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Measurement What do we measure?.

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Presentation on theme: "Measurement What do we measure?."— Presentation transcript:

1 Measurement What do we measure?

2 Distance How many units to travel a path?
Length Width Depth Perimeter Circumference Height Standard units: foot and meter

3 Distance Some Tools Inches Ruler Miles Yard stick Centimeters
Some Derived Units Inches Miles Centimeters Kilometers Yards Some Tools Ruler Yard stick Meter stick Measuring tape

4 Area How many units to cover a region?
Standard units: square feet and square meters

5 Area Some Derived Units Square inches Square miles Square centimeters
Square yards Acre Tools Grids Find area indirectly with linear tools

6 Volume/Capacity How many units to fill a space? Standard units: cubic feet, cubic meters, cup and liter

7 Volume/Capacity Some Derived Units Some tools Measuring cups
Gallons Teaspoons Cubic centimeters Quarts Pints Bushels Pecks Milliliters Kiloliters Some tools Measuring cups Measuring spoons Gallon containers Graduated cylinders Beakers

8 Mass How many units to balance an object? Standard unit: gram

9 Mass Some Derived Units Kilogram Milligrams Tools Balance

10 Weight How many units is gravity pulling down on an object?
Standard unit: pound

11 Weight Some Derived Units Ounces Tons Tools Scales

12 Angles How many units did you turn? Standard units: degree and radian

13 Angles Units Degrees Radians Tools Protractor Compass

14 Estimate Angle Measure
900 600 1200 600

15 Time How many units has the earth turned? Standard unit: day

16 Time Some Derived Units Hours Years Minutes Century Decade Seconds
Weeks Months Some Tools Clocks Calendar Sun dial

17 Money How many units of buying power do you have?
Standard units: dollar, peso, euro, etc.

18 Money Some Derived Units Penny Dime Nickel Quarter Tools ?

19 Temperature How many units are the molecules moving?
Standard units: degrees Fahrenheit, Celsius, and Kelvin

20 Temperature No Derived Units Tools Thermometer

21 Sequence of Learning for Measurement
First: Understand what is being measured (or counted) and measure with nonstandard units. Grade K and 1 (except time and money)

22 Sequence of Learning for Measurement
Second: Recognize the relationship between the size of the unit and the count and the need for the standard unit. Grade 2

23 Sequence of learning for measurement
Third: Develop intuition about standard units and use standard units to make measurements Grade 2

24 Sequence of learning for measurement
Fourth: Realize the need for derived units, select an appropriate unit and measure with derived units Grade 3 and 4

25 Sequence of learning for measurement
Fifth: Make conversions between units. Grades 3 and 4

26 Sequence of learning for measurement
Sixth: Understand the continuous nature of measurements and use fractional units. Grades 4, 5 and 6

27 Sequence of learning for measurement
Seventh: Find measures indirectly. Grade 4-8

28 Sequence of learning for measurement
Eighth: Use related rates

29 Examples of Related Rate
Miles per hour (velocity) Miles per gallon Pounds per square inch Dollars per gallon Dollars per linear foot Dollars per square foot


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