display, explain, and justify mathematical ideas and arguments using precise mathematical language in written or oral communication.

Popular Tutorials in display, explain, and justify mathematical ideas and arguments using precise mathematical language in written or oral communication.

What are Rates and Unit Rates?

Can you do 100 sit-ups in 2 minutes? That's a rate! Driving a car going 40 miles per hour? That's a unit rate! Watch this tutorial to learn about rate and unit rate (and the difference!).
How Do You Write the Prime Factorization of a Number Using Exponents?

When you're writing the prime factorization of a number, you may be able to use exponents to quickly show all the factors. This tutorial shows you how to find the prime factorization of a number and use exponents to write the answer!
How Do You Find the Range of a Data Set?

The range of a data set is the difference between the largest number and the smallest number. In this tutorial, you'll see how to find the range of a set of data. Check it out!
What is a Stem-And-Leaf Plot?

Stem-and-leaf plots can be really helpful in visually interpreting data. This tutorial introduces you to stem-and-leaf plots, shows you how to use this special type of graph, and explains some of the popular uses. Take a look!
What is a Line Plot?
What is the Interquartile Range?

Being able to disect a set of data and better understand it is a key part of mastering statistics. This tutorial teaches you about one of these disection tools called the interquartile range.
What is a Box-and-Whisker Plot?
What's the Order of Operations?

Check out this tutorial where you'll see exactly what order you need to follow when you simplify expressions. You'll also see what happens when you don't follow these rules, and you'll find out why order of operations is so important!
What's an Inequality?

Inequalities come up all the time when you're working algebra problems. In this tutorial you'll learn what an inequality is, and you'll see all the common inequality symbols that you're likely to see :)
How Do You Figure Out the Sign of a Product or Quotient?

Multiplying and dividing numbers takes a good amount of thinking, and it's easy to make a mistake. But you can make sure that you're on the right track if you check whether the answer should be positive or negative. In this tutorial you'll see exactly how to tell if your answer will be positive or negative, even if you don't know the exact value of the answer. That way you'll always be able to check your answers!
What's a Percent?

Sales tax, tips at restaurants, grades on tests... no matter what you do, you can't run away from percents. So watch this tutorial and see once and for all what percents are all about!
How Do You Use an Equation to Find a Part of a Whole?

Taking a percent of a number? Trying to figure out the result? Convert the percent to a decimal and multiply it by the number! This tutorial will show you how!
What's a Ratio?

Ratios are everywhere! The scale on a map or blueprint is a ratio. Ingredients sometimes need to be mixed using ratios such as the ratio of water to cement mix when making cement. Watch this tutorial to learn about ratios. Then think of some ratios you've encountered before!
How Do You Put the Sides of a Triangle in Order According to Size if You Know Two Angles of the Triangle?

Trying to figure out which side of a trianlge is the shortest? How about the longest? All you need to get your answer are the angle measurements of the triangle! How does it work? Watch this tutorial to find out!
What is the Commutative Property of Addition?

When you're adding numbers together, does their order matter? This tutorial can answer that question! It looks at the Commutative Property of Addition!
What is the Associative Property of Addition?

The Associative Property of Addition is a useful tool when you're adding multiple numbers together! Follow along with this tutorial