Instructional Video5:19
Super Geek Heroes

Adding, Subtracting with Millie Maths

Pre-K - K
Fun 3D animated learning episodes to support the early years development areas of Mathematics. Millie Maths is a Super Geek Hero on a mission to learn! Millie is learning to add and subtract by using familiar objects and numbers. A great...
Instructional Video4:55
Professor Dave Explains

Negative Numbers

12th - Higher Ed
Explaining negative numbers.
Instructional Video2:55
Cerebellum

Continuing Algebra

9th - 12th
This video covers exam strategy, Algebra, Absolute Value, Direct and Inverse Variation. This is part 8 from the series 'Introduction to the Math Section of the SAT'.
Instructional Video4:13
Curated Video

Regrouping and Decomposing in Subtraction with Zeros in the 10s or Ones Places

K - 5th
In this video, students learn how to subtract numbers that have zeros in the tens or ones places by regrouping or decomposing hundreds or tens. The teacher uses base 10 blocks to demonstrate the concept and guides students through two...
Instructional Video4:10
Curated Video

Using Addition and Subtraction to Solve Real World Fraction Problems

K - 5th
In this video, the teacher demonstrates how to use addition and subtraction with fractions to solve real-world problems. The examples provided involve finding equivalent fractions and subtracting fractions with unlike denominators. The...
Instructional Video5:47
Curated Video

Subtracting Fractions with Unlike Denominators Using Fraction Bars

K - 5th
This video explains how to subtract fractions with unlike denominators using fraction bars. It emphasizes the importance of finding a common denominator and shows how to use equivalent fractions to achieve this. The video also addresses...
Instructional Video3:27
Curated Video

Division by Subtracting Equal Groups

K - 5th
In this video, students learn how to solve division problems by subtracting equal groups. The teacher explains the concept of division as repeated subtraction and demonstrates how to use this strategy to find the quotient.
Instructional Video4:20
Curated Video

Solving Systems of Linear Equations by Substitution

K - 5th
In this video, mathematicians learn how to solve systems of two linear equations using the substitution method. The instructor explains the concept using real-life examples, such as ticket prices and fruit costs. By substituting values...
Instructional Video5:00
Curated Video

Rethinking Subtraction as Addition: Using the Additive Inverse

K - 5th
This video demonstrates the concept of the additive inverse using examples on a number line and shows how the answers remain the same. By understanding the additive inverse, students can easily convert subtraction problems into addition...
Instructional Video4:53
Curated Video

Breaking Apart Numbers to Explain Subtraction

K - 5th
In this video, we learn different ways to break apart numbers to make subtraction easier. We can use words, place value blocks, drawings, and addition to explain subtraction. By breaking apart numbers in different ways, we can compare...
Instructional Video3:49
Curated Video

Subtracting Integers Using a Number Line

K - 5th
In this video, the teacher explains how to subtract negative numbers using a number line. They provide examples and real-world scenarios to help students understand the concept. The lesson emphasizes the direction of movement on the...
Instructional Video4:48
Curated Video

Subtracting Three-Digit Numbers Using a Number Line

K - 5th
In this video, the teacher explains how to subtract three-digit numbers using a number line. They demonstrate how to draw a number line and use it to find the difference between two numbers.
Instructional Video4:11
Curated Video

Subtracting Large Numbers Using the Standard Subtraction Algorithm

K - 5th
This video teaches how to efficiently subtract large multi-digit whole numbers using the standard subtraction algorithm. The instructor demonstrates how to line up the numbers, decompose and recompose numbers, and repeat the process for...
Instructional Video4:22
Curated Video

Subtracting Three-Digit Numbers Using Expanded Form

K - 5th
In this video, the teacher explains how to find the difference between three-digit numbers without drawing pictures. They introduce the concept of expanded form and demonstrate how to subtract by breaking down the values of each digit.
News Clip7:11
Bloomberg

Goldman Economist Jan Hatzius's Top Predictions for 2020

Higher Ed
Dec.11 -- Jan Hatzius, Goldman Sachs chief global economist, discusses his economic predictions for 2020. He speaks with Bloomberg's Alix Steel on "Bloomberg Daybreak: Americas."
Instructional Video0:55
Curated OER

Subtraction

2nd - 4th
A cute video on the basics of subtraction await! Efrin explains what subtraction is, what it isn't, and provides several simple examples of how subtraction works. A great video for younger learners just building a mathematical...
Instructional Video1:31
Curated OER

How Do You Subtract Decimals?

5th - 7th
Subtracting? Line up the decimals, line up the decimals, line up the decimals! Put in place-holder trailing zeros, when necessary. Now do your subtraction. When you have your answer, bring down the decimal, bring down the decimal, bring...
Instructional Video1:14
Curated OER

Subtracting Single and Double Digit Numbers

5th - 8th
A quick step-by-step instruction on how to subtract single and double digit numbers is shown in this video. Note: There is no audio, and viewers may want to pause at certain points to take notes.
Instructional Video2:08
Curated OER

How Do You Subtract Decimals?

6th - 12th
Subtracting? Line up the decimals, line up the decimals, line up the decimals! Put in place holder trailing zeros, when necessary. Now do your subtraction. When you have your answer, bring down the decimal, bring down the decimal, bring...
Instructional Video2:33
Curated OER

How Do You Subtract a Whole Number from a Fraction?

6th - 12th
Follow along as the instructor demonstrates how to subtract a whole number from a fraction. First, she changes the whole number to a fraction. Then she finds the least common denominator of the two fractions. Finally, she does the...
Instructional Video2:33
Curated OER

How Do You Add and Subtract a Bunch of Numbers with Different Signs?

6th - 12th
So you have an expression of positive and negative numbers and you want to add and subtract them. Do you do the operations in order that they are written? Do you combine some? Do you move them around? Do you change their signs? The...
Instructional Video
Math Playground

Math Playground: How Do You Subtract by Regrouping?

2nd - 4th Standards
This video illustrates how to perform subtraction by regrouping (or borrowing).
Instructional Video
PBS

Pbs Learning Media: Cyberchase: Film Shoot: Day 3

1st - 5th
Cyberchase video in which the CyberSquad compares their budget with their actual spending from day three of their film shoot. This is one in a series of videos about the film shoot. [1:03]
Instructional Video
PBS

Pbs Learning Media: Cyberchase: Film Shoot: Day 4

2nd - 6th
In this Cyberchase video segment, the CyberSquad figures out how to incorporate a new scene into their film while staying within their budget. This is one in a series of videos about the film shoot. [0:58]