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 KITE is written as ETIK, how is DOG written in the same code? (a) FNC (b) GOD (c) HPE (d) EPH
- 2.If MILK is written as OKNM, how is HAND written in the same code? (a) JCPF (b) IBOE (c) KDQG (d) FYLB
- 3.If DRUM is written as WIFN, how is BOAT written in the same code? (a) ZMAH (b) YLZG (c) XKYF (d) CPBU
- 4.If TREE is written as EERT, how is CAKE written in the same code? (a) EKAC (b) DBLF (c) DJZB (d) FLBD
- 5.If FISH is written as JUKH, how is CAKE written in the same code? (a) EKAC (b) CIYA (c) ECMG (d) GMCE
- 6.If CAT is written as TAC, how is WIND written in the same code? (a) EOJX (b) DNIW (c) XJOE (d) CMHV
- 7.If LION is written as NOIL, how is JUMP written in the same code? (a) QNVK (b) OLTI (c) KVNQ (d) PMUJ
- 8.If SHIP is written as UJKR, how is LION written in the same code? (a) MJPO (b) NKQP (c) JGML (d) OLRQ
- 9.If PEN is written as PGR, how is BOOK written in the same code? (a) KOOB (b) DQQM (c) IMMZ (d) MQQD
- 10.If COLD is written as BNKC, how is SHIP written in the same code? (a) SHIP (b) RGHO (c) TIJQ (d) QFGN
- 11.If RAIN is written as PKCT, how is LION written in the same code? (a) LMGJ (b) NOIL (c) NKQP (d) PQKN
- 12.If KITE is written as NLWH, how is BOAT written in the same code? (a) ERDW (b) DQCV (c) YLXQ (d) FSEX
- 13.If LION is written as NOIL, how is CAT written in the same code? (a) DBU (b) TAC (c) UBD (d) SZB
- 14.If HAND is written as GZMC, how is WIND written in the same code? (a) UGLB (b) XJOE (c) VHMC (d) WIND
- 15.If FROG is written as UILT, how is DOG written in the same code? (a) WLT (b) VKS (c) EPH (d) XMU
- 16.If LION is written as KHNM, how is PEN written in the same code? (a) NCL (b) QFO (c) ODM (d) PEN
- 17.If SUN is written as UWP, how is DESK written in the same code? (a) GHVN (b) EFTL (c) FGUM (d) BCQI
- 18.If WIND is written as DNIW, how is BALL written in the same code? (a) KKZA (b) LLAB (c) CBMM (d) MMBC
- 19.If SUN is written as MTR, how is MILK written in the same code? (a) LHKJ (b) LMJN (c) KLIM (d) JKHL
- 20.If HAND is written as DNAH, how is BOOK written in the same code? (a) CPPL (b) JNNA (c) KOOB (d) LPPC
- 21.If CAT is written as XZG, how is MILK written in the same code? (a) NROP (b) NJML (c) MQNO (d) OSPQ
- 22.If CAT is written as XZG, how is GOLD written in the same code? (a) UMPX (b) HPME (c) SKNV (d) TLOW
- 23.If BALL is written as YZOO, how is MILK written in the same code? (a) OSPQ (b) MQNO (c) NROP (d) NJML
- 24.If WIND is written as VHMC, how is KITE written in the same code? (a) KITE (b) IGRC (c) LJUF (d) JHSD
- 25.If FISH is written as URHS, how is KITE written in the same code? (a) OQFU (b) PRGV (c) LJUF (d) QSHW
- 26.If STAR is written as HGZI, how is TOYS written in the same code? (a) HMCI (b) FKAG (c) UPZT (d) GLBH
- 27.If MILK is written as KLIM, how is DESK written in the same code? (a) LTFE (b) KSED (c) JRDC (d) EFTL
- 28.If FISH is written as HSIF, how is TOYS written in the same code? (a) SYOT (b) UPZT (c) TZPU (d) RXNS
- 29.If PEN is written as KVM, how is PARK written in the same code? (a) KZIP (b) QBSL (c) LAJQ (d) JYHO
- 30.If NEST is written as PGUV, how is DOG written in the same code? (a) EPH (b) BME (c) FQI (d) GRJ
- 31.If SUN is written as MTR, how is CAT written in the same code? (a) TAC (b) SZB (c) UBD (d) BZS
- 32.If SUN is written as OVT, how is BOAT written in the same code? (a) TAOB (b) UBPC (c) SZNA (d) CPBU
- 33.If KITE is written as LJUF, how is COLD written in the same code? (a) EMPD (b) DPME (c) BNKC (d) EQNF
- 34.If DOG is written as EPH, how is FISH written in the same code? (a) GJTI (b) HKUJ (c) ITJG (d) EHRG
- 35.If BOOK is written as YLLP, how is FISH written in the same code? (a) VSIT (b) GJTI (c) TQGR (d) URHS
- 36.If HAND is written as SZMW, how is DOG written in the same code? (a) VKS (b) XMU (c) WLT (d) EPH
- 37.If LAMP is written as OZNK, how is KITE written in the same code? (a) OQFU (b) LJUF (c) PRGV (d) QSHW
- 38.If LAMP is written as QNBM, how is NEST written in the same code? (a) OFTU (b) SRDM (c) TSEN (d) UTFO
- 39.If GOLD is written as DLOG, how is JUMP written in the same code? (a) KVNQ (b) OLTI (c) PMUJ (d) QNVK
- 40.If WIND is written as DRMW, how is STAR written in the same code? (a) HGZI (b) GFYH (c) TUBS (d) IHAJ
Answer key
- GOD
- JCPF
- YLZG
- EKAC
- GMCE
- DNIW
- PMUJ
- NKQP
- MQQD
- RGHO
- PQKN
- ERDW
- TAC
- VHMC
- WLT
- ODM
- FGUM
- LLAB
- JKHL
- KOOB
- NROP
- TLOW
- NROP
- JHSD
- PRGV
- GLBH
- KSED
- SYOT
- KZIP
- FQI
- SZB
- UBPC
- DPME
- GJTI
- URHS
- WLT
- PRGV
- UTFO
- PMUJ
- HGZI
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