Stations 7 and 8
A mathematical investigation using the work of Lewis Howard Latimer.
by Eldred Marshall, Sharon Straughter and Selina Vinson
Table of Contents
CA Mathematics Standards Alignment
 6th grade
Algebra and Functions 1.2, 1.3, 1.4
Mathematical Reasoning 1.0
 7th grade
Algebra and Functions 1.2, 4.2
Mathematical Reasoning 1.0
 8th grade
Algebra I 1.0, 2.0, 3.0. 4.0, 5.0, 25.0
Students read and respond to questions about the life and mathematical work of Lewis Howard Latimer. A mathematical formula is used to calculate the intensity of light given the distance from a given light source. Students are asked to describe the pattern they see and also graph the values.
DUTIES:
 Reader will read biography to the group
 Scribe will complete the worksheet and history connection questions.
 Listener will compute the figures for worksheet
 Materials Manager will distribute materials to the group and collect them at the end of the activity.
MATERIALS:
 Latimer Biography
 Latimer Worksheet
 Calculator
 Graph Paper
 Ruler
 Paper
 Pencil
DIRECTIONS:
 Complete the reading on the Biography of Lewis Latimer.
 Complete questions on History Connection.
 Complete Latimer Worksheet.
Complete graph using the graph paper labeling distance on the xaxis and intensity on the yaxis.
HINT: The xaxis should be labeled in increments of 1 and the yaxis should be labeled in increments of 500.
PRODUCT:
 Worksheet
 Graph
CLEANUP:
All materials listed should be neatly placed in the basket
