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 ITJG, how is STAR written in the same code? (a) TUBS (b) SBUT (c) QZSR (d) RATS
- 2.If BOAT is written as TAOB, how is HAND written in the same code? (a) DNAH (b) CMZG (c) IBOE (d) EOBI
- 3.If HAND is written as SZMW, how is DRUM written in the same code? (a) ESVN (b) VHEM (c) WIFN (d) XJGO
- 4.If LION is written as ORLM, how is DOG written in the same code? (a) WLT (b) VKS (c) XMU (d) EPH
- 5.If LAMP is written as OLZK, how is SHIP written in the same code? (a) QJIT (b) OHGR (c) RGHO (d) PIHS
- 6.If JUMP is written as PMUJ, how is PEN written in the same code? (a) MDO (b) QFO (c) NEP (d) OFQ
- 7.If NEST is written as QHVW, how is TREE written in the same code? (a) VTGG (b) WUHH (c) XVII (d) QOBB
- 8.If MILK is written as PLON, how is DRUM written in the same code? (a) GUXP (b) HVYQ (c) FTWO (d) AORJ
- 9.If DOG is written as FQI, how is BOAT written in the same code? (a) ERDW (b) ZMYR (c) CPBU (d) DQCV
- 10.If WIND is written as DRMW, how is FROG written in the same code? (a) THKS (b) UILT (c) VJMU (d) GSPH
- 11.If KITE is written as FUJL, how is NEST written in the same code? (a) OFTU (b) SRDM (c) TSEN (d) UTFO
- 12.If KITE is written as IGRC, how is MOON written in the same code? (a) JLLK (b) LNNM (c) KMML (d) OQQP
- 13.If FISH is written as URHS, how is DRUM written in the same code? (a) VHEM (b) ESVN (c) WIFN (d) XJGO
- 14.If FROG is written as HPSG, how is BOAT written in the same code? (a) CPBU (b) TAOB (c) SZNA (d) UBPC
- 15.If DESK is written as WVHP, how is BOOK written in the same code? (a) CPPL (b) ZMMQ (c) YLLP (d) XKKO
- 16.If JUMP is written as OLTI, how is GOLD written in the same code? (a) FNKC (b) EMPH (c) DLOG (d) CKNF
- 17.If LION is written as KHNM, how is BALL written in the same code? (a) BALL (b) ZYJJ (c) CBMM (d) AZKK
- 18.If TREE is written as GIVV, how is BALL written in the same code? (a) CBMM (b) YZOO (c) XYNN (d) ZAPP
- 19.If BALL is written as YZOO, how is SUN written in the same code? (a) TVO (b) IGN (c) GEL (d) HFM
- 20.If CAKE is written as XZPV, how is STAR written in the same code? (a) HGZI (b) IHAJ (c) TUBS (d) GFYH
- 21.If MILK is written as LHKJ, how is NEST written in the same code? (a) OFTU (b) NEST (c) LCQR (d) MDRS
- 22.If CAKE is written as XZPV, how is SHIP written in the same code? (a) GRQJ (b) ITSL (c) TIJQ (d) HSRK
- 23.If BOOK is written as YLLP, how is CAT written in the same code? (a) XZG (b) YAH (c) WYF (d) DBU
- 24.If BELL is written as LLEB, how is LAMP written in the same code? (a) QNBM (b) PMAL (c) OLZK (d) MBNQ
- 25.If FROG is written as GORF, how is WIND written in the same code? (a) CMHV (b) XJOE (c) EOJX (d) DNIW
- 26.If DRUM is written as MURD, how is SUN written in the same code? (a) MTR (b) NUS (c) TVO (d) OVT
- 27.If MILK is written as NROP, how is LION written in the same code? (a) NQKL (b) PSMN (c) MJPO (d) ORLM
- 28.If DRUM is written as BPSK, how is GOLD written in the same code? (a) IQNF (b) FNKC (c) DLIA (d) EMJB
- 29.If DESK is written as GHVN, how is BOOK written in the same code? (a) YLLH (b) FSSO (c) DQQM (d) ERRN
- 30.If BALL is written as LLAB, how is STAR written in the same code? (a) QZSR (b) TUBS (c) SBUT (d) RATS
- 31.If FROG is written as HTQI, how is JUMP written in the same code? (a) KVNQ (b) MXPS (c) HSKN (d) LWOR
- 32.If NEST is written as MVHG, how is JUMP written in the same code? (a) KVNQ (b) RGOL (c) PEMJ (d) QFNK
- 33.If BALL is written as YZOO, how is DESK written in the same code? (a) EFTL (b) WVHP (c) VUGO (d) XWIQ
- 34.If SUN is written as HFM, how is CAKE written in the same code? (a) XZPV (b) WYOU (c) DBLF (d) YAQW
- 35.If DOG is written as EPH, how is BALL written in the same code? (a) AZKK (b) CBMM (c) DCNN (d) MMBC
- 36.If RAIN is written as MHZQ, how is HAND written in the same code? (a) EOBI (b) DNAH (c) GZMC (d) CMZG
- 37.If DOG is written as GOD, how is LION written in the same code? (a) OPJM (b) MNHK (c) NOIL (d) MJPO
- 38.If BALL is written as KKZA, how is LAMP written in the same code? (a) OLZK (b) QNBM (c) KZLO (d) PMAL
- 39.If PEN is written as ODM, how is BOAT written in the same code? (a) ANZS (b) ZMYR (c) CPBU (d) BOAT
- 40.If BOOK is written as KOOB, how is COLD written in the same code? (a) DPME (b) EMPD (c) CKNB (d) DLOC
Answer key
- SBUT
- DNAH
- WIFN
- WLT
- OHGR
- NEP
- WUHH
- GUXP
- DQCV
- UILT
- UTFO
- KMML
- WIFN
- UBPC
- YLLP
- CKNF
- AZKK
- YZOO
- HFM
- HGZI
- MDRS
- HSRK
- XZG
- PMAL
- DNIW
- NUS
- ORLM
- EMJB
- ERRN
- RATS
- LWOR
- QFNK
- WVHP
- XZPV
- CBMM
- CMZG
- NOIL
- OLZK
- ANZS
- DLOC
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