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 MILK is written as KLIM, how is PARK written in the same code? (a) LSBQ (b) JQZO (c) QBSL (d) KRAP
- 2.If KITE is written as NLWH, how is TREE written in the same code? (a) WUHH (b) QOBB (c) XVII (d) VTGG
- 3.If CAT is written as FDW, how is TREE written in the same code? (a) QOBB (b) VTGG (c) WUHH (d) XVII
- 4.If FROG is written as IURJ, how is DESK written in the same code? (a) ABPH (b) FGUM (c) HIWO (d) GHVN
- 5.If PEN is written as QFO, how is PARK written in the same code? (a) QBSL (b) LSBQ (c) OZQJ (d) RCTM
- 6.If MOON is written as NLLM, how is SUN written in the same code? (a) TVO (b) HFM (c) IGN (d) GEL
- 7.If NEST is written as VUGP, how is MOON written in the same code? (a) LMMK (b) OQQP (c) PQQO (d) NOOM
- 8.If BOAT is written as CPBU, how is FISH written in the same code? (a) ITJG (b) HKUJ (c) GJTI (d) EHRG
- 9.If KITE is written as PRGV, how is WIND written in the same code? (a) CQLV (b) XJOE (c) DRMW (d) ESNX
- 10.If TREE is written as GGTV, how is BALL written in the same code? (a) DCNN (b) LLAB (c) JJYZ (d) NNCD
- 11.If WIND is written as DNIW, how is BOAT written in the same code? (a) TAOB (b) CPBU (c) UBPC (d) SZNA
- 12.If NEST is written as UTFO, how is MOON written in the same code? (a) NPPO (b) MNNL (c) OPPN (d) NOOM
- 13.If KITE is written as PRGV, how is DOG written in the same code? (a) VKS (b) WLT (c) EPH (d) XMU
- 14.If CAT is written as TAC, how is COLD written in the same code? (a) EMPD (b) CKNB (c) DLOC (d) DPME
- 15.If GOLD is written as EMPH, how is BELL written in the same code? (a) CFMM (b) KKDA (c) MMFC (d) LLEB
- 16.If COLD is written as XLOW, how is SUN written in the same code? (a) GEL (b) TVO (c) IGN (d) HFM
- 17.If DOG is written as GOD, how is NEST written in the same code? (a) SRDM (b) UTFO (c) OFTU (d) TSEN
- 18.If MILK is written as NROP, how is DESK written in the same code? (a) XWIQ (b) WVHP (c) EFTL (d) VUGO
- 19.If CAT is written as ECV, how is JUMP written in the same code? (a) MXPS (b) HSKN (c) KVNQ (d) LWOR
- 20.If MILK is written as LMJN, how is PARK written in the same code? (a) LSBQ (b) KRAP (c) QBSL (d) JQZO
- 21.If JUMP is written as QFNK, how is RAIN written in the same code? (a) SBJO (b) HYQL (c) IZRM (d) JASN
- 22.If KITE is written as JHSD, how is SUN written in the same code? (a) SUN (b) QSL (c) RTM (d) TVO
- 23.If GOLD is written as TLOW, how is CAKE written in the same code? (a) XZPV (b) DBLF (c) WYOU (d) YAQW
- 24.If SHIP is written as UJKR, how is DOG written in the same code? (a) GRJ (b) EPH (c) BME (d) FQI
- 25.If BOOK is written as CPPL, how is CAT written in the same code? (a) UBD (b) DBU (c) ECV (d) BZS
- 26.If JUMP is written as OLTI, how is FISH written in the same code? (a) HSIF (b) ITJG (c) EHRG (d) GRHE
- 27.If BELL is written as LLEB, how is CAT written in the same code? (a) UBD (b) TAC (c) DBU (d) SZB
- 28.If BOOK is written as LPPC, how is GOLD written in the same code? (a) CKNF (b) EMPH (c) HPME (d) DLOG
- 29.If PEN is written as OFQ, how is HAND written in the same code? (a) DNAH (b) EOBI (c) CMZG (d) IBOE
- 30.If RAIN is written as TCKP, how is BALL written in the same code? (a) EDOO (b) DCNN (c) CBMM (d) ZYJJ
- 31.If LAMP is written as QNBM, how is HAND written in the same code? (a) DNAH (b) CMZG (c) IBOE (d) EOBI
- 32.If LAMP is written as OZNK, how is SUN written in the same code? (a) TVO (b) HFM (c) GEL (d) IGN
- 33.If SHIP is written as TIJQ, how is RAIN written in the same code? (a) QZHM (b) OJBS (c) SBJO (d) TCKP
- 34.If PARK is written as OZQJ, how is PEN written in the same code? (a) QFO (b) ODM (c) PEN (d) NCL
- 35.If COLD is written as XLOW, how is DESK written in the same code? (a) WVHP (b) EFTL (c) XWIQ (d) VUGO
- 36.If STAR is written as HGZI, how is GOLD written in the same code? (a) SKNV (b) TLOW (c) HPME (d) UMPX
- 37.If TREE is written as USFF, how is TOYS written in the same code? (a) UPZT (b) TZPU (c) SNXR (d) VQAU
- 38.If DESK is written as WVHP, how is DOG written in the same code? (a) EPH (b) WLT (c) VKS (d) XMU
- 39.If BALL is written as YZOO, how is HAND written in the same code? (a) IBOE (b) RYLV (c) TANX (d) SZMW
- 40.If KITE is written as PRGV, how is SHIP written in the same code? (a) TIJQ (b) GRQJ (c) ITSL (d) HSRK
Answer key
- KRAP
- WUHH
- WUHH
- GHVN
- QBSL
- HFM
- PQQO
- GJTI
- DRMW
- NNCD
- TAOB
- OPPN
- WLT
- DLOC
- MMFC
- HFM
- TSEN
- WVHP
- LWOR
- LSBQ
- IZRM
- RTM
- XZPV
- FQI
- DBU
- GRHE
- TAC
- EMPH
- EOBI
- DCNN
- EOBI
- HFM
- SBJO
- ODM
- WVHP
- TLOW
- UPZT
- WLT
- SZMW
- HSRK
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