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 SUN is written as OVT, how is MILK written in the same code? (a) JKHL (b) KLIM (c) LMJN (d) NJML
- 2.If TOYS is written as SYOT, how is SHIP written in the same code? (a) TIJQ (b) OHGR (c) PIHS (d) QJIT
- 3.If BALL is written as EDOO, how is MILK written in the same code? (a) JFIH (b) OKNM (c) QMPO (d) PLON
- 4.If HAND is written as FYLB, how is BELL written in the same code? (a) YBII (b) ZCJJ (c) DGNN (d) ADKK
- 5.If MOON is written as NOOM, how is JUMP written in the same code? (a) KVNQ (b) OLTI (c) PMUJ (d) QNVK
- 6.If STAR is written as SBUT, how is CAT written in the same code? (a) TAC (b) UBD (c) SZB (d) DBU
- 7.If KITE is written as LJUF, how is FROG written in the same code? (a) EQNF (b) HTQI (c) HPSG (d) GSPH
- 8.If LION is written as ORLM, how is LAMP written in the same code? (a) MBNQ (b) NYMJ (c) OZNK (d) PAOL
- 9.If CAT is written as ECV, how is CAKE written in the same code? (a) FDNH (b) AYIC (c) DBLF (d) ECMG
- 10.If MILK is written as KLIM, how is PARK written in the same code? (a) LSBQ (b) QBSL (c) KRAP (d) JQZO
- 11.If LAMP is written as NCOR, how is BALL written in the same code? (a) ZYJJ (b) CBMM (c) DCNN (d) EDOO
- 12.If COLD is written as XLOW, how is CAKE written in the same code? (a) YAQW (b) XZPV (c) DBLF (d) WYOU
- 13.If KITE is written as GVKM, how is DOG written in the same code? (a) IQF (b) EMB (c) FQI (d) GOD
- 14.If TOYS is written as GLBH, how is BALL written in the same code? (a) YZOO (b) XYNN (c) ZAPP (d) CBMM
- 15.If FISH is written as HSIF, how is JUMP written in the same code? (a) OLTI (b) KVNQ (c) PMUJ (d) QNVK
- 16.If HAND is written as EOBI, how is FISH written in the same code? (a) HSIF (b) GRHE (c) GJTI (d) ITJG
- 17.If BELL is written as YVOO, how is KITE written in the same code? (a) OQFU (b) LJUF (c) PRGV (d) QSHW
- 18.If DOG is written as WLT, how is BOOK written in the same code? (a) YLLP (b) CPPL (c) ZMMQ (d) XKKO
- 19.If TREE is written as EERT, how is HAND written in the same code? (a) EOBI (b) IBOE (c) CMZG (d) DNAH
- 20.If LAMP is written as OZNK, how is FROG written in the same code? (a) THKS (b) GSPH (c) UILT (d) VJMU
- 21.If JUMP is written as OLTI, how is GOLD written in the same code? (a) EMPH (b) CKNF (c) FNKC (d) DLOG
- 22.If RAIN is written as IZRM, how is BALL written in the same code? (a) CBMM (b) XYNN (c) ZAPP (d) YZOO
- 23.If HAND is written as IBOE, how is SHIP written in the same code? (a) UJKR (b) RGHO (c) QJIT (d) TIJQ
- 24.If DRUM is written as WIFN, how is WIND written in the same code? (a) ESNX (b) DRMW (c) CQLV (d) XJOE
- 25.If BELL is written as YVOO, how is BOAT written in the same code? (a) CPBU (b) ZMAH (c) YLZG (d) XKYF
- 26.If BELL is written as ZCJJ, how is JUMP written in the same code? (a) ITLO (b) HSKN (c) LWOR (d) GRJM
- 27.If BOAT is written as VCQD, how is DRUM written in the same code? (a) KSPB (b) MURD (c) OWTF (d) FTWO
- 28.If PARK is written as MTCR, how is SUN written in the same code? (a) UWP (b) LSQ (c) NUS (d) PWU
- 29.If TREE is written as WUHH, how is FROG written in the same code? (a) COLD (b) HTQI (c) JVSK (d) IURJ
- 30.If KITE is written as GVKM, how is WIND written in the same code? (a) YKPF (b) DNIW (c) BLGU (d) FPKY
- 31.If CAKE is written as FDNH, how is BOAT written in the same code? (a) YLXQ (b) FSEX (c) DQCV (d) ERDW
- 32.If BELL is written as DGNN, how is DESK written in the same code? (a) GHVN (b) EFTL (c) BCQI (d) FGUM
- 33.If COLD is written as XLOW, how is LION written in the same code? (a) ORLM (b) PSMN (c) MJPO (d) NQKL
- 34.If BALL is written as YZOO, how is NEST written in the same code? (a) MVHG (b) NWIH (c) LUGF (d) OFTU
- 35.If DOG is written as EPH, how is MOON written in the same code? (a) OQQP (b) LNNM (c) OPPN (d) NPPO
- 36.If HAND is written as SZMW, how is MOON written in the same code? (a) NPPO (b) OMMN (c) NLLM (d) MKKL
- 37.If PARK is written as KZIP, how is KITE written in the same code? (a) PRGV (b) LJUF (c) OQFU (d) QSHW
- 38.If BALL is written as LLAB, how is SUN written in the same code? (a) OVT (b) TVO (c) NUS (d) MTR
- 39.If FISH is written as URHS, how is KITE written in the same code? (a) QSHW (b) LJUF (c) PRGV (d) OQFU
- 40.If MILK is written as JKHL, how is KITE written in the same code? (a) ETIK (b) DSHJ (c) JHSD (d) FUJL
Answer key
- LMJN
- PIHS
- PLON
- ZCJJ
- PMUJ
- UBD
- GSPH
- OZNK
- ECMG
- KRAP
- DCNN
- XZPV
- IQF
- YZOO
- PMUJ
- ITJG
- PRGV
- YLLP
- DNAH
- UILT
- CKNF
- YZOO
- TIJQ
- DRMW
- YLZG
- HSKN
- OWTF
- PWU
- IURJ
- FPKY
- ERDW
- FGUM
- ORLM
- MVHG
- NPPO
- NLLM
- PRGV
- NUS
- PRGV
- DSHJ
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