Mucho Math
Algebra2go: Addition on a Number Line
A visual representation of addition on a number line.
Mucho Math
Algebra2go: Introduction to Subtraction
Subtraction is visually demonstrated on a number line. Negative numbers are included in this video.
Khan Academy
Khan Academy: Negative Number Basics: Negative Numbers Introduction
This video shows how to think about and represent negative numbers using a number line.
Khan Academy
Khan Academy: Absolute Value: Absolute Value 1
A step-by-step demonstration on how to list absolute value quantities from smallest to largest on a number line.
Khan Academy
Khan Academy: Decimals on a Number Line
Conceptualizing decimals and place notation: decimals on a number line.
Other
Algebra2go: Addition and Subtraction Problems
Expressions with addition and subtraction operations are evaluated while demonstrating the calculation on a number line. [4:35]
Khan Academy
Khan Academy: Line Plot Distribution: Trail Mix
Video tutorial shows how to use different bags of trail mix to find the amount of trail mix each bag would contain if the total amount in all the bags were redistributed equally. [6:07]
Other
Math Snacks: Number Rights
Whole numbers are no better than any others! Practice plotting values on the number line as a passionate activist rises up and demands equity for all numbers, including fractions and decimals. A teaching guide with printable resources is...
Study Pug
Study Pug: Express Linear Inequalities Graphically and Algebraically
Linear inequalities can be represented both graphically and algebraically. In this video, you will learn how to express linear inequalities as an equation and on a number line. [8:15]
Curated Video
Math Tutor Dvd: Solving & Graphing Inequalities W/ One Variable in Algebra, Part 1
In this video, you will learn how to solve inequalities in algebra that only have one variable. You will learn that solving inequalities is very similar to solving equations and many of the same rules apply. After we arrive at the...
Khan Academy
Khan Academy: Equivalent Fractions on Number Lines
The Teacher uses number lines to teach equivalent fractions.
Khan Academy
Khan Academy: Comparing Fractions: Number Line
Sal Kahn compares fractions on a number line.
Khan Academy
Khan Academy: Dividing a Whole Number by a Decimal on a Number Line
The user is shown how one can divide a whole number by a decimal on a number line.
Khan Academy
Khan Academy: Comparing Decimal Numbers on a Number Line
Sal Khan compares decimals on a number line.
Khan Academy
Khan Academy: Plotting Decimal Numbers on a Number Line
Sal Khan finds decimals with hundredths on a number line.
Khan Academy
Khan Academy: Identifying Hundredths on a Number Line
The teacher identifies decimals graphed on a number line.
Khan Academy
Khan Academy: Graphing Hundredths From 0 to 0.1
The teacher demonstrates graphing 0.04 on a number line.
Khan Academy
Khan Academy: Writing a Number as a Fraction and Decimal
Sal Khan shows the connection between decimals and fractions using a grid diagram and number lines.
Khan Academy
Khan Academy: Identifying Tenths on a Number Line
The teacher identifies a point graphed on a number line.
Khan Academy
Khan Academy: Addition and Subtraction With Number Lines
Watch as Sal figures out which number line matches up with a 2-digit addition or subtraction problem. [1:52]
Khan Academy
Khan Academy: Adding and Subtracting on Number Line Word Problems
Watch Sal use a number lines to solve addition and subtraction word problems with numbers less than 100. [4:27]
Khan Academy
Khan Academy: Plotting Inequalities
To plot an inequality, such as x>3, on a number line, first draw a circle over the number (e.g., 3). Then if the sign includes equal to fill in the circle. If the sign does not include equal to (> or <), leave the circle...
Khan Academy
Khan Academy: Time Word Problem: Travel Time
Sal Khan solves a word problem about travel time by using a number line. [4:08]