Catalyst University
Craig's Test (Trochanteric Prominence Angle Test) | Rationale & Interpretation
In this video, I explain and demonstrate Craig’s test, a special test used in the assessment of femoral anteversion and retroversion, mostly in the pediatric population.
Why U
Pre-Algebra 31 - Simplifying Radical Expressions
Radical expressions can often be simplified by moving factors which are perfect roots out from under the radical sign.
Curated Video
KS2 Primary Maths Age 13-17 - Ratio, Proportion and Algebra: Percentage Problems - Explained
SchoolOnline's Primary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 9-13, they cover every key topic and sub topic covered in Maths in clear and easy to follow steps. This video looks at...
Flipping Physics
Introduction to Significant Figures with Examples
The rules of Significant Figures (or Digits) with several examples and a common mistake. Also a few Scientific Notation Examples.
Brian McLogan
Multiplying single digits - free math help - online tutor
👉 You will learn how to multiply integers from one digit to multiple digits. When multiplying it is important to understand that multiplication is just repeated addition. However with multi-digit numbers we will follow a step by step...
Brian McLogan
How to multiply a two digit whole number by a three digit whole number
👉 You will learn how to multiply integers from one digit to multiple digits. When multiplying it is important to understand that multiplication is just repeated addition. However with multi-digit numbers we will follow a step by step...
Curated Video
Multiplying Numbers in Scientific Notation
In this video, the teacher explains how to multiply numbers expressed in scientific notation. They review the concept of scientific notation and the rules for multiplying exponential expressions with the same base. The teacher provides...
Curated Video
Assessing the Reasonableness of Products Using Front End Estimation
In this lesson, students will learn how to assess the reasonableness of multiplication problem answers using front end estimation. They will practice keeping the first digit of both factors the same and then multiplying to check if the...
Curated Video
Understanding Powers of 10 and Exponents
In this video, students learn how to represent powers of 10 using exponents. They are taught that multiplying a number by a power of 10 shifts the digits to the left the same number of times as the number of zeros in the power of 10. The...
Curated Video
Adding Multiples of 100 Using a Number Line
In this video, students learn how to add multiples of 100 to a number using a number line. Understand that when adding 100, the hundreds digit increases by 1, while the tens and ones digits remain the same. Practice adding different...
IDG TECHtalk
What is Pi Day?
Every year on March 14, math geeks and others celebrate Pi Day. Here's how the celebration got started and other interesting facts around the holiday that's steadily growing in popularity.
Brian McLogan
Irrational numbers introduction
👉 Learn how to classify numbers. We will classify numbers as real, imaginary, rational, and irrational.
Curated Video
Muliplying Using an Area Model- Doodles and Digits
Do your fourth-grade math students need to learn how to multiply using an area model? This video shows upper elementary math students how to multiply using partial products, also known as multiplying using an area model or multiplying...
Curated Video
Assessing the Reasonableness of Sums with Rounding
In this video lesson, students will learn how to assess the reasonableness of addition problems by using rounding. The teacher explains the process of rounding each number to the leftmost place of the smallest number and then adding them...
Curated Video
Understanding Place Value and the Value of Digits
In this video, students will learn about the relationships between digits and their place value using base 10 blocks and a place value chart. They will understand how the value of a digit changes as it moves up on the place value chart,...
Curated Video
GCSE Secondary Maths Age 13-17 - Number: Types of Number and BODMAS - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
Curated Video
Reading and Writing Whole Numbers in Expanded Form
Read and write multi-digit whole numbers in expanded form.
Curated Video
GCSE Secondary Maths Age 13-17 - Number: Decimal Multiplication - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
Why U
Pre-Algebra 18 - Converting Fractions to Decimal Numbers
Any fraction can be converted into an equivalent decimal number with a sequence of digits after the decimal point, which either repeats or terminates. The reason can be understood by close examination of the number line.
Curated Video
Comparing Whole Numbers in Base-Ten Numerals
Compare two multi-digit whole numbers in base-ten numerals.
Curated Video
Identifying Patterns when Skip Counting by Hundreds
In this video, students learn how to identify patterns when skip counting by hundreds using base 10 blocks and a place value chart. The teacher explains the concept of skip counting and demonstrates how to use base 10 blocks to visualize...
Curated Video
Long Division (Four-Digit Dividend)
Find whole-number quotients by dividing four-digit whole numbers (dividend) by one-digit whole numbers (divisor) using long division (standard algorithm).
Curated Video
Long Division (Three-Digit Dividend / One-Digit Divisor)
Find whole-number quotients by dividing three-digit whole numbers (dividend) by one-digit whole numbers (divisor) using long division (standard algorithm).