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 STAR is written as TCVU, how is RAIN written in the same code? (a) PKCT (b) NIAR (c) LGYP (d) TCKP
- 2.If FISH is written as GJTI, how is MOON written in the same code? (a) OQQP (b) LNNM (c) OPPN (d) NPPO
- 3.If MOON is written as NLLM, how is PARK written in the same code? (a) QBSL (b) LAJQ (c) KZIP (d) JYHO
- 4.If WIND is written as XJOE, how is JUMP written in the same code? (a) QNVK (b) ITLO (c) LWOR (d) KVNQ
- 5.If SUN is written as OVT, how is TOYS written in the same code? (a) TZPU (b) UPZT (c) RXNS (d) SYOT
- 6.If CAT is written as UBD, how is MILK written in the same code? (a) KLIM (b) LMJN (c) JKHL (d) NJML
- 7.If PEN is written as NEP, how is MILK written in the same code? (a) KLIM (b) NJML (c) JKHL (d) LMJN
- 8.If KITE is written as GVKM, how is COLD written in the same code? (a) DLOC (b) EQNF (c) BJMA (d) FNQE
- 9.If CAT is written as XZG, how is PEN written in the same code? (a) KVM (b) LWN (c) JUL (d) QFO
- 10.If DRUM is written as WIFN, how is PEN written in the same code? (a) KVM (b) JUL (c) QFO (d) LWN
- 11.If MILK is written as NROP, how is GOLD written in the same code? (a) SKNV (b) UMPX (c) HPME (d) TLOW
- 12.If CAT is written as TAC, how is JUMP written in the same code? (a) KVNQ (b) PMUJ (c) QNVK (d) OLTI
- 13.If MILK is written as NJML, how is BELL written in the same code? (a) MMFC (b) ADKK (c) CFMM (d) DGNN
- 14.If BOOK is written as LPPC, how is RAIN written in the same code? (a) SBJO (b) OJBS (c) NIAR (d) MHZQ
- 15.If TOYS is written as RMWQ, how is SUN written in the same code? (a) UWP (b) PRK (c) QSL (d) RTM
- 16.If BOOK is written as KOOB, how is STAR written in the same code? (a) TUBS (b) SBUT (c) QZSR (d) RATS
- 17.If COLD is written as FNQE, how is GOLD written in the same code? (a) FNQI (b) IQNF (c) DLOG (d) BJME
- 18.If HAND is written as DNAH, how is FROG written in the same code? (a) FNQE (b) HPSG (c) GSPH (d) GORF
- 19.If FISH is written as URHS, how is LAMP written in the same code? (a) PAOL (b) NYMJ (c) OZNK (d) MBNQ
- 20.If SHIP is written as PIHS, how is DESK written in the same code? (a) KSED (b) JRDC (c) LTFE (d) EFTL
- 21.If SHIP is written as HSRK, how is PARK written in the same code? (a) KZIP (b) LAJQ (c) JYHO (d) QBSL
- 22.If COLD is written as DLOC, how is BOAT written in the same code? (a) UBPC (b) SZNA (c) CPBU (d) TAOB
- 23.If FROG is written as DPME, how is BALL written in the same code? (a) AZKK (b) ZYJJ (c) DCNN (d) YXII
- 24.If BELL is written as ZCJJ, how is NEST written in the same code? (a) KBPQ (b) LCQR (c) MDRS (d) PGUV
- 25.If GOLD is written as TLOW, how is TREE written in the same code? (a) FHUU (b) USFF (c) GIVV (d) HJWW
- 26.If GOLD is written as DLOG, how is BALL written in the same code? (a) MMBC (b) LLAB (c) CBMM (d) KKZA
- 27.If MILK is written as NROP, how is STAR written in the same code? (a) GFYH (b) TUBS (c) IHAJ (d) HGZI
- 28.If CAT is written as XZG, how is RAIN written in the same code? (a) JASN (b) HYQL (c) SBJO (d) IZRM
- 29.If MILK is written as PLON, how is TREE written in the same code? (a) XVII (b) WUHH (c) VTGG (d) QOBB
- 30.If WIND is written as FPKY, how is DESK written in the same code? (a) IQCB (b) KSED (c) FGUM (d) MUGF
- 31.If RAIN is written as SBJO, how is CAKE written in the same code? (a) DBLF (b) FLBD (c) ECMG (d) BZJD
- 32.If MOON is written as NLLM, how is MILK written in the same code? (a) NROP (b) MQNO (c) NJML (d) OSPQ
- 33.If RAIN is written as NIAR, how is STAR written in the same code? (a) TUBS (b) SBUT (c) RATS (d) QZSR
- 34.If WIND is written as YKPF, how is FROG written in the same code? (a) DPME (b) IURJ (c) HTQI (d) GSPH
- 35.If SHIP is written as UJKR, how is TOYS written in the same code? (a) VQAU (b) WRBV (c) UPZT (d) RMWQ
- 36.If PARK is written as LSBQ, how is SUN written in the same code? (a) TVO (b) MTR (c) NUS (d) OVT
- 37.If CAT is written as XZG, how is LAMP written in the same code? (a) MBNQ (b) OZNK (c) NYMJ (d) PAOL
- 38.If SHIP is written as UJKR, how is NEST written in the same code? (a) LCQR (b) PGUV (c) OFTU (d) QHVW
- 39.If WIND is written as XJOE, how is CAKE written in the same code? (a) BZJD (b) DBLF (c) ECMG (d) FLBD
- 40.If FISH is written as DGQF, how is MOON written in the same code? (a) LNNM (b) OQQP (c) JLLK (d) KMML
Answer key
- PKCT
- NPPO
- KZIP
- KVNQ
- TZPU
- LMJN
- KLIM
- FNQE
- KVM
- KVM
- TLOW
- PMUJ
- CFMM
- OJBS
- QSL
- RATS
- FNQI
- GORF
- OZNK
- KSED
- KZIP
- TAOB
- ZYJJ
- LCQR
- GIVV
- LLAB
- HGZI
- IZRM
- WUHH
- MUGF
- DBLF
- NROP
- RATS
- HTQI
- VQAU
- OVT
- OZNK
- PGUV
- DBLF
- KMML
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