70 likes | 86 Views
Measurement Review. Math Alliance October 5, 2010. Kevin McLeod Chris Guthrie. Session Goals. Review ideas of measurement Discuss homework. Measurement Review. Maria says her crayon is 5 inches long, to the nearest inch. What can you say about the true length of Maria’s crayon?
E N D
Measurement Review Math Alliance October 5, 2010 Kevin McLeod Chris Guthrie
Session Goals • Review ideas of measurement • Discuss homework
Measurement Review • Maria says her crayon is 5 inches long, to the nearest inch. What can you say about the true length of Maria’s crayon? • Maria measures her crayon again. Now she says it is 5 inches long, to the nearest ½ inch. What can you say about the true length?
Measurement Review (Contd.) • Now Maria says her crayon is 5 ½ inches long, to the nearest quarter inch. Should you believe her?
Process of Measurement • Decide on the attribute to be measured • Select a unit that has that attribute • Fill, cover or match the unit to the attribute of the object
Measuring Angles • What is an angle? • What units do we use when we measure angles?