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 JUMP is written as MXPS, how is CAT written in the same code? (a) ECV (b) ZXQ (c) FDW (d) GEX
- 2.If RAIN is written as IZRM, how is CAT written in the same code? (a) YAH (b) WYF (c) XZG (d) DBU
- 3.If PARK is written as KZIP, how is BELL written in the same code? (a) ZWPP (b) XUNN (c) CFMM (d) YVOO
- 4.If PARK is written as OZQJ, how is KITE written in the same code? (a) JHSD (b) LJUF (c) KITE (d) IGRC
- 5.If DESK is written as LTFE, how is HAND written in the same code? (a) DNAH (b) CMZG (c) EOBI (d) IBOE
- 6.If DOG is written as EPH, how is KITE written in the same code? (a) JHSD (b) LJUF (c) FUJL (d) MKVG
- 7.If SUN is written as QSL, how is BOAT written in the same code? (a) DQCV (b) YLXQ (c) ZMYR (d) ANZS
- 8.If DRUM is written as BPSK, how is NEST written in the same code? (a) LCQR (b) MDRS (c) KBPQ (d) PGUV
- 9.If STAR is written as RATS, how is WIND written in the same code? (a) XJOE (b) CMHV (c) DNIW (d) EOJX
- 10.If DOG is written as FQI, how is LION written in the same code? (a) OLRQ (b) NKQP (c) JGML (d) MJPO
- 11.If PEN is written as RGP, how is HAND written in the same code? (a) IBOE (b) KDQG (c) FYLB (d) JCPF
- 12.If FROG is written as GSPH, how is SHIP written in the same code? (a) RGHO (b) QJIT (c) TIJQ (d) UJKR
- 13.If KITE is written as IGRC, how is BELL written in the same code? (a) ZCJJ (b) DGNN (c) ADKK (d) YBII
- 14.If HAND is written as FPCJ, how is DRUM written in the same code? (a) FTWO (b) OWTF (c) MURD (d) KSPB
- 15.If HAND is written as GZMC, how is JUMP written in the same code? (a) JUMP (b) HSKN (c) KVNQ (d) ITLO
- 16.If FROG is written as HPSG, how is MILK written in the same code? (a) NJML (b) JKHL (c) KLIM (d) LMJN
- 17.If MILK is written as KGJI, how is MOON written in the same code? (a) LNNM (b) JLLK (c) OQQP (d) KMML
- 18.If GOLD is written as TLOW, how is MOON written in the same code? (a) NLLM (b) OMMN (c) MKKL (d) NPPO
- 19.If TREE is written as EERT, how is SUN written in the same code? (a) MTR (b) OVT (c) NUS (d) TVO
- 20.If TOYS is written as WRBV, how is BOOK written in the same code? (a) DQQM (b) YLLH (c) FSSO (d) ERRN
- 21.If PEN is written as KVM, how is SUN written in the same code? (a) GEL (b) HFM (c) IGN (d) TVO
- 22.If FISH is written as GJTI, how is SUN written in the same code? (a) TVO (b) UWP (c) RTM (d) OVT
- 23.If CAKE is written as XZPV, how is KITE written in the same code? (a) LJUF (b) OQFU (c) QSHW (d) PRGV
- 24.If TREE is written as GIVV, how is GOLD written in the same code? (a) SKNV (b) TLOW (c) HPME (d) UMPX
- 25.If SUN is written as MTR, how is BALL written in the same code? (a) AZKK (b) LLAB (c) KKZA (d) MMBC
- 26.If DOG is written as GOD, how is HAND written in the same code? (a) EOBI (b) IBOE (c) CMZG (d) DNAH
- 27.If BOAT is written as DQCV, how is LAMP written in the same code? (a) MBNQ (b) NCOR (c) JYKN (d) ODPS
- 28.If BALL is written as CBMM, how is MOON written in the same code? (a) OPPN (b) NPPO (c) LNNM (d) OQQP
- 29.If GOLD is written as FNKC, how is RAIN written in the same code? (a) QZHM (b) PYGL (c) RAIN (d) SBJO
- 30.If BOOK is written as MQQD, how is DESK written in the same code? (a) MUGF (b) FGUM (c) KSED (d) IQCB
- 31.If MOON is written as OQQP, how is JUMP written in the same code? (a) MXPS (b) LWOR (c) KVNQ (d) HSKN
- 32.If TREE is written as WUHH, how is COLD written in the same code? (a) EQNF (b) FROG (c) GSPH (d) ZLIA
- 33.If LION is written as ORLM, how is PARK written in the same code? (a) KZIP (b) LAJQ (c) JYHO (d) QBSL
- 34.If KITE is written as FUJL, how is DESK written in the same code? (a) EFTL (b) LTFE (c) JRDC (d) KSED
- 35.If STAR is written as TUBS, how is KITE written in the same code? (a) MKVG (b) FUJL (c) LJUF (d) JHSD
- 36.If WIND is written as FPKY, how is HAND written in the same code? (a) DNAH (b) JCPF (c) FPCJ (d) BLYF
- 37.If GOLD is written as JROG, how is BALL written in the same code? (a) FEPP (b) YXII (c) EDOO (d) DCNN
- 38.If CAT is written as XZG, how is PARK written in the same code? (a) JYHO (b) KZIP (c) QBSL (d) LAJQ
- 39.If PEN is written as NEP, how is DOG written in the same code? (a) FNC (b) GOD (c) HPE (d) EPH
- 40.If FISH is written as GRHE, how is DOG written in the same code? (a) GOD (b) HPE (c) CNF (d) FNC
Answer key
- FDW
- XZG
- YVOO
- JHSD
- EOBI
- LJUF
- ZMYR
- LCQR
- DNIW
- NKQP
- JCPF
- TIJQ
- ZCJJ
- OWTF
- ITLO
- LMJN
- KMML
- NLLM
- NUS
- ERRN
- HFM
- TVO
- PRGV
- TLOW
- KKZA
- DNAH
- NCOR
- NPPO
- QZHM
- MUGF
- LWOR
- FROG
- KZIP
- LTFE
- LJUF
- FPCJ
- EDOO
- KZIP
- GOD
- FNC
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