Corbett Maths
Reading Scales
There's any number of reasons why number lines are important. Young mathematicians learn about two skills related to numbers lines. First, they see how to determine the value of a point by considering the intervals drawn on the number...
Math Antics
Graphing on the Coordinate Plane
Graphing points is like painting a picture in algebra. Starting with a number line, the video constructs the coordinate plane. The presentation introduces the concept of a coordinate pair as an intersection of the two lines containing...
Brightstorm
Plotting Points and Naming Quadrants - Concept
Did you know that a fly started the idea of the coordinate plane? A video introduces the Cartesian Coordinate Plane and the vocabulary associated with it. The resource provides the procedure in which to plot a point along with...
PBS
Working With Coordinate Planes: Student Video
Provide your mathematicians an introduction to coordinate planes with a captivating video featuring Virtual Math Girl. Viewers get a step-by-step description of how to use a single, positive number quadrant to plot ordered...
PBS
Working With Coordinate Planes: Instructor Video
Watch a video intended for teachers to gain pointers, tips, and tricks to teach learners how to graph ordered pairs on a coordinate plane, and to calculate distances with the distance formula. Additionally, obtain recommendations...
Virtual Nerd
What are Quadrants in the Coordinate Plane?
The teacher diagrams a coordinate plane and identifies the four quadrants. He labels the quadrants with numbers. Then he illustrates a table to identify the positive or negative value of the x-coordinate and the y-coordinate and...
Corbett Maths
Coordinates
Over and up, it's really that easy. A short video describes how to locate points and how to identify the coordinates of points on a two-dimensional coordinate plane. A worksheet provides some additional problems to help scholars master...
Other
Algebra2 Go: Prealgebra: Absolute Value & the Opposite of a Number
Concept demonstration video [8:26] explains how to find the opposite and the absolute value of a given number. A number line is used to help show the distance from zero.
Khan Academy
Khan Academy: Algebra: Complex Numbers: Number Sets
Video first reviews what natural numbers, whole numbers, integers, rational numbers, irrational numbers and real numbers are. Gives examples of classifying numbers. [5:17]
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Points on a Number Line
This video shows how to plot fractions, negative numbers, decimals, and fractions on a number line. Practice problems are available. [1:58]
Khan Academy
Khan Academy: Algebra: Complex Numbers: Number Sets 2
Video explains in which number sets in the real number system that a specific repeating decimal belongs. Shows method for rewriting the repeating decimal as a fraction. [6:52]
Khan Academy
Khan Academy: Algebra: Quadrants of Coordinate Plane
This video identifies the four quadrants of the coordinate plane and explains how to identify what quadrant an ordered pair would be located in. Practice problems available. [2:24]
Khan Academy
Khan Academy: Algebra: The Coordinate Plane
This video demonstrates how to identify the ordered pair of a point graphed on the coordinate plane and how to graph a point when given the ordered pair. It also goes a step further and demonstrates how to graph a geometric figure based...
Khan Academy
Khan Academy: Algebra: Absolute Value and Number Lines
A review of what an absolute value is and a step-by-step demonstration on how to plot absolute values on a number line. Practice problems available. [5:39]
Khan Academy
Khan Academy: Algebra: Absolute Value 1
A step-by-step demonstration on how to list absolute value quantities from smallest to largest on a number line. Practice problems available. [3:22]
Khan Academy
Khan Academy: Algebra: Absolute Value of Integers
A short video explaining that an absolute value of an integer is its distance from zero. Practice problems available. [2:22]
Math Mammoth
Math Mammoth: Add and Subtract Integers Practice: Thinking of Number Line Jumps
Demonstrates how to add and subtract integers using a number line. [5:32]
Math Mammoth
Math Mammoth: Integers Lesson: Solved Examples, Part 2
Models how to solve integer problems on absolute value and on the dilation of a triangle. [4:25]
Khan Academy
Khan Academy: Adding Numbers With Different Signs
Demonstrates with the help of a number line how to add positive and negative 2-digit numbers. [5:32]
Khan Academy
Khan Academy: Negative Decimals on the Number Line
The video provides examples that require us to interpret a number line in order to locate where our positive and negative decimals should be placed.
Khan Academy
Khan Academy: Coordinate Plane Word Problems: Examples
Presents example problems about the location of and the distance between coordinates on a grid. [4:47]
Virtual Nerd
Virtual Nerd: How Do You Identify Points on a Graph?
Plotting points on the coordinate plane is the foundation of graphing equations. Before students can graph equations, get familiar with the coordinate plane here in this tutorial. [7:17]
Khan Academy
Khan Academy: Negative Numbers, Variables, Number Line
Given a, b, and c shown on the number line, Sal determines if statements like -b < c are true. [4:54]
Khan Academy
Khan Academy: Coordinate Plane: Graphing Points
Video tutorial demonstrates how to graph ordered pairs on a coordinate plane. [2:20]