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 MILK is written as PLON, how is NEST written in the same code? (a) RIWX (b) PGUV (c) KBPQ (d) QHVW
- 2.If TREE is written as VTGG, how is RAIN written in the same code? (a) PYGL (b) SBJO (c) TCKP (d) UDLQ
- 3.If SHIP is written as HSRK, how is WIND written in the same code? (a) ESNX (b) DRMW (c) XJOE (d) CQLV
- 4.If DESK is written as WVHP, how is PARK written in the same code? (a) JYHO (b) KZIP (c) QBSL (d) LAJQ
- 5.If DRUM is written as OWTF, how is LAMP written in the same code? (a) PMAL (b) NKYJ (c) NCOR (d) ROCN
- 6.If NEST is written as MVHG, how is BOAT written in the same code? (a) YLZG (b) ZMAH (c) XKYF (d) CPBU
- 7.If LION is written as MJPO, how is TOYS written in the same code? (a) VQAU (b) UPZT (c) SNXR (d) TZPU
- 8.If BOAT is written as YLZG, how is TREE written in the same code? (a) FHUU (b) GIVV (c) USFF (d) HJWW
- 9.If KITE is written as PRGV, how is DOG written in the same code? (a) VKS (b) XMU (c) WLT (d) EPH
- 10.If CAKE is written as EKAC, how is TREE written in the same code? (a) EERT (b) DDQS (c) FFSU (d) USFF
- 11.If SHIP is written as PIHS, how is LION written in the same code? (a) MNHK (b) NOIL (c) MJPO (d) OPJM
- 12.If HAND is written as SZMW, how is DOG written in the same code? (a) VKS (b) XMU (c) EPH (d) WLT
- 13.If RAIN is written as NIAR, how is WIND written in the same code? (a) EOJX (b) DNIW (c) XJOE (d) CMHV
- 14.If FROG is written as GORF, how is BALL written in the same code? (a) CBMM (b) MMBC (c) LLAB (d) KKZA
- 15.If DRUM is written as MURD, how is BOOK written in the same code? (a) JNNA (b) LPPC (c) CPPL (d) KOOB
- 16.If PARK is written as KZIP, how is BALL written in the same code? (a) CBMM (b) ZAPP (c) XYNN (d) YZOO
- 17.If DESK is written as JRDC, how is LAMP written in the same code? (a) KZLO (b) OLZK (c) QNBM (d) PMAL
- 18.If SHIP is written as PIHS, how is BOAT written in the same code? (a) SZNA (b) UBPC (c) TAOB (d) CPBU
- 19.If BOAT is written as ZMYR, how is MOON written in the same code? (a) KMML (b) JLLK (c) LNNM (d) OQQP
- 20.If BALL is written as NNCD, how is TREE written in the same code? (a) CCPR (b) VTGG (c) GGTV (d) EERT
- 21.If RAIN is written as IZRM, how is BOOK written in the same code? (a) CPPL (b) ZMMQ (c) XKKO (d) YLLP
- 22.If STAR is written as RATS, how is BELL written in the same code? (a) MMFC (b) LLEB (c) KKDA (d) CFMM
- 23.If JUMP is written as MXPS, how is STAR written in the same code? (a) WXEV (b) VWDU (c) UVCT (d) PQXO
- 24.If PEN is written as NEP, how is KITE written in the same code? (a) ETIK (b) DSHJ (c) LJUF (d) FUJL
- 25.If HAND is written as IBOE, how is JUMP written in the same code? (a) LWOR (b) ITLO (c) KVNQ (d) QNVK
- 26.If GOLD is written as TLOW, how is BOOK written in the same code? (a) XKKO (b) ZMMQ (c) CPPL (d) YLLP
- 27.If BELL is written as ZCJJ, how is CAKE written in the same code? (a) ECMG (b) AYIC (c) ZXHB (d) BZJD
- 28.If HAND is written as DNAH, how is JUMP written in the same code? (a) QNVK (b) OLTI (c) PMUJ (d) KVNQ
- 29.If JUMP is written as QFNK, how is FISH written in the same code? (a) VSIT (b) GJTI (c) TQGR (d) URHS
- 30.If SHIP is written as RKJU, how is NEST written in the same code? (a) TSEN (b) RQCL (c) VUGP (d) PGUV
- 31.If COLD is written as AMJB, how is PEN written in the same code? (a) MBK (b) RGP (c) NCL (d) ODM
- 32.If COLD is written as XLOW, how is STAR written in the same code? (a) IHAJ (b) GFYH (c) HGZI (d) TUBS
- 33.If GOLD is written as DLOG, how is STAR written in the same code? (a) TUBS (b) RATS (c) QZSR (d) SBUT
- 34.If PARK is written as JQZO, how is SHIP written in the same code? (a) PIHS (b) QJIT (c) OHGR (d) RGHO
- 35.If STAR is written as RATS, how is BALL written in the same code? (a) LLAB (b) MMBC (c) CBMM (d) KKZA
- 36.If CAT is written as TAC, how is FROG written in the same code? (a) GSPH (b) FNQE (c) GORF (d) HPSG
- 37.If RAIN is written as NIAR, how is DESK written in the same code? (a) EFTL (b) LTFE (c) JRDC (d) KSED
- 38.If BOAT is written as ERDW, how is NEST written in the same code? (a) KBPQ (b) PGUV (c) QHVW (d) RIWX
- 39.If BALL is written as LLAB, how is DOG written in the same code? (a) GOD (b) HPE (c) FNC (d) EPH
- 40.If BELL is written as YVOO, how is COLD written in the same code? (a) XLOW (b) WKNV (c) DPME (d) YMPX
Answer key
- QHVW
- TCKP
- DRMW
- KZIP
- ROCN
- YLZG
- UPZT
- GIVV
- WLT
- EERT
- NOIL
- WLT
- DNIW
- LLAB
- KOOB
- YZOO
- OLZK
- TAOB
- KMML
- GGTV
- YLLP
- LLEB
- VWDU
- ETIK
- KVNQ
- YLLP
- AYIC
- PMUJ
- URHS
- VUGP
- NCL
- HGZI
- RATS
- OHGR
- LLAB
- GORF
- KSED
- QHVW
- GOD
- XLOW
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