c) MKVG (d) HFQB
- 29.If TREE is written as WUHH, how is CAKE written in the same code? (a) FDNH (b) GEOI (c) ECMG (d) ZXHB
- 30.If FISH is written as HSIF, how is STAR written in the same code? (a) SBUT (b) RATS (c) QZSR (d) TUBS
- 31.If WIND is written as XJOE, how is CAKE written in the same code? (a) DBLF (b) BZJD (c) ECMG (d) FLBD
- 32.If FISH is written as URHS, how is RAIN written in the same code? (a) HYQL (b) SBJO (c) JASN (d) IZRM
- 33.If HAND is written as DNAH, how is CAT written in the same code? (a) DBU (b) SZB (c) UBD (d) TAC
- 34.If GOLD is written as DLOG, how is LAMP written in the same code? (a) MBNQ (b) OLZK (c) PMAL (d) QNBM
- 35.If BELL is written as NNGD, how is BOOK written in the same code? (a) IMMZ (b) DQQM (c) MQQD (d) KOOB
- 36.If MOON is written as NOOM, how is TOYS written in the same code? (a) UPZT (b) RXNS (c) TZPU (d) SYOT
- 37.If MILK is written as MNKO, how is MOON written in the same code? (a) LMMK (b) PQQO (c) NOOM (d) OQQP
- 38.If CAT is written as DBU, how is HAND written in the same code? (a) GZMC (b) EOBI (c) JCPF (d) IBOE
- 39.If PARK is written as QBSL, how is NEST written in the same code? (a) PGUV (b) MDRS (c) OFTU (d) UTFO
- 40.If BELL is written as YVOO, how is SUN written in the same code? (a) TVO (b) GEL (c) IGN (d) HFM
Answer key
- HTQI
- ORLM
- QHVW
- WRBV
- XLOW
- NUS
- ORLM
- IGRC
- EDOO
- XLOW
- GMCE
- DNAH
- KSED
- NLLM
- CNF
- TLOW
- IZRM
- FQI
- URHS
- HFM
- OJBS
- XZPV
- HSIF
- YLLP
- DSHJ
- NOOM
- NIAR
- NLWH
- FDNH
- RATS
- DBLF
- IZRM
- TAC
- PMAL
- MQQD
- SYOT
- PQQO
- IBOE
- OFTU
- HFM
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