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Metric Prefix Flashcards: All 24 SI Names, Symbols & Powers of Ten

Learn all 24 current SI prefixes with 72 flashcards for name, case-sensitive symbol, and power-of-ten recall.

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このデッキについて

These metric prefix flashcards cover all 24 SI prefixes currently recognized by NIST, from quetta at 10^30 to quecto at 10^-30. The 72 cards practice exactly three mappings for every prefix: name to case-sensitive symbol and power of ten; symbol to name and power of ten; and power of ten to name and case-sensitive symbol.

Case matters. M is mega while m is milli, and P/p, Z/z, Y/y, R/r, and Q/q also represent different prefixes. Each front labels the cue and requested mapping, so a bare symbol or exponent stays unambiguous on mixed-review and standalone surfaces. Each back starts with the answer.

The deterministic sequence begins with familiar metric prefixes, expands toward the extremes, and interleaves all three recall directions. Variants of the same prefix stay far apart, with at least three unrelated cards between them. Confusing uppercase and lowercase symbols are separated too.

This is a focused metric prefix quiz, not a full SI course. It excludes conversions, full decimal expansions, SI base and derived units, unit examples, pronunciation and spelling drills, IEC or binary prefixes, historical prefixes, and 10^0, which has no prefix. There are no card images.

The NIST Metric (SI) Prefixes page supplies the factual ledger. The prompts, answers, selection structure, metadata, sequence, and generated cover were independently authored; no NIST prose, examples, layout, or media were copied. Facts aren't claimed as proprietary. The original wording, organization, metadata, and cover are dedicated under CC0 1.0 to the extent applicable rights exist.

Independent study deck. Not affiliated with or endorsed by NIST.

このデッキのカード

  1. カード 1

    質問

    SI prefix name: kilo → case-sensitive symbol + power of ten

    回答

    k

    10310^{3}

  2. カード 2

    質問

    SI prefix symbol (case-sensitive): M → name + power of ten

    回答

    mega

    10610^{6}

  3. カード 3

    質問

    SI prefix power:

    10−210^{-2}

    → name + case-sensitive symbol

    回答

    centi

    c

  4. カード 4

    質問

    SI prefix name: nano → case-sensitive symbol + power of ten

    回答

    n

    10−910^{-9}

  5. カード 5

    質問

    SI prefix symbol (case-sensitive): h → name + power of ten

    回答

    hecto

    10210^{2}

  6. カード 6

    質問

    SI prefix power:

    10−610^{-6}

    → name + case-sensitive symbol

    回答

    micro

    μ

  7. カード 7

    質問

    SI prefix name: peta → case-sensitive symbol + power of ten

    回答

    P

    101510^{15}

  8. カード 8

    質問

    SI prefix symbol (case-sensitive): d → name + power of ten

    回答

    deci

    10−110^{-1}

  9. カード 9

    質問

    SI prefix power:

    10−310^{-3}

    → name + case-sensitive symbol

    回答

    milli

    m

  10. カード 10

    質問

    SI prefix name: tera → case-sensitive symbol + power of ten

    回答

    T

    101210^{12}

  11. カード 11

    質問

    SI prefix symbol (case-sensitive): p → name + power of ten

    回答

    pico

    10−1210^{-12}

  12. カード 12

    質問

    SI prefix power:

    10110^{1}

    → name + case-sensitive symbol

    回答

    deka

    da

  13. カード 13

    質問

    SI prefix name: giga → case-sensitive symbol + power of ten

    回答

    G

    10910^{9}

  14. カード 14

    質問

    SI prefix symbol (case-sensitive): f → name + power of ten

    回答

    femto

    10−1510^{-15}

  15. カード 15

    質問

    SI prefix power:

    101810^{18}

    → name + case-sensitive symbol

    回答

    exa

    E

  16. カード 16

    質問

    SI prefix name: atto → case-sensitive symbol + power of ten

    回答

    a

    10−1810^{-18}

  17. カード 17

    質問

    SI prefix symbol (case-sensitive): Z → name + power of ten

    回答

    zetta

    102110^{21}

  18. カード 18

    質問

    SI prefix power:

