Presentation on theme: "Measurement, Perimeter, Area In your groups, make a list of: –All the measurement conversions you know; –All the perimeter and area formulas you know."— Presentation transcript:
Measurement, Perimeter, Area In your groups, make a list of: –All the measurement conversions you know; –All the perimeter and area formulas you know.
What is measurement? A measurement is determined by the number of repeated units needed to fill a specific length, time, area, volume, weight, capacity, temperature, etc. The units we are accustomed to using are inches, seconds, square feet, cubic centimeters, pounds, tablespoons or Liters, degrees Fahrenheit, etc.
Systems of Measurement Time: Length: Liquid Capacity: Dry Capacity: Weight: Temperature:
Metric vs. Customary Kilo Hecto Deka Unit Deci Centi Milli meter Liter gram As you move to smaller units, there are more per unit, so multiply by 10. As you move to larger units, there are fewer per unit, so divide by 10. Ex: 56 mm = _____ m; 95 kg = _____ g; 39 L = _____ mL
Common Conversions 1 inch is exactly 2.54 cm 1 meter is about 39 in. 1 mile is about 1.6 km 1 kilometer is about 0.6 miles 1 mL is about 1/4 teaspoon of water 1 Liter is about a quart. 1 mg is about the weight of a strand of hair. 1 gram is about the weight of a raisin or small paperclip. 1 kilogram is about 2.2 pounds.