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 OKNM, how is RAIN written in the same code? (a) UDLQ (b) PYGL (c) SBJO (d) TCKP
- 2.If TREE is written as GGTV, how is FISH written in the same code? (a) FQGD (b) HKUJ (c) JUKH (d) HSIF
- 3.If FISH is written as HSIF, how is DESK written in the same code? (a) KSED (b) LTFE (c) EFTL (d) JRDC
- 4.If BALL is written as YZOO, how is SHIP written in the same code? (a) ITSL (b) HSRK (c) GRQJ (d) TIJQ
- 5.If PARK is written as KZIP, how is KITE written in the same code? (a) PRGV (b) LJUF (c) OQFU (d) QSHW
- 6.If JUMP is written as QFNK, how is SUN written in the same code? (a) TVO (b) HFM (c) GEL (d) IGN
- 7.If TREE is written as VTGG, how is MILK written in the same code? (a) PLON (b) KGJI (c) OKNM (d) NJML
- 8.If WIND is written as VHMC, how is FROG written in the same code? (a) GSPH (b) EQNF (c) DPME (d) FROG
- 9.If PARK is written as KRAP, how is TREE written in the same code? (a) USFF (b) EERT (c) DDQS (d) FFSU
- 10.If SUN is written as RTM, how is COLD written in the same code? (a) BNKC (b) DPME (c) COLD (d) AMJB
- 11.If MILK is written as KLIM, how is JUMP written in the same code? (a) QNVK (b) OLTI (c) KVNQ (d) PMUJ
- 12.If CAKE is written as FLBD, how is BOAT written in the same code? (a) CPBU (b) TAOB (c) UBPC (d) SZNA
- 13.If KITE is written as NLWH, how is BALL written in the same code? (a) YXII (b) EDOO (c) FEPP (d) DCNN
- 14.If PEN is written as QFO, how is DESK written in the same code? (a) CDRJ (b) LTFE (c) FGUM (d) EFTL
- 15.If MILK is written as NROP, how is CAKE written in the same code? (a) YAQW (b) DBLF (c) WYOU (d) XZPV
- 16.If GOLD is written as TLOW, how is DRUM written in the same code? (a) XJGO (b) VHEM (c) ESVN (d) WIFN
- 17.If LAMP is written as PMAL, how is TREE written in the same code? (a) USFF (b) FFSU (c) EERT (d) DDQS
- 18.If BOAT is written as SZNA, how is MILK written in the same code? (a) JKHL (b) KLIM (c) LHKJ (d) LMJN
- 19.If GOLD is written as DLOG, how is KITE written in the same code? (a) DSHJ (b) FUJL (c) ETIK (d) LJUF
- 20.If PEN is written as NEP, how is COLD written in the same code? (a) CKNB (b) EMPD (c) DLOC (d) DPME
- 21.If COLD is written as EMPD, how is NEST written in the same code? (a) TSEN (b) UTFO (c) SRDM (d) OFTU
- 22.If DESK is written as WVHP, how is TREE written in the same code? (a) USFF (b) GIVV (c) FHUU (d) HJWW
- 23.If MILK is written as JKHL, how is TREE written in the same code? (a) SQDD (b) EERT (c) DDQS (d) FFSU
- 24.If PEN is written as KVM, how is LAMP written in the same code? (a) NYMJ (b) OZNK (c) PAOL (d) MBNQ
- 25.If WIND is written as DRMW, how is BOOK written in the same code? (a) XKKO (b) YLLP (c) CPPL (d) ZMMQ
- 26.If LAMP is written as OZNK, how is HAND written in the same code? (a) RYLV (b) TANX (c) IBOE (d) SZMW
- 27.If STAR is written as HGZI, how is CAT written in the same code? (a) WYF (b) XZG (c) YAH (d) DBU
- 28.If STAR is written as RATS, how is DOG written in the same code? (a) EPH (b) FNC (c) HPE (d) GOD
- 29.If SHIP is written as TIJQ, how is SUN written in the same code? (a) TVO (b) RTM (c) OVT (d) UWP
- 30.If FISH is written as JUKH, how is RAIN written in the same code? (a) TCKP (b) PKCT (c) LGYP (d) NIAR
- 31.If SHIP is written as UJKR, how is SUN written in the same code? (a) VXQ (b) TVO (c) QSL (d) UWP
- 32.If FROG is written as GORF, how is FISH written in the same code? (a) GJTI (b) HSIF (c) GRHE (d) ITJG
- 33.If DESK is written as KSED, how is BOOK written in the same code? (a) CPPL (b) LPPC (c) KOOB (d) JNNA
- 34.If DRUM is written as LTQC, how is CAT written in the same code? (a) UBD (b) TAC (c) SZB (d) BZS
- 35.If FISH is written as ILVK, how is BELL written in the same code? (a) DGNN (b) FIPP (c) EHOO (d) YBII
- 36.If CAKE is written as GMCE, how is DESK written in the same code? (a) KSED (b) FGUM (c) IQCB (d) MUGF
- 37.If RAIN is written as IZRM, how is SUN written in the same code? (a) GEL (b) HFM (c) TVO (d) IGN
- 38.If BALL is written as YZOO, how is BOOK written in the same code? (a) YLLP (b) ZMMQ (c) CPPL (d) XKKO
- 39.If JUMP is written as LWOR, how is TREE written in the same code? (a) USFF (b) VTGG (c) RPCC (d) WUHH
- 40.If SUN is written as RTM, how is BALL written in the same code? (a) AZKK (b) ZYJJ (c) BALL (d) CBMM
Answer key
- TCKP
- JUKH
- KSED
- HSRK
- PRGV
- HFM
- OKNM
- EQNF
- EERT
- BNKC
- PMUJ
- UBPC
- EDOO
- EFTL
- XZPV
- WIFN
- EERT
- JKHL
- ETIK
- DLOC
- UTFO
- GIVV
- DDQS
- OZNK
- YLLP
- SZMW
- XZG
- GOD
- TVO
- PKCT
- UWP
- HSIF
- KOOB
- SZB
- EHOO
- MUGF
- HFM
- YLLP
- VTGG
- AZKK
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