    10−2410^{-24}

    → name + case-sensitive symbol

    回答

    yocto

    y

  19. カード 19

    質問

    SI prefix name: ronna → case-sensitive symbol + power of ten

    回答

    R

    102710^{27}

  20. カード 20

    質問

    SI prefix symbol (case-sensitive): q → name + power of ten

    回答

    quecto

    10−3010^{-30}

  21. カード 21

    質問

    SI prefix power:

    10−2110^{-21}

    → name + case-sensitive symbol

    回答

    zepto

    z

  22. カード 22

    質問

    SI prefix name: yotta → case-sensitive symbol + power of ten

    回答

    Y

    102410^{24}

  23. カード 23

    質問

    SI prefix symbol (case-sensitive): r → name + power of ten

    回答

    ronto

    10−2710^{-27}

  24. カード 24

    質問

    SI prefix power:

    103010^{30}

    → name + case-sensitive symbol

    回答

    quetta

    Q

  25. カード 25

    質問

    SI prefix name: milli → case-sensitive symbol + power of ten

    回答

    m

    10−310^{-3}

  26. カード 26

    質問

    SI prefix symbol (case-sensitive): k → name + power of ten

    回答

    kilo

    10310^{3}

  27. カード 27

    質問

    SI prefix power:

    10210^{2}

    → name + case-sensitive symbol

    回答

    hecto

    h

  28. カード 28

    質問

    SI prefix name: micro → case-sensitive symbol + power of ten

    回答

    μ

    10−610^{-6}

  29. カード 29

    質問

    SI prefix symbol (case-sensitive): G → name + power of ten

    回答

    giga

    10910^{9}

  30. カード 30

    質問

    SI prefix power:

    10−110^{-1}

    → name + case-sensitive symbol

    回答

    deci

    d

  31. カード 31

    質問

    SI prefix name: centi → case-sensitive symbol + power of ten

    回答

    c

    10−210^{-2}

  32. カード 32

    質問

    SI prefix symbol (case-sensitive): T → name + power of ten

    回答

    tera

    101210^{12}

  33. カード 33

    質問

    SI prefix power:

    10610^{6}

    → name + case-sensitive symbol

    回答

    mega

    M

  34. カード 34

    質問

    SI prefix name: deka → case-sensitive symbol + power of ten

    回答

    da

    10110^{1}

  35. カード 35

    質問

    SI prefix symbol (case-sensitive): n → name + power of ten

    回答

    nano

    10−910^{-9}

  36. カード 36

    質問

    SI prefix power:

    10−1210^{-12}

    → name + case-sensitive symbol

    回答

    pico

    p

  37. カード 37

    質問

    SI prefix name: exa → case-sensitive symbol + power of ten

    回答

    E

    101810^{18}

  38. カード 38

    質問

    SI prefix symbol (case-sensitive): a → name + power of ten

    回答

    atto

    10−1810^{-18}

  39. カード 39

    質問

    SI prefix power:

    10−2710^{-27}

    → name + case-sensitive symbol

    回答

    ronto

    r

  40. カード 40

    質問

    SI prefix name: yocto → case-sensitive symbol + power of ten

    回答

    y

    10−2410^{-24}

  41. カード 41

    質問

    SI prefix symbol (case-sensitive): P → name + power of ten

    回答

    peta

    101510^{15}

  42. カード 42

    質問

    SI prefix power:

    102110^{21}

    → name + case-sensitive symbol

    回答

    zetta

    Z

  43. カード 43

    質問

    SI prefix name: quetta → case-sensitive symbol + power of ten

    回答

    Q

    103010^{30}

  44. カード 44

    質問

    SI prefix symbol (case-sensitive): R → name + power of ten

    回答

    ronna

    102710^{27}

  45. カード 45

    質問

    SI prefix power:

    10−1510^{-15}

    → name + case-sensitive symbol

    回答

    femto

    f

  46. カード 46

    質問

    SI prefix name: zepto → case-sensitive symbol + power of ten

    回答

    z

    10−2110^{-21}

  47. カード 47

    質問

    SI prefix symbol (case-sensitive): Y → name + power of ten

    回答

    yotta

    102410^{24}

  48. カード 48

    質問

    SI prefix power:

    10−3010^{-30}

    → name + case-sensitive symbol

    回答

    quecto

    q

  49. カード 49

    質問

    SI prefix name: mega → case-sensitive symbol + power of ten

    回答

    M

    10610^{6}

  50. カード 50

    質問

    SI prefix symbol (case-sensitive): c → name + power of ten

    回答

    centi

    10−210^{-2}

  51. カード 51

    質問

    SI prefix power:

    10310^{3}

    → name + case-sensitive symbol

    回答

    kilo

    k

  52. カード 52

    質問

    SI prefix name: hecto → case-sensitive symbol + power of ten

    回答

    h

    10210^{2}

  53. カード 53

    質問

    SI prefix symbol (case-sensitive): μ → name + power of ten

    回答

    micro

    10−610^{-6}

  54. カード 54

    質問

    SI prefix power:

    10−910^{-9}

    → name + case-sensitive symbol

    回答

    nano

    n

  55. カード 55

    質問

    SI prefix name: deci → case-sensitive symbol + power of ten

    回答

    d

    10−110^{-1}

  56. カード 56

    質問

    SI prefix symbol (case-sensitive): m → name + power of ten

    回答

    milli

    10−310^{-3}

  57. カード 57

    質問

    SI prefix power:

    10910^{9}

    → name + case-sensitive symbol

    回答

    giga

    G

  58. カード 58

    質問

    SI prefix name: pico → case-sensitive symbol + power of ten

    回答

    p

    10−1210^{-12}

  59. カード 59

    質問

    SI prefix symbol (case-sensitive): da → name + power of ten

    回答

    deka

    10110^{1}

  60. カード 60

    質問

    SI prefix power:

    101210^{12}

    → name + case-sensitive symbol

    回答

    tera

    T

  61. カード 61

    質問

    SI prefix name: quecto → case-sensitive symbol + power of ten

    回答

    q

    10−3010^{-30}

  62. カード 62

    質問

    SI prefix symbol (case-sensitive): E → name + power of ten

    回答

    exa

    101810^{18}

  63. カード 63

    質問

    SI prefix power:

    10−1810^{-18}

    → name + case-sensitive symbol

    回答

    atto

    a

  64. カード 64

    質問

    SI prefix name: zetta → case-sensitive symbol + power of ten

    回答

    Z

    102110^{21}

  65. カード 65

    質問

    SI prefix symbol (case-sensitive): y → name + power of ten

    回答

    yocto

    10−2410^{-24}

  66. カード 66

    質問

    SI prefix power:

    101510^{15}

    → name + case-sensitive symbol

    回答

    peta

    P

  67. カード 67

    質問

    SI prefix name: ronto → case-sensitive symbol + power of ten

    回答

    r

    10−2710^{-27}

  68. カード 68

    質問

    SI prefix symbol (case-sensitive): Q → name + power of ten

    回答

    quetta

    103010^{30}

  69. カード 69

    質問

    SI prefix power:

    102410^{24}

    → name + case-sensitive symbol

    回答

    yotta

    Y

  70. カード 70

    質問

    SI prefix name: femto → case-sensitive symbol + power of ten

    回答

    f

    10−1510^{-15}

  71. カード 71

    質問

    SI prefix symbol (case-sensitive): z → name + power of ten

    回答

    zepto

    10−2110^{-21}

  72. カード 72

    質問

    SI prefix power:

    102710^{27}

    → name + case-sensitive symbol

    回答

    ronna

    R

Concentric luminous rings and nested translucent forms expanding from a warm center on a deep blue background.

72枚のカード

Metric Prefix Flashcards: All 24 SI Names, Symbols & Powers of Ten

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