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 CAT is written as VCE, how is TREE written in the same code? (a) VTGG (b) CCPR (c) EERT (d) GGTV
- 2.If PARK is written as QBSL, how is MILK written in the same code? (a) OKNM (b) LMJN (c) NJML (d) LHKJ
- 3.If LION is written as OPJM, how is DOG written in the same code? (a) EPH (b) HPE (c) GOD (d) FNC
- 4.If BELL is written as DGNN, how is CAKE written in the same code? (a) DBLF (b) FDNH (c) AYIC (d) ECMG
- 5.If BELL is written as KKDA, how is MOON written in the same code? (a) NOOM (b) MNNL (c) OPPN (d) LNNM
- 6.If BOAT is written as CPBU, how is NEST written in the same code? (a) PGUV (b) OFTU (c) UTFO (d) MDRS
- 7.If DOG is written as GOD, how is SUN written in the same code? (a) NUS (b) OVT (c) MTR (d) TVO
- 8.If LION is written as NKQP, how is DRUM written in the same code? (a) GUXP (b) BPSK (c) ESVN (d) FTWO
- 9.If SUN is written as NUS, how is FISH written in the same code? (a) ITJG (b) GRHE (c) HSIF (d) GJTI
- 10.If GOLD is written as EMJB, how is PARK written in the same code? (a) RCTM (b) NYPI (c) MXOH (d) OZQJ
- 11.If CAKE is written as EKAC, how is PARK written in the same code? (a) LSBQ (b) JQZO (c) KRAP (d) QBSL
- 12.If FISH is written as JUKH, how is RAIN written in the same code? (a) TCKP (b) LGYP (c) NIAR (d) PKCT
- 13.If DOG is written as IQF, how is DRUM written in the same code? (a) OWTF (b) MURD (c) FTWO (d) KSPB
- 14.If WIND is written as DNIW, how is DESK written in the same code? (a) EFTL (b) LTFE (c) KSED (d) JRDC
- 15.If LION is written as OLRQ, how is BELL written in the same code? (a) YBII (b) DGNN (c) EHOO (d) FIPP
- 16.If FISH is written as ITJG, how is TREE written in the same code? (a) DDQS (b) USFF (c) FFSU (d) EERT
- 17.If STAR is written as TCVU, how is TOYS written in the same code? (a) VQAU (b) SYOT (c) UAQV (d) QWMR
- 18.If KITE is written as MKVG, how is BALL written in the same code? (a) EDOO (b) ZYJJ (c) CBMM (d) DCNN
- 19.If DESK is written as WVHP, how is CAT written in the same code? (a) XZG (b) YAH (c) WYF (d) DBU
- 20.If DRUM is written as WIFN, how is BALL written in the same code? (a) YZOO (b) XYNN (c) CBMM (d) ZAPP
- 21.If BALL is written as YZOO, how is TREE written in the same code? (a) USFF (b) HJWW (c) FHUU (d) GIVV
- 22.If KITE is written as NLWH, how is LION written in the same code? (a) IFLK (b) OLRQ (c) PMSR (d) NKQP
- 23.If LION is written as ORLM, how is TOYS written in the same code? (a) GLBH (b) UPZT (c) HMCI (d) FKAG
- 24.If BALL is written as LLAB, how is JUMP written in the same code? (a) OLTI (b) PMUJ (c) KVNQ (d) QNVK
- 25.If SHIP is written as HSRK, how is WIND written in the same code? (a) CQLV (b) ESNX (c) XJOE (d) DRMW
- 26.If KITE is written as PRGV, how is SUN written in the same code? (a) TVO (b) HFM (c) GEL (d) IGN
- 27.If BOOK is written as JNNA, how is MOON written in the same code? (a) MNNL (b) OPPN (c) LNNM (d) NOOM
- 28.If LAMP is written as ODPS, how is TOYS written in the same code? (a) VQAU (b) WRBV (c) QLVP (d) XSCW
- 29.If TOYS is written as GLBH, how is DESK written in the same code? (a) VUGO (b) XWIQ (c) EFTL (d) WVHP
- 30.If FISH is written as ILVK, how is TREE written in the same code? (a) VTGG (b) QOBB (c) XVII (d) WUHH
- 31.If FISH is written as URHS, how is LION written in the same code? (a) PSMN (b) NQKL (c) ORLM (d) MJPO
- 32.If BOOK is written as YLLP, how is PEN written in the same code? (a) JUL (b) LWN (c) KVM (d) QFO
- 33.If TOYS is written as SNXR, how is FISH written in the same code? (a) EHRG (b) FISH (c) GJTI (d) DGQF
- 34.If LION is written as NKQP, how is BALL written in the same code? (a) CBMM (b) ZYJJ (c) DCNN (d) EDOO
- 35.If DESK is written as KSED, how is LAMP written in the same code? (a) QNBM (b) MBNQ (c) OLZK (d) PMAL
- 36.If LION is written as OPJM, how is CAT written in the same code? (a) TAC (b) DBU (c) UBD (d) SZB
- 37.If WIND is written as DNIW, how is CAKE written in the same code? (a) DBLF (b) FLBD (c) DJZB (d) EKAC
- 38.If CAKE is written as DBLF, how is HAND written in the same code? (a) IBOE (b) GZMC (c) JCPF (d) EOBI
- 39.If HAND is written as CMZG, how is GOLD written in the same code? (a) EMPH (b) FNKC (c) DLOG (d) CKNF
- 40.If MILK is written as KLIM, how is WIND written in the same code? (a) EOJX (b) CMHV (c) XJOE (d) DNIW
Answer key
- GGTV
- NJML
- HPE
- ECMG
- MNNL
- OFTU
- NUS
- FTWO
- HSIF
- NYPI
- KRAP
- PKCT
- OWTF
- KSED
- EHOO
- FFSU
- UAQV
- DCNN
- XZG
- YZOO
- GIVV
- OLRQ
- GLBH
- PMUJ
- DRMW
- HFM
- MNNL
- WRBV
- WVHP
- WUHH
- ORLM
- KVM
- EHRG
- DCNN
- PMAL
- UBD
- EKAC
- IBOE
- CKNF
- DNIW
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