### Operations with Time

Welcome to a lesson on operations with time. Let’s take a look at our conversions first. We should be familiar with these. Sixty seconds is equal to one minute. Sixty minutes …

### Determine Lengths in Centimeters, Millimeters, and Inches

In this lesson we will measure lengths and centimeters, millimeters and inches. For part a we’re asked to measure the length of the line segment AB using centimeters as te unit …

### SWL9E5_6: Basic Arithmetic – U.S. Conversions – Single Unit/Multiple Units

In these problems we are working with single unit and multiple-unit conversions. So a single unit is something like 30 months, that would be single, and months and years would be …

### Math Antics – Proportions

Hi! Welcome to Math Antics. In this lesson, we’re gonna learn what proportions are and how we can use them to find an unknown value. The good news is, if you …

### Math Antics – Factoring

Hi and welcome to Math Antics. In today’s lesson, we’re gonna learn all about factoring. Factoring is a math operation. It’s something you DO to a number. Now with the other …

### SWL9E7: Basic Arithmetic – U.S. Conversions – Multi-Step Conversions

Some conversions require more than one step, and the example of how many minutes are in a week is going to illustrate this concept. So let’s start with 1 week, and …

### SWL9E2: Basic Arithmetic – U.S. Conversions

In this example we’re told that Sarah needs 1.5 cups of ketchup to make her meatloaf. She has a 20-ounce bottle of ketchup. How much of this will she need for …

### Math Antics – Decimal Place Value

Hi, I’m Rob. Welcome to Math Antics. In this video, we’re going to learn about decimal place value. As that name suggests, it’s related to regular place value, so be sure …

### [1/2] USA Travel tips / 미국여행 팁 / Imperial System VS Metric System

Canada / USA 60mile/1hour 100km/1hour 1mile=1.6km many other countries 1mile=1000 × passus example many other countries volume 1 l (liter) 1 gal (gallon) 1 bbl (barrel) Short Tall Grand Venti Espress …

### Common Customary Length Conversions Using Unit Fractions

In this video, we’ll perform length conversions using unit fractions. In the first example, we’re going to convert six feet to inches. We’ll begin by writing six feet as a fraction …