Curated OER
How Do You Translate Phrases into Numerical Expressions?
Translating verbal phrases into numerical expressions can often be tricky. Your pupils most likely need to practice these. The instructor helps identify key terms by first identifying the operation. Then she looks for the numerical...
Curated OER
What Are Numerical and Algebraic Expressions?
Numerical expressions contain numbers and mathematical operations. In addition to numerical expressions, algebraic expressions contain not only numbers but also variable(s). Watch this video as the instructor illustrates several examples...
Curated OER
What is Addition?
Cassandra (a student) does a great job defining the concept of addition. She provides a visually stimulating video, 4 examples of addition, and a full explanation of each example. A cute clip sure to educate and entertain.
Curated OER
The Equal Sign
Oh that equal sign! Russel kindly explains what an equal sign is and what it means. He provides several examples in this super short yet informative video.
Curated OER
Adding Decimals (2)
Adding decimals can be as easy as following the steps. This short presentation shows what to do and what not to do when adding decimal numbers together. Note: There is no audio commentary with this presentation.
Curated OER
Algebra: Introduction to Algebra
That old math tutor from is back and he is here to introduce the concept of algebra. This clip is actually quite clear and informative. Variables, constants, and algebra are defined along side solid examples. This clip would be good for...
Curated OER
Math Video: Division of Numbers
Using good story-style examples, this video describes and introduces the concept of division very well. The video is a little slow but provides good examples and describes the properties of division, repeated subtraction, and math...
Curated OER
Primary Maths Addition
Learning new ways to look at basic addition problems can help young mathematicians better grasp place value, expanded form, and carrying. Watch the instructor add two and three-digit numbers together by breaking each number into tens and...
Curated OER
Long Division of Numbers - Arithmetic Basics
Watch and learn how to do long division. You'll see and hear the process in an easy to follow step-by-step way. There is no doubt that this is a helpful tutorial great for those in need of a long division refresher. Multiple colors and...
Khan Academy
Singapore Math: Grade 3a, Unit 1 (Part 8)
Sal provides a series of numbers for viewers to consider. They must attempt to identify the number pattern and predict the following two numbers in the sequence. The video contains various problems involving place value and pattern...
Curated OER
How Do You Determine if a Sequence is Arithmetic or Geometric?
Learners who view this video should gain a better understanding of the difference between a geometric sequence and an arithmetic sequence. The video includes an example of each, with step-by-step instructions on how to figure out which...
Curated OER
How Do You Solve an Inequality by Multiplying by a Positive Number?
Instruct your pupils on solving inequalities by multiplying by positive numbers with this video. The video presents how to do just this in step-by-step fashion. A straightforward video, this could be used to supplement your lesson during...
Curated OER
What is the Domain of a Relation?
The teacher illustrates several ways to look at what the domain is in a set of numbers. Input, output, table, graphs, and diagrams are a few of the ways in which she illustrates the meaning of domain.
Curated OER
How Do You Subtract Whole Numbers?
Line up your numbers! The instructor shows you how to line your numbers up by place value. Then step by step she subtracts each place value. She demonstrates how to borrow when the top value is less than the bottom value you are...
Curated OER
Mean, Median, and Mode
How many types of average are there? This video describes how to determine the mean, median, and mode of a set of numbers. Each type is worked through using one data set and the instructor shows the procedure for determining each.
Curated OER
What are Some Words You Can Use to Write Word Problems?
The instructor makes several lists on the whiteboard. Get out notepaper and write these down. She is identifying words that indicate mathematical expressions and she is putting them into categories: addition, subtraction, multiplication,...
Curated OER
What are Inverse Operations?
Explore inverse operations. Video viewers watch as a teacher shows how to "undo" an operation by using the opposite operation. By the end, learners should grasp that addition is the opposite of subtraction and division is the opposite of...
Curated OER
How Do You Determine if a Sequence is Arithmetic or Geometric?
Learners who view this video should gain a better understanding of the difference between a geometric sequence and an arithmetic sequence. The video includes an example of each, with step-by-step instructions on how to figure out which...
Curated OER
How Do You Turn a Longer Verbal Phrase into an Algebraic Expression?
Translate, breakdown, break it up, or unpack this verbal phrase to get an algebraic expression. Practice this skill to get better at unpacking the more difficult word problems to come. The instructor breaks up this verbal phrase into...
Curated OER
Basics of Ratios
A good definition of a mathematical vocabulary term is worth its weight in gold. This video tutorial defines the term ratio, provides three different ways ratios are expressed, and gives a real-life ratio example. Good video for those...
Curated OER
Basic Math: Lesson 6 - #10 - Subtraction of Fractions
This is a full lesson created to assist learners in subtracting mixed numbers and fractions. The instructor speaks quickly and fails to explain his thinking completely. He refers to LCD, completes problems involving negative numbers, and...
Curated OER
How to Teach Kids Kindergarten Math: How to Tell Kids Addition Stories
Here is a tutorial video made just for parents who home school their children. The clip shows how a parent can teach basic addition skills through story problems and drawings.
Curated OER
What are Inverse Operations?
Explore inverse operations. Video viewers watch as a teacher shows how to "undo" an operation by using the opposite operation. By the end, learners should grasp that addition is the opposite of subtraction and division is the opposite of...
Virtual Nerd
What is the Range of a Relation?
The teacher illustrates several ways to look at what the range is in a set of numbers. Input, output, stem and plot table, graphs, and diagrams are a few of the ways in which she illustrates the meaning of range.