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 PRGV, how is RAIN written in the same code? (a) SBJO (b) JASN (c) IZRM (d) HYQL
- 2.If STAR is written as RATS, how is MOON written in the same code? (a) NPPO (b) MNNL (c) OPPN (d) NOOM
- 3.If KITE is written as IGRC, how is FROG written in the same code? (a) EQNF (b) DPME (c) HTQI (d) COLD
- 4.If FROG is written as UILT, how is TREE written in the same code? (a) GIVV (b) FHUU (c) HJWW (d) USFF
- 5.If BOAT is written as CPBU, how is DOG written in the same code? (a) HPE (b) FQI (c) EPH (d) CNF
- 6.If BALL is written as YZOO, how is HAND written in the same code? (a) TANX (b) IBOE (c) RYLV (d) SZMW
- 7.If FROG is written as DPME, how is LION written in the same code? (a) IFLK (b) JGML (c) NKQP (d) KHNM
- 8.If COLD is written as DLOC, how is NEST written in the same code? (a) OFTU (b) UTFO (c) SRDM (d) TSEN
- 9.If CAT is written as UBD, how is MOON written in the same code? (a) NOOM (b) MNNL (c) NPPO (d) OPPN
- 10.If STAR is written as SBUT, how is LAMP written in the same code? (a) MBNQ (b) OLZK (c) PMAL (d) QNBM
- 11.If GOLD is written as JROG, how is BELL written in the same code? (a) FIPP (b) DGNN (c) YBII (d) EHOO
- 12.If PEN is written as SHQ, how is TREE written in the same code? (a) WUHH (b) QOBB (c) VTGG (d) XVII
- 13.If DESK is written as CDRJ, how is PARK written in the same code? (a) QBSL (b) PARK (c) NYPI (d) OZQJ
- 14.If JUMP is written as PMUJ, how is FISH written in the same code? (a) GJTI (b) ITJG (c) GRHE (d) HSIF
- 15.If GOLD is written as FNKC, how is BOOK written in the same code? (a) ANNJ (b) BOOK (c) CPPL (d) ZMMI
- 16.If BOOK is written as MQQD, how is STAR written in the same code? (a) RATS (b) TCVU (c) UVCT (d) PYRQ
- 17.If STAR is written as HGZI, how is NEST written in the same code? (a) OFTU (b) LUGF (c) MVHG (d) NWIH
- 18.If PEN is written as OFQ, how is MOON written in the same code? (a) NOOM (b) NPPO (c) MNNL (d) OPPN
- 19.If BALL is written as LLAB, how is SUN written in the same code? (a) NUS (b) TVO (c) MTR (d) OVT
- 20.If BALL is written as YZOO, how is LAMP written in the same code? (a) OZNK (b) MBNQ (c) NYMJ (d) PAOL
- 21.If GOLD is written as EMPH, how is PEN written in the same code? (a) NEP (b) OFQ (c) MDO (d) QFO
- 22.If TREE is written as FFSU, how is BOAT written in the same code? (a) UBPC (b) TAOB (c) CPBU (d) SZNA
- 23.If BOOK is written as YLLP, how is HAND written in the same code? (a) SZMW (b) RYLV (c) TANX (d) IBOE
- 24.If TOYS is written as RXNS, how is PARK written in the same code? (a) KRAP (b) OZQJ (c) LSBQ (d) JQZO
- 25.If BELL is written as LLEB, how is CAKE written in the same code? (a) FLBD (b) EKAC (c) DJZB (d) DBLF
- 26.If HAND is written as EOBI, how is NEST written in the same code? (a) OFTU (b) SRDM (c) TSEN (d) UTFO
- 27.If STAR is written as RSZQ, how is SUN written in the same code? (a) QSL (b) SUN (c) TVO (d) RTM
- 28.If FROG is written as UILT, how is KITE written in the same code? (a) PRGV (b) QSHW (c) OQFU (d) LJUF
- 29.If KITE is written as PRGV, how is CAKE written in the same code? (a) DBLF (b) XZPV (c) WYOU (d) YAQW
- 30.If PEN is written as QFO, how is HAND written in the same code? (a) IBOE (b) GZMC (c) JCPF (d) EOBI
- 31.If STAR is written as HGZI, how is TREE written in the same code? (a) HJWW (b) FHUU (c) USFF (d) GIVV
- 32.If GOLD is written as IQNF, how is WIND written in the same code? (a) YKPF (b) ZLQG (c) XJOE (d) UGLB
- 33.If BOAT is written as ANZS, how is WIND written in the same code? (a) UGLB (b) XJOE (c) VHMC (d) WIND
- 34.If LAMP is written as OZNK, how is MILK written in the same code? (a) OSPQ (b) NROP (c) MQNO (d) NJML
- 35.If BOAT is written as ANZS, how is RAIN written in the same code? (a) PYGL (b) RAIN (c) SBJO (d) QZHM
- 36.If STAR is written as QZSR, how is HAND written in the same code? (a) EOBI (b) GZMC (c) CMZG (d) DNAH
- 37.If STAR is written as VWDU, how is PEN written in the same code? (a) MBK (b) SHQ (c) TIR (d) RGP
- 38.If DRUM is written as NVSE, how is MILK written in the same code? (a) JKHL (b) LMJN (c) NJML (d) KLIM
- 39.If LAMP is written as OZNK, how is GOLD written in the same code? (a) TLOW (b) UMPX (c) SKNV (d) HPME
- 40.If BALL is written as YZOO, how is PARK written in the same code? (a) LAJQ (b) QBSL (c) KZIP (d) JYHO
Answer key
- IZRM
- NOOM
- DPME
- GIVV
- EPH
- SZMW
- JGML
- TSEN
- OPPN
- QNBM
- EHOO
- WUHH
- OZQJ
- HSIF
- ANNJ
- TCVU
- MVHG
- OPPN
- NUS
- OZNK
- OFQ
- UBPC
- SZMW
- JQZO
- EKAC
- UTFO
- RTM
- PRGV
- XZPV
- IBOE
- GIVV
- YKPF
- VHMC
- NROP
- QZHM
- CMZG
- SHQ
- LMJN
- TLOW
- KZIP
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