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 CAKE is written as XZPV, how is TREE written in the same code? (a) GIVV (b) USFF (c) FHUU (d) HJWW
- 2.If STAR is written as RSZQ, how is PEN written in the same code? (a) NCL (b) QFO (c) PEN (d) ODM
- 3.If FISH is written as URHS, how is BOAT written in the same code? (a) CPBU (b) YLZG (c) ZMAH (d) XKYF
- 4.If STAR is written as TUBS, how is BOOK written in the same code? (a) LPPC (b) ANNJ (c) DQQM (d) CPPL
- 5.If FISH is written as HSIF, how is PEN written in the same code? (a) OFQ (b) MDO (c) NEP (d) QFO
- 6.If LION is written as NOIL, how is TOYS written in the same code? (a) UPZT (b) SYOT (c) RXNS (d) TZPU
- 7.If STAR is written as VWDU, how is TOYS written in the same code? (a) QLVP (b) WRBV (c) VQAU (d) XSCW
- 8.If RAIN is written as SBJO, how is TOYS written in the same code? (a) SNXR (b) VQAU (c) TZPU (d) UPZT
- 9.If LAMP is written as JYKN, how is DRUM written in the same code? (a) AORJ (b) CQTL (c) BPSK (d) FTWO
- 10.If SUN is written as HFM, how is BOAT written in the same code? (a) YLZG (b) XKYF (c) ZMAH (d) CPBU
- 11.If BOOK is written as JNNA, how is GOLD written in the same code? (a) CKNF (b) EMPH (c) FNKC (d) DLOG
- 12.If KITE is written as MKVG, how is DRUM written in the same code? (a) BPSK (b) GUXP (c) ESVN (d) FTWO
- 13.If CAKE is written as DJZB, how is PARK written in the same code? (a) OZQJ (b) JQZO (c) LSBQ (d) KRAP
- 14.If RAIN is written as OJBS, how is WIND written in the same code? (a) DNIW (b) CMHV (c) XJOE (d) EOJX
- 15.If TREE is written as GIVV, how is COLD written in the same code? (a) YMPX (b) DPME (c) WKNV (d) XLOW
- 16.If RAIN is written as PYGL, how is DESK written in the same code? (a) ABPH (b) CDRJ (c) FGUM (d) BCQI
- 17.If DRUM is written as FTWO, how is TREE written in the same code? (a) USFF (b) RPCC (c) WUHH (d) VTGG
- 18.If SHIP is written as TIJQ, how is MILK written in the same code? (a) OKNM (b) NJML (c) LHKJ (d) LMJN
- 19.If BOAT is written as TAOB, how is DESK written in the same code? (a) LTFE (b) KSED (c) JRDC (d) EFTL
- 20.If BALL is written as LLAB, how is DOG written in the same code? (a) EPH (b) FNC (c) GOD (d) HPE
- 21.If MILK is written as KLIM, how is CAT written in the same code? (a) DBU (b) TAC (c) UBD (d) SZB
- 22.If FISH is written as HKUJ, how is LION written in the same code? (a) NKQP (b) OLRQ (c) MJPO (d) JGML
- 23.If DESK is written as LTFE, how is MOON written in the same code? (a) NOOM (b) NPPO (c) MNNL (d) OPPN
- 24.If TREE is written as GIVV, how is SUN written in the same code? (a) IGN (b) GEL (c) HFM (d) TVO
- 25.If MILK is written as MNKO, how is BOAT written in the same code? (a) TAOB (b) VCQD (c) RYMZ (d) DQCV
- 26.If LION is written as NKQP, how is SHIP written in the same code? (a) VKLS (b) QFGN (c) UJKR (d) TIJQ
- 27.If HAND is written as IBOE, how is MOON written in the same code? (a) LNNM (b) OPPN (c) OQQP (d) NPPO
- 28.If LAMP is written as OZNK, how is BOOK written in the same code? (a) ZMMQ (b) XKKO (c) CPPL (d) YLLP
- 29.If BALL is written as AZKK, how is BOAT written in the same code? (a) BOAT (b) ZMYR (c) ANZS (d) CPBU
- 30.If PARK is written as RCTM, how is TOYS written in the same code? (a) UPZT (b) RMWQ (c) WRBV (d) VQAU
- 31.If DRUM is written as OWTF, how is MOON written in the same code? (a) OQQP (b) LMMK (c) PQQO (d) NOOM
- 32.If SHIP is written as OHGR, how is BOAT written in the same code? (a) ANZS (b) TAOB (c) UBPC (d) SZNA
- 33.If PARK is written as LSBQ, how is TREE written in the same code? (a) DDQS (b) USFF (c) FFSU (d) EERT
- 34.If BOOK is written as CPPL, how is FISH written in the same code? (a) EHRG (b) HKUJ (c) ITJG (d) GJTI
- 35.If COLD is written as EQNF, how is BALL written in the same code? (a) ZYJJ (b) EDOO (c) CBMM (d) DCNN
- 36.If PARK is written as KRAP, how is WIND written in the same code? (a) DNIW (b) XJOE (c) CMHV (d) EOJX
- 37.If HAND is written as IBOE, how is STAR written in the same code? (a) UVCT (b) RSZQ (c) SBUT (d) TUBS
- 38.If NEST is written as TSEN, how is RAIN written in the same code? (a) OJBS (b) NIAR (c) MHZQ (d) SBJO
- 39.If LION is written as OPJM, how is SUN written in the same code? (a) NUS (b) TVO (c) MTR (d) OVT
- 40.If KITE is written as ETIK, how is PARK written in the same code? (a) LSBQ (b) QBSL (c) JQZO (d) KRAP
Answer key
- GIVV
- ODM
- YLZG
- CPPL
- NEP
- SYOT
- WRBV
- UPZT
- BPSK
- YLZG
- CKNF
- FTWO
- JQZO
- EOJX
- XLOW
- BCQI
- VTGG
- NJML
- KSED
- GOD
- TAC
- NKQP
- OPPN
- HFM
- VCQD
- UJKR
- NPPO
- YLLP
- ANZS
- VQAU
- PQQO
- SZNA
- FFSU
- GJTI
- DCNN
- DNIW
- TUBS
- NIAR
- OVT
- KRAP
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