Curated Video
Using Number Lines to Solve Word Problems: Addition and Subtraction
This video is a lesson on solving word problems using a number line. The instructor provides step-by-step instructions on how to use a number line to solve one-step addition and subtraction word problems. The lesson includes examples and...
Curated Video
Finding the Area of a Complex Shape
This video explains how to find the total area of a complex shape by breaking it down into simpler shapes and counting the square units. It emphasizes the importance of finding the area of each individual shape and then adding them...
Curated Video
Equivalent Mixed Numbers and Decimals on a Number Line
In this video lesson, students learn about the equivalence of mixed numbers and decimals by comparing them on a number line. It demonstrates how to convert decimals to mixed numbers and vice versa, and shows that all three forms...
Curated Video
Subtracting Within 20: Finding the Difference Between Two Numbers
This video is a math lesson that teaches how to subtract within 20 by finding the difference between two given numbers. The video starts by reviewing the definition of subtraction and explaining how subtraction is related to addition...
Curated Video
Rounding to the Nearest 10 Using a Number Line
In this video, the teacher explains how to round numbers to the nearest 10 using a number line. The students are introduced to benchmark numbers and midpoints, which help determine whether to round up or down.
Math Fortress
Geometry: Introduction to Geometry (Level 1 of 7)
This video introduces the basic building blocks for the successful study of geometry. This video goes over the appropriate ways to denote and name points, lines, segments, rays, angles and triangles.
Curated Video
Adding Fractions with the Same Denominator Using a Number Line
Learn how to solve word problems involving adding fractions with the same denominator using a number line. Watch a demonstration of the concept, showing examples of students reading books for different amounts of time.
Curated Video
Exploring Reflections in Linear Equations
In this lesson, students will learn about reflections in linear equations. They will explore how the functions F of X and G of X are alike and different, focusing on the slope and Y-intercept. Through examples and a table of values,...
Curated Video
Adding Positive and Negative Integers Using a Number Line
This video explains the concept of integers and demonstrates how to graph the addition problems on a number line. Students also learn to consider the absolute value of the addends to determine whether the answer should be positive or...
Curated Video
Estimating Fraction Sums and Differences with Benchmark Fractions
In this video, students learn how to use benchmark fractions to estimate the sums and differences of fractions in story problems. The teacher explains the concept of benchmark fractions using the dollar and number line representations.
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.
Virtual Nerd
Virtual Nerd: How Do You Graph the Union of Two Inequalities?
This tutorial will teach you how to graph the union of two inequalities using a number line. [2:06]
Virtual Nerd
Virtual Nerd: How Do You Graph the Intersection of Two Inequalities?
The intersection of two inequalities is what they have in common. This tutorial shows you how to graph two inequalities on the same number line and then find the intersection. [2:40]
Virtual Nerd
Virtual Nerd: How Do You Graph an Inequality or an Infinite Set on a Number Line
This tutorial will demonstrate how to graph an inequality and an infinite set on a number line. Closed and open circles are discussed using specific examples. [3:37]
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: Arithmetic and Pre Algebra: Decimals on a Number Line
This video shows how to locate and plot a decimal number on a number line. Practice problems are available. [1:39]
Khan Academy
Khan Academy: Adding 7 + 6
Sal demonstrates adding 7 + 6 using a number line. Includes a video, transcript, and question and answer section. [3:53]
Khan Academy
Khan Academy: Adding and Subtracting on Number Line
Sal adds and subtracts three-digit numbers less than 1000 using a number line. Includes a video, transcript, and question and answer section. [2:24]
PBS
Pbs Learning Media: I <3 Math: Integers
This video explores positive and negative integers and how we use them in the real world. This "I <3 Math" episode explains the difference between positive and negative numbers and how these numbers can be represented on a number...
Virtual Nerd
Virtual Nerd: Find the Absolute Value of Positive and Negative Numbers
Watch this video tutorial and discover how to use a number line to find absolute value. [4:37]
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: 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: Plotting Decimal Numbers on a Number Line
Sal demonstrates how to find decimals with hundredths on a number line. [4:07]
Khan Academy
Khan Academy: Graphing Hundredths From 0 to 0.1
Video demonstrates how to graph 0.04 on a number line. [2:38]