Decagon
A decagon is a polygon with 10 sides and 10 angles. The sum of the interior angles in a decagon is 1440 degrees. Each interior angle in a regular decagon measures 144 degrees.
.◂Math Worksheets and Study Guides Third Grade. Graphs and Charts
Study Guide
Graphs and Charts 
Activity Lesson
Wheel Problems Activity Lesson
Snail's Pace Activity Lesson
Weight Watchers Worksheet/Answer key
Graphs and Charts Worksheet/Answer key
Graphs and Charts Worksheet/Answer key
Graphs and Charts Worksheet/Answer key
Graphs and Charts Worksheet/Answer key
Graphs and Charts Worksheet/Answer key
Graphs and Charts Worksheet/Answer key
Snowfall Pictograph Worksheet/Answer key
Flower Power Worksheet/Answer key
Tall Towers Worksheet/Answer key
Sensational Scores Vocabulary/Answer key
Graphs and Charts
Activity LessonActivity LessonActivity LessonWorksheet/Answer keyWorksheet/Answer keyWorksheet/Answer keyWorksheet/Answer keyWorksheet/Answer keyWorksheet/Answer keyWorksheet/Answer keyWorksheet/Answer keyWorksheet/Answer keyWorksheet/Answer keyVocabulary/Answer keyThe resources above cover the following skills:
Connections to the Grade 3 Focal Points (NCTM)
Data Analysis: Addition, subtraction, multiplication, and division of whole numbers come into play as students construct and analyze frequency tables, bar graphs, picture graphs, and line plots and use them to solve problems.