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Organization: Virginia Standards of Learning Grade Band: 8th Grade Standard Goal: Computation and Estimation
| Fraction Conversion |
Lesson: Motivate converting fractions to decimals with the use of money.
| | Fraction Facts |
Lesson: Introduces students to fractions and explores basic mathematical operations with fractions, comparing fractions, and converting fractions into decimals or percents.
| | Histograms and Bar Graphs |
Lesson: Introduction and fine points of using bar graphs and histograms.
| | Length, Perimeter, and Area |
Lesson: Introduces students to length, perimeter and area.
| | Introduction to the Concept of Probability |
Lesson: Introduces students to simple probability concepts.
|  A Better Fire!! |
Activity: Students run a simulation of how a fire will spread through a stand of trees, learning about probability and chaos. Parameters: Forest density, wind direction, size of forest.
|  Adjustable Spinner |
Activity: Create a game spinner with variable sized sectors to look at experimental and theoretical probabilities. Parameters: Sizes of sectors, number of sectors, number of trials.
|  Dice Table |
Activity: Experiment with the outcome distribution for a roll of two dice by simulating a dice throwing game. Parameters: Which player wins with which total rolled.
|  Fraction Sorter |
Activity: Visualize fractions by coloring in the appropriate portions of either a circle or a square, then order those fractions from least to greatest. Fraction Sorter is one of the Interactivate assessment explorers.
|  Histogram |
Activity: View histograms for built-in or user-specified data. Experiment with how the size of the class intervals influences the appearance of the histogram. Parameters: Data sets, class sizes.
|  Image Tool |
Activity: Measure angles, distances, and areas in several different images (choices include maps, aerial photos, and others). A scale feature allows the user to set the scale used for measuring distances and areas.
|  Mixtures |
Activity: Mixtures allows exploration of percents through two piles of colored and uncolored chips. The user must decide how many chips to color to create the desired percentage of colored chips compared to the total pile. Mixtures is one of the Interactivate assessment explorers.
|  Tortoise and Hare Race |
Activity: Step through the tortoise and hare race, based on Zeno's paradox, to learn about the multiplication of fractions and about convergence and limits to an infinite sequence.
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