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 SUN is written as HFM, how is JUMP written in the same code? (a) RGOL (b) PEMJ (c) KVNQ (d) QFNK
- 2.If DRUM is written as FTWO, how is BOAT written in the same code? (a) ZMYR (b) ERDW (c) DQCV (d) CPBU
- 3.If TOYS is written as WRBV, how is BOOK written in the same code? (a) DQQM (b) YLLH (c) FSSO (d) ERRN
- 4.If MILK is written as KLIM, how is SUN written in the same code? (a) OVT (b) TVO (c) NUS (d) MTR
- 5.If MILK is written as PLON, how is TOYS written in the same code? (a) XSCW (b) QLVP (c) VQAU (d) WRBV
- 6.If BOAT is written as YLZG, how is MOON written in the same code? (a) NPPO (b) MKKL (c) NLLM (d) OMMN
- 7.If DOG is written as WLT, how is SUN written in the same code? (a) IGN (b) HFM (c) GEL (d) TVO
- 8.If FISH is written as GJTI, how is DESK written in the same code? (a) LTFE (b) FGUM (c) CDRJ (d) EFTL
- 9.If CAT is written as DBU, how is HAND written in the same code? (a) IBOE (b) JCPF (c) EOBI (d) GZMC
- 10.If BOAT is written as YLZG, how is STAR written in the same code? (a) HGZI (b) GFYH (c) TUBS (d) IHAJ
- 11.If NEST is written as TSEN, how is TOYS written in the same code? (a) SYOT (b) TZPU (c) RXNS (d) UPZT
- 12.If MILK is written as NROP, how is SHIP written in the same code? (a) HSRK (b) ITSL (c) GRQJ (d) TIJQ
- 13.If JUMP is written as PMUJ, how is BELL written in the same code? (a) KKDA (b) MMFC (c) LLEB (d) CFMM
- 14.If KITE is written as PRGV, how is PARK written in the same code? (a) JYHO (b) LAJQ (c) QBSL (d) KZIP
- 15.If BOOK is written as YLLP, how is DRUM written in the same code? (a) XJGO (b) VHEM (c) ESVN (d) WIFN
- 16.If KITE is written as GVKM, how is SUN written in the same code? (a) PWU (b) UWP (c) NUS (d) LSQ
- 17.If BOOK is written as MQQD, how is BOAT written in the same code? (a) DQCV (b) VCQD (c) TAOB (d) RYMZ
- 18.If DOG is written as GOD, how is PARK written in the same code? (a) LSBQ (b) QBSL (c) JQZO (d) KRAP
- 19.If BELL is written as CFMM, how is STAR written in the same code? (a) UVCT (b) RSZQ (c) SBUT (d) TUBS
- 20.If BELL is written as YVOO, how is LION written in the same code? (a) NQKL (b) ORLM (c) PSMN (d) MJPO
- 21.If PARK is written as KZIP, how is CAT written in the same code? (a) XZG (b) WYF (c) YAH (d) DBU
- 22.If CAT is written as XZG, how is PEN written in the same code? (a) JUL (b) KVM (c) LWN (d) QFO
- 23.If DRUM is written as WIFN, how is JUMP written in the same code? (a) KVNQ (b) RGOL (c) QFNK (d) PEMJ
- 24.If PARK is written as MTCR, how is MOON written in the same code? (a) LMMK (b) OQQP (c) PQQO (d) NOOM
- 25.If DRUM is written as FTWO, how is RAIN written in the same code? (a) TCKP (b) PYGL (c) UDLQ (d) SBJO
- 26.If JUMP is written as QNVK, how is PEN written in the same code? (a) NEP (b) QFO (c) MDO (d) OFQ
- 27.If WIND is written as ZLQG, how is BOOK written in the same code? (a) ERRN (b) YLLH (c) DQQM (d) FSSO
- 28.If WIND is written as ZLQG, how is FISH written in the same code? (a) CFPE (b) HKUJ (c) ILVK (d) JMWL
- 29.If JUMP is written as QFNK, how is DESK written in the same code? (a) EFTL (b) VUGO (c) XWIQ (d) WVHP
- 30.If CAKE is written as ECMG, how is KITE written in the same code? (a) IGRC (b) LJUF (c) MKVG (d) NLWH
- 31.If HAND is written as SZMW, how is STAR written in the same code? (a) HGZI (b) TUBS (c) IHAJ (d) GFYH
- 32.If TOYS is written as VQAU, how is BALL written in the same code? (a) CBMM (b) EDOO (c) DCNN (d) ZYJJ
- 33.If NEST is written as QHVW, how is DRUM written in the same code? (a) FTWO (b) AORJ (c) GUXP (d) HVYQ
- 34.If LAMP is written as OZNK, how is DRUM written in the same code? (a) VHEM (b) ESVN (c) WIFN (d) XJGO
- 35.If DESK is written as CDRJ, how is BOOK written in the same code? (a) BOOK (b) CPPL (c) ANNJ (d) ZMMI
- 36.If COLD is written as XLOW, how is MOON written in the same code? (a) MKKL (b) OMMN (c) NLLM (d) NPPO
- 37.If BOAT is written as TAOB, how is DOG written in the same code? (a) GOD (b) HPE (c) EPH (d) FNC
- 38.If BOAT is written as ANZS, how is BELL written in the same code? (a) BELL (b) ADKK (c) CFMM (d) ZCJJ
- 39.If JUMP is written as LWOR, how is DRUM written in the same code? (a) FTWO (b) BPSK (c) ESVN (d) GUXP
- 40.If FISH is written as HSIF, how is COLD written in the same code? (a) EMPD (b) DPME (c) CKNB (d) DLOC
Answer key
- QFNK
- DQCV
- ERRN
- NUS
- WRBV
- NLLM
- HFM
- EFTL
- IBOE
- HGZI
- SYOT
- HSRK
- LLEB
- KZIP
- WIFN
- PWU
- VCQD
- KRAP
- TUBS
- ORLM
- XZG
- KVM
- QFNK
- PQQO
- TCKP
- OFQ
- ERRN
- ILVK
- WVHP
- MKVG
- HGZI
- DCNN
- GUXP
- WIFN
- ANNJ
- NLLM
- GOD
- ADKK
- FTWO
- DLOC
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