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 OFTU, how is LION written in the same code? (a) KHNM (b) OPJM (c) MJPO (d) NKQP
- 2.If NEST is written as TSEN, how is PEN written in the same code? (a) MDO (b) NEP (c) OFQ (d) QFO
- 3.If MOON is written as NLLM, how is PARK written in the same code? (a) LAJQ (b) KZIP (c) QBSL (d) JYHO
- 4.If FISH is written as URHS, how is CAT written in the same code? (a) YAH (b) DBU (c) XZG (d) WYF
- 5.If BOAT is written as ZMYR, how is BALL written in the same code? (a) DCNN (b) AZKK (c) ZYJJ (d) YXII
- 6.If NEST is written as LCQR, how is LAMP written in the same code? (a) JYKN (b) NCOR (c) IXJM (d) KZLO
- 7.If JUMP is written as QFNK, how is TREE written in the same code? (a) USFF (b) GIVV (c) HJWW (d) FHUU
- 8.If BOOK is written as ZMMI, how is COLD written in the same code? (a) BNKC (b) EQNF (c) ZLIA (d) AMJB
- 9.If TREE is written as GGTV, how is SUN written in the same code? (a) UWP (b) LSQ (c) PWU (d) NUS
- 10.If TREE is written as EERT, how is FISH written in the same code? (a) GJTI (b) GRHE (c) ITJG (d) HSIF
- 11.If STAR is written as TUBS, how is BOAT written in the same code? (a) DQCV (b) UBPC (c) CPBU (d) ANZS
- 12.If PEN is written as NCL, how is MOON written in the same code? (a) KMML (b) JLLK (c) OQQP (d) LNNM
- 13.If JUMP is written as MXPS, how is COLD written in the same code? (a) EQNF (b) FROG (c) GSPH (d) ZLIA
- 14.If CAT is written as VCE, how is FISH written in the same code? (a) HSIF (b) JUKH (c) HKUJ (d) FQGD
- 15.If DRUM is written as ESVN, how is STAR written in the same code? (a) UVCT (b) RSZQ (c) SBUT (d) TUBS
- 16.If BOAT is written as TAOB, how is JUMP written in the same code? (a) PMUJ (b) OLTI (c) KVNQ (d) QNVK
- 17.If DRUM is written as OWTF, how is SUN written in the same code? (a) LSQ (b) NUS (c) PWU (d) UWP
- 18.If BOAT is written as UBPC, how is TOYS written in the same code? (a) RXNS (b) TZPU (c) UPZT (d) SYOT
- 19.If LION is written as MJPO, how is PEN written in the same code? (a) QFO (b) ODM (c) RGP (d) OFQ
- 20.If FROG is written as IURJ, how is MILK written in the same code? (a) JFIH (b) QMPO (c) OKNM (d) PLON
- 21.If NEST is written as SRDM, how is SUN written in the same code? (a) RTM (b) NUS (c) MTR (d) OVT
- 22.If PEN is written as KVM, how is FROG written in the same code? (a) GSPH (b) UILT (c) VJMU (d) THKS
- 23.If HAND is written as DNAH, how is LAMP written in the same code? (a) MBNQ (b) QNBM (c) PMAL (d) OLZK
- 24.If DESK is written as KSED, how is SUN written in the same code? (a) TVO (b) OVT (c) NUS (d) MTR
- 25.If KITE is written as DSHJ, how is LION written in the same code? (a) OPJM (b) NOIL (c) KHNM (d) MNHK
- 26.If CAT is written as AYR, how is LAMP written in the same code? (a) IXJM (b) NCOR (c) KZLO (d) JYKN
- 27.If BELL is written as MMFC, how is JUMP written in the same code? (a) OLTI (b) KVNQ (c) QNVK (d) PMUJ
- 28.If DOG is written as GOD, how is SUN written in the same code? (a) TVO (b) NUS (c) OVT (d) MTR
- 29.If TOYS is written as GLBH, how is MILK written in the same code? (a) NJML (b) MQNO (c) OSPQ (d) NROP
- 30.If GOLD is written as FNKC, how is STAR written in the same code? (a) STAR (b) RSZQ (c) TUBS (d) QRYP
- 31.If FISH is written as ITJG, how is LION written in the same code? (a) MNHK (b) NOIL (c) MJPO (d) OPJM
- 32.If STAR is written as HGZI, how is FISH written in the same code? (a) URHS (b) TQGR (c) GJTI (d) VSIT
- 33.If WIND is written as DNIW, how is BALL written in the same code? (a) MMBC (b) LLAB (c) KKZA (d) CBMM
- 34.If JUMP is written as QFNK, how is LION written in the same code? (a) NQKL (b) MJPO (c) PSMN (d) ORLM
- 35.If MILK is written as OKNM, how is KITE written in the same code? (a) MKVG (b) NLWH (c) LJUF (d) IGRC
- 36.If BOAT is written as ERDW, how is SHIP written in the same code? (a) UJKR (b) WLMT (c) PEFM (d) VKLS
- 37.If PARK is written as SDUN, how is BOAT written in the same code? (a) FSEX (b) DQCV (c) YLXQ (d) ERDW
- 38.If CAT is written as SZB, how is MILK written in the same code? (a) JKHL (b) LHKJ (c) KLIM (d) LMJN
- 39.If LAMP is written as PMAL, how is PEN written in the same code? (a) MDO (b) QFO (c) NEP (d) OFQ
- 40.If BALL is written as LLAB, how is TREE written in the same code? (a) USFF (b) FFSU (c) DDQS (d) EERT
Answer key
- MJPO
- NEP
- KZIP
- XZG
- ZYJJ
- JYKN
- GIVV
- AMJB
- PWU
- HSIF
- CPBU
- KMML
- FROG
- JUKH
- TUBS
- PMUJ
- PWU
- TZPU
- QFO
- PLON
- MTR
- UILT
- PMAL
- NUS
- MNHK
- JYKN
- QNVK
- NUS
- NROP
- RSZQ
- OPJM
- URHS
- LLAB
- ORLM
- MKVG
- VKLS
- ERDW
- JKHL
- NEP
- EERT
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