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 BALL is written as LLAB, how is WIND written in the same code? (a) EOJX (b) XJOE (c) DNIW (d) CMHV
- 2.If HAND is written as DNAH, how is CAKE written in the same code? (a) FLBD (b) DJZB (c) DBLF (d) EKAC
- 3.If MOON is written as OQQP, how is BOAT written in the same code? (a) CPBU (b) ERDW (c) ZMYR (d) DQCV
- 4.If BOOK is written as CPPL, how is LION written in the same code? (a) KHNM (b) MJPO (c) NKQP (d) OPJM
- 5.If CAT is written as VCE, how is GOLD written in the same code? (a) DLOG (b) IQNF (c) FNQI (d) BJME
- 6.If BOOK is written as ANNJ, how is CAT written in the same code? (a) DBU (b) CAT (c) BZS (d) AYR
- 7.If BOOK is written as MQQD, how is FROG written in the same code? (a) EMPD (b) GORF (c) HTQI (d) IQTH
- 8.If DOG is written as GOD, how is CAKE written in the same code? (a) DBLF (b) EKAC (c) DJZB (d) FLBD
- 9.If MOON is written as NLLM, how is DOG written in the same code? (a) VKS (b) EPH (c) XMU (d) WLT
- 10.If RAIN is written as MHZQ, how is CAKE written in the same code? (a) DJZB (b) FLBD (c) EKAC (d) BZJD
- 11.If SUN is written as PWU, how is RAIN written in the same code? (a) TCKP (b) LGYP (c) NIAR (d) PKCT
- 12.If HAND is written as SZMW, how is MILK written in the same code? (a) NROP (b) MQNO (c) OSPQ (d) NJML
- 13.If TOYS is written as UPZT, how is SHIP written in the same code? (a) QJIT (b) TIJQ (c) UJKR (d) RGHO
- 14.If BALL is written as MMBC, how is GOLD written in the same code? (a) DLOG (b) EMPH (c) CKNF (d) HPME
- 15.If FROG is written as UILT, how is KITE written in the same code? (a) OQFU (b) QSHW (c) PRGV (d) LJUF
- 16.If JUMP is written as QFNK, how is DOG written in the same code? (a) VKS (b) WLT (c) XMU (d) EPH
- 17.If TREE is written as USFF, how is BOOK written in the same code? (a) ANNJ (b) CPPL (c) LPPC (d) DQQM
- 18.If BOAT is written as ANZS, how is BOOK written in the same code? (a) BOOK (b) CPPL (c) ZMMI (d) ANNJ
- 19.If PARK is written as MTCR, how is DESK written in the same code? (a) KSED (b) MUGF (c) IQCB (d) FGUM
- 20.If PARK is written as OZQJ, how is FISH written in the same code? (a) EHRG (b) DGQF (c) GJTI (d) FISH
- 21.If GOLD is written as EMPH, how is PEN written in the same code? (a) MDO (b) OFQ (c) NEP (d) QFO
- 22.If DRUM is written as WIFN, how is PEN written in the same code? (a) KVM (b) JUL (c) LWN (d) QFO
- 23.If FISH is written as ITJG, how is SUN written in the same code? (a) TVO (b) NUS (c) OVT (d) MTR
- 24.If STAR is written as RATS, how is BOOK written in the same code? (a) KOOB (b) JNNA (c) CPPL (d) LPPC
- 25.If BELL is written as ADKK, how is GOLD written in the same code? (a) EMJB (b) FNKC (c) HPME (d) GOLD
- 26.If CAT is written as UBD, how is CAKE written in the same code? (a) FLBD (b) EKAC (c) DBLF (d) DJZB
- 27.If WIND is written as EOJX, how is PEN written in the same code? (a) OFQ (b) NEP (c) QFO (d) MDO
- 28.If DOG is written as WLT, how is CAKE written in the same code? (a) XZPV (b) YAQW (c) WYOU (d) DBLF
- 29.If MOON is written as PQQO, how is HAND written in the same code? (a) DNAH (b) JCPF (c) FPCJ (d) BLYF
- 30.If CAT is written as DBU, how is MILK written in the same code? (a) LHKJ (b) NJML (c) OKNM (d) LMJN
- 31.If BOOK is written as YLLP, how is KITE written in the same code? (a) LJUF (b) PRGV (c) QSHW (d) OQFU
- 32.If BOAT is written as TAOB, how is COLD written in the same code? (a) EMPD (b) DPME (c) DLOC (d) CKNB
- 33.If CAKE is written as FDNH, how is GOLD written in the same code? (a) KSPH (b) DLIA (c) IQNF (d) JROG
- 34.If PARK is written as KZIP, how is FROG written in the same code? (a) VJMU (b) THKS (c) UILT (d) GSPH
- 35.If NEST is written as MVHG, how is DESK written in the same code? (a) XWIQ (b) EFTL (c) VUGO (d) WVHP
- 36.If DESK is written as WVHP, how is HAND written in the same code? (a) SZMW (b) TANX (c) IBOE (d) RYLV
- 37.If SHIP is written as HSRK, how is CAT written in the same code? (a) WYF (b) XZG (c) DBU (d) YAH
- 38.If BELL is written as ZCJJ, how is MOON written in the same code? (a) OQQP (b) LNNM (c) JLLK (d) KMML
- 39.If BALL is written as ZYJJ, how is BELL written in the same code? (a) ADKK (b) DGNN (c) YBII (d) ZCJJ
- 40.If COLD is written as EQNF, how is LION written in the same code? (a) MJPO (b) JGML (c) NKQP (d) OLRQ
Answer key
- DNIW
- EKAC
- DQCV
- MJPO
- FNQI
- BZS
- IQTH
- EKAC
- WLT
- DJZB
- PKCT
- NROP
- TIJQ
- EMPH
- PRGV
- WLT
- CPPL
- ANNJ
- MUGF
- EHRG
- OFQ
- KVM
- OVT
- KOOB
- FNKC
- FLBD
- OFQ
- XZPV
- FPCJ
- NJML
- PRGV
- DLOC
- JROG
- UILT
- WVHP
- SZMW
- XZG
- KMML
- ZCJJ
- NKQP
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