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 NEST is written as MVHG, how is MILK written in the same code? (a) NROP (b) NJML (c) MQNO (d) OSPQ
- 2.If JUMP is written as QFNK, how is BOOK written in the same code? (a) ZMMQ (b) XKKO (c) CPPL (d) YLLP
- 3.If RAIN is written as SBJO, how is MILK written in the same code? (a) OKNM (b) LHKJ (c) LMJN (d) NJML
- 4.If GOLD is written as JROG, how is LAMP written in the same code? (a) IXJM (b) NCOR (c) PEQT (d) ODPS
- 5.If DESK is written as KSED, how is PEN written in the same code? (a) NEP (b) OFQ (c) QFO (d) MDO
- 6.If NEST is written as MDRS, how is GOLD written in the same code? (a) HPME (b) GOLD (c) FNKC (d) EMJB
- 7.If SHIP is written as UJKR, how is LION written in the same code? (a) NKQP (b) MJPO (c) OLRQ (d) JGML
- 8.If LION is written as NOIL, how is BALL written in the same code? (a) KKZA (b) LLAB (c) MMBC (d) CBMM
- 9.If DOG is written as BME, how is SHIP written in the same code? (a) PEFM (b) QFGN (c) UJKR (d) RGHO
- 10.If KITE is written as PRGV, how is RAIN written in the same code? (a) HYQL (b) IZRM (c) JASN (d) SBJO
- 11.If COLD is written as FROG, how is SUN written in the same code? (a) WYR (b) PRK (c) UWP (d) VXQ
- 12.If PEN is written as PGR, how is HAND written in the same code? (a) DNAH (b) JCPF (c) BLYF (d) FPCJ
- 13.If COLD is written as EQNF, how is FISH written in the same code? (a) ILVK (b) HKUJ (c) GJTI (d) DGQF
- 14.If KITE is written as GVKM, how is CAKE written in the same code? (a) ECMG (b) GMCE (c) EKAC (d) CIYA
- 15.If DOG is written as WLT, how is PEN written in the same code? (a) JUL (b) QFO (c) KVM (d) LWN
- 16.If STAR is written as HGZI, how is DESK written in the same code? (a) XWIQ (b) EFTL (c) WVHP (d) VUGO
- 17.If FROG is written as UILT, how is COLD written in the same code? (a) YMPX (b) DPME (c) XLOW (d) WKNV
- 18.If SUN is written as HFM, how is LION written in the same code? (a) PSMN (b) ORLM (c) MJPO (d) NQKL
- 19.If COLD is written as EMPD, how is BALL written in the same code? (a) KKZA (b) LLAB (c) CBMM (d) MMBC
- 20.If WIND is written as DRMW, how is LAMP written in the same code? (a) PAOL (b) MBNQ (c) NYMJ (d) OZNK
- 21.If LION is written as ORLM, how is WIND written in the same code? (a) CQLV (b) XJOE (c) ESNX (d) DRMW
- 22.If PEN is written as KVM, how is MILK written in the same code? (a) MQNO (b) NJML (c) NROP (d) OSPQ
- 23.If STAR is written as HGZI, how is CAT written in the same code? (a) XZG (b) WYF (c) DBU (d) YAH
- 24.If JUMP is written as HSKN, how is CAKE written in the same code? (a) ZXHB (b) ECMG (c) AYIC (d) BZJD
- 25.If RAIN is written as QZHM, how is HAND written in the same code? (a) FYLB (b) GZMC (c) HAND (d) IBOE
- 26.If TREE is written as GGTV, how is PARK written in the same code? (a) MTCR (b) KRAP (c) RCTM (d) IPYN
- 27.If STAR is written as RATS, how is BALL written in the same code? (a) LLAB (b) KKZA (c) CBMM (d) MMBC
- 28.If NEST is written as TSEN, how is CAKE written in the same code? (a) DJZB (b) DBLF (c) EKAC (d) FLBD
- 29.If LION is written as NOIL, how is BELL written in the same code? (a) CFMM (b) LLEB (c) MMFC (d) KKDA
- 30.If CAKE is written as XZPV, how is SHIP written in the same code? (a) HSRK (b) ITSL (c) TIJQ (d) GRQJ
- 31.If KITE is written as ETIK, how is JUMP written in the same code? (a) OLTI (b) QNVK (c) KVNQ (d) PMUJ
- 32.If PEN is written as KVM, how is BOOK written in the same code? (a) ZMMQ (b) CPPL (c) YLLP (d) XKKO
- 33.If TOYS is written as SYOT, how is CAT written in the same code? (a) DBU (b) UBD (c) SZB (d) TAC
- 34.If LAMP is written as ROCN, how is BALL written in the same code? (a) DCNN (b) JJYZ (c) NNCD (d) LLAB
- 35.If RAIN is written as IZRM, how is BELL written in the same code? (a) YVOO (b) XUNN (c) ZWPP (d) CFMM
- 36.If HAND is written as FPCJ, how is PARK written in the same code? (a) MTCR (b) RCTM (c) KRAP (d) IPYN
- 37.If MOON is written as NLLM, how is LION written in the same code? (a) MJPO (b) NQKL (c) PSMN (d) ORLM
- 38.If BOOK is written as YLLP, how is BOAT written in the same code? (a) CPBU (b) ZMAH (c) YLZG (d) XKYF
- 39.If COLD is written as AMJB, how is DESK written in the same code? (a) CDRJ (b) ABPH (c) FGUM (d) BCQI
- 40.If KITE is written as DSHJ, how is FISH written in the same code? (a) EHRG (b) ITJG (c) HSIF (d) GRHE
Answer key
- NROP
- YLLP
- NJML
- ODPS
- NEP
- FNKC
- NKQP
- LLAB
- QFGN
- IZRM
- VXQ
- FPCJ
- HKUJ
- GMCE
- KVM
- WVHP
- XLOW
- ORLM
- MMBC
- OZNK
- DRMW
- NROP
- XZG
- AYIC
- GZMC
- MTCR
- LLAB
- EKAC
- LLEB
- HSRK
- PMUJ
- YLLP
- TAC
- NNCD
- YVOO
- MTCR
- ORLM
- YLZG
- BCQI
- GRHE
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