Number+Lines

__ Common Core-Number Line Overview __
 * [[file:commoncore#lineapplications.ppt]]
 * This powerpoint gives an overview of applications of the number line throughout the grade levels.

__ Number Lines and Rounding __
 * [|LearnZillion- Rounding With The Number Line]
 * This link consists of a series of lessons that show students how to round using a number line.

__ Open Number lines- Addition and Subtraction __
 * [|Empty Number Lines]
 * Explanation and examples of how to use an open number line
 * [|Harcourt Sample Unit]
 * This link gives great background on the math content involved in using number lines
 * [|Addition and Subtraction on The Number Line]
 * [|Adding and Subtracting on the Numberline]
 * [|Sheppard Software- Number Line Addition and Subtraction]
 * [|Empty Number Lines]
 * Explanation and examples of how to use an open number line
 * [|Harcourt Sample Unit]
 * This link gives great background on the math content involved in using number lines
 * This link gives great background on the math content involved in using number lines

__ Open Number Lines and Elapsed Time __
 * [|Mr. Avery's Classroom Blog]
 * This link shows a great video of students using an open number line to solved elapsed time problem.
 * [[file:commoncore-elapsed_time.pdf]]
 * This file consists of 3 lessons on using number lines to solved elapsed time problems.