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 TOYS is written as TZPU, how is PARK written in the same code? (a) KRAP (b) JQZO (c) LSBQ (d) QBSL
- 2.If HAND is written as FYLB, how is BOAT written in the same code? (a) DQCV (b) ANZS (c) ZMYR (d) YLXQ
- 3.If DESK is written as CDRJ, how is BALL written in the same code? (a) CBMM (b) BALL (c) AZKK (d) ZYJJ
- 4.If FISH is written as JUKH, how is BELL written in the same code? (a) JJCZ (b) DGNN (c) NNGD (d) LLEB
- 5.If DOG is written as WLT, how is HAND written in the same code? (a) IBOE (b) TANX (c) RYLV (d) SZMW
- 6.If JUMP is written as QFNK, how is CAT written in the same code? (a) DBU (b) XZG (c) WYF (d) YAH
- 7.If SUN is written as RTM, how is MILK written in the same code? (a) KGJI (b) MILK (c) LHKJ (d) NJML
- 8.If LION is written as MNHK, how is BOAT written in the same code? (a) TAOB (b) SZNA (c) UBPC (d) ANZS
- 9.If TREE is written as VTGG, how is WIND written in the same code? (a) ZLQG (b) UGLB (c) XJOE (d) YKPF
- 10.If DRUM is written as BPSK, how is SHIP written in the same code? (a) QFGN (b) PEFM (c) UJKR (d) RGHO
- 11.If BELL is written as YVOO, how is COLD written in the same code? (a) WKNV (b) DPME (c) YMPX (d) XLOW
- 12.If STAR is written as RATS, how is HAND written in the same code? (a) CMZG (b) EOBI (c) IBOE (d) DNAH
- 13.If COLD is written as EQNF, how is KITE written in the same code? (a) IGRC (b) LJUF (c) NLWH (d) MKVG
- 14.If BALL is written as CBMM, how is SUN written in the same code? (a) UWP (b) RTM (c) OVT (d) TVO
- 15.If BELL is written as EHOO, how is CAT written in the same code? (a) ZXQ (b) ECV (c) FDW (d) GEX
- 16.If LION is written as OLRQ, how is NEST written in the same code? (a) KBPQ (b) PGUV (c) RIWX (d) QHVW
- 17.If WIND is written as XJOE, how is FROG written in the same code? (a) HPSG (b) EQNF (c) GSPH (d) HTQI
- 18.If STAR is written as TCVU, how is FROG written in the same code? (a) EMPD (b) IQTH (c) HTQI (d) GORF
- 19.If FROG is written as GORF, how is WIND written in the same code? (a) DNIW (b) CMHV (c) EOJX (d) XJOE
- 20.If DOG is written as GOD, how is SUN written in the same code? (a) OVT (b) TVO (c) NUS (d) MTR
- 21.If DOG is written as BME, how is BALL written in the same code? (a) AZKK (b) YXII (c) DCNN (d) ZYJJ
- 22.If PEN is written as KVM, how is DRUM written in the same code? (a) WIFN (b) ESVN (c) VHEM (d) XJGO
- 23.If SHIP is written as HSRK, how is NEST written in the same code? (a) OFTU (b) MVHG (c) LUGF (d) NWIH
- 24.If LAMP is written as MBNQ, how is TREE written in the same code? (a) FFSU (b) SQDD (c) VTGG (d) USFF
- 25.If BOAT is written as ERDW, how is BELL written in the same code? (a) YBII (b) EHOO (c) DGNN (d) FIPP
- 26.If BALL is written as LLAB, how is BOOK written in the same code? (a) KOOB (b) CPPL (c) LPPC (d) JNNA
- 27.If LAMP is written as MBNQ, how is MOON written in the same code? (a) OPPN (b) LNNM (c) NPPO (d) OQQP
- 28.If FISH is written as JUKH, how is KITE written in the same code? (a) GVKM (b) ETIK (c) MKVG (d) CRGI
- 29.If WIND is written as ZLQG, how is BOAT written in the same code? (a) DQCV (b) ERDW (c) FSEX (d) YLXQ
- 30.If MILK is written as OKNM, how is JUMP written in the same code? (a) KVNQ (b) MXPS (c) LWOR (d) HSKN
- 31.If MILK is written as NROP, how is BOAT written in the same code? (a) XKYF (b) ZMAH (c) CPBU (d) YLZG
- 32.If DRUM is written as FTWO, how is CAT written in the same code? (a) AYR (b) DBU (c) FDW (d) ECV
- 33.If BOAT is written as TAOB, how is SUN written in the same code? (a) MTR (b) OVT (c) TVO (d) NUS
- 34.If BALL is written as NNCD, how is WIND written in the same code? (a) YKPF (b) BLGU (c) FPKY (d) DNIW
- 35.If PEN is written as KVM, how is TREE written in the same code? (a) USFF (b) FHUU (c) HJWW (d) GIVV
- 36.If DRUM is written as WIFN, how is BOOK written in the same code? (a) ZMMQ (b) XKKO (c) CPPL (d) YLLP
- 37.If FROG is written as UILT, how is RAIN written in the same code? (a) IZRM (b) HYQL (c) JASN (d) SBJO
- 38.If PARK is written as RCTM, how is MOON written in the same code? (a) PRRQ (b) KMML (c) OQQP (d) NPPO
- 39.If SHIP is written as HSRK, how is TREE written in the same code? (a) USFF (b) GIVV (c) HJWW (d) FHUU
- 40.If GOLD is written as EMPH, how is MILK written in the same code? (a) KLIM (b) JKHL (c) LMJN (d) NJML
Answer key
- LSBQ
- ZMYR
- AZKK
- NNGD
- SZMW
- XZG
- LHKJ
- SZNA
- YKPF
- QFGN
- XLOW
- DNAH
- MKVG
- TVO
- FDW
- QHVW
- GSPH
- IQTH
- DNIW
- NUS
- ZYJJ
- WIFN
- MVHG
- USFF
- EHOO
- KOOB
- NPPO
- GVKM
- ERDW
- LWOR
- YLZG
- ECV
- NUS
- FPKY
- GIVV
- YLLP
- IZRM
- OQQP
- GIVV
- LMJN
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