1. The Decimal/SI System La Sistema Decimal/SI

5. SI
The International System of Units, related by multiples of ten, that allows quantities to be measured in the exact same way throughout the world.
La sistema internacional de unidades, relacionado por múltiplos de diez, que permite que las cantidades se midan de la misma manera exacta en todo el mundo

6. A SI unit for measuring mass One kilogram is equal to 1000 grams.
La SI unidad de masa
Un kilogramo es igual que 1000 gramos.

9. What happens to the unit (ones place) as it moves to the right side?

10. The unit (ones place) divides into ten equal parts.

13. equals
10¢

14. equals
10¢

15. What happens to the tenths place as it moves to the right side?

16. The tenths place divides into ten equal parts.

18. equals 1¢

19. equals 1¢

20. What happens to the hundredths place as it moves to the right side?

21. The hundredths place divides into ten equal parts.

22. equals
0.1¢

23. equals
0.1¢

36. decimeter (dm) decimetro (dm)
A unit for measuring length
1/10 or 0.1 of a meter
A hand is about
1 decimeter wide

37. How many centimeters are in a decimeter?
one decimeter
How many centimeters are in a decimeter?

38. The meter (unit) divides into ten equal parts.

39. 1 m = 10 dm

40. 1 dm = 0.1 m

41. 1 decimenter equals ___ cm

42. 1 decimeter is equal to ____ centimeters
1 dm
1 cm
1 decimeter is equal to ____ centimeters

43. 1 decimenter equals 10 cm

44. centimeter (cm) centimetro (cm)
1 centimeter is 1/100 or 0.01 of a meter
A fingernail is about 1 centimeter wide

46. The meter (unit) divides into hundreds equal parts.

47. 1 m = 100 cm

48. 1 cm = 0.01 m

50. millimeter (mm) millimetro (mm)
A millimeter is 1/1000 or of a meter
A dime is 1 millimeter thick

51. The meter (unit) divides into thousands equal parts.

52. 1 m = 1000 mm

53. 1 mm = m

54. 1 cm = ___ mm

55. millimeter (mm) millimetro (mm)
1 dm
1 mm
1 cm
1 centimeter is equal to 10 millimeters.
How many millimeters equal 1 decimeter?

56. 1 dm = 100 mm

57. milliliter (mL) millilitro (mL)
A fraction of a liter (1/1000 L)
1 cubic centimeter is equal 1 milliliter
Una fracción de un litro (1/1000 L)
Un centimetro cubico es igual que 1 millilitro
1 cm3 = 1 mL
(cc)

59. Fractional Units (Decimal Places)

60. deci- (d) tenth
Examples: decimeter, decigram

61. centi- (c) hundredth
Examples: centimeter, centigram

62. milli- (m) thousandth 0.001 10-3
Examples: millimeter, milligram

63. micro- (µ) millionth 0.000001 10-6
Examples: micrometer, microorganisms

64. nano- (n) billionth
Examples: nanometer, nanoorganisms

65. pico- (p) trillionth 0.000000000001 10-12
Example: picometer

66. femto- (f) quadrillionths 0.000000000000001 10-15
Example: femtometer

67. atto- (a) quintillionths 0.000000000000001 10-18
Example: attometer

68. zepto (z) sextillionths 0.000000000000000001 10-21
Example: zeptometer

69. yocto (y) sepillionths 0.000000000000000000001 10-24
Example: yoctometer