Khan Academy
Khan Academy: Solve Problems With Bar Graphs 2
Use bar graphs to solve addition and subtraction word problems. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a tutorial video, or receive hints.
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Exponential Functions
This tutorial explains exponential functions and provides links pertaining to topics on them. You will learn to use the exponent keys on your calculator, to graph exponential functions, and to solve compound interest problems.
Books in the Classroom
Carol Hurst's Children's Literature Site: Data Gathering and Analyzing
Carol Hurst provides this sample chapter from "Picturing Math." Gathering data is a frequent part of solving problems and satisfying curiosity, which includes working with graphs and using mathematical tools such as averaging and other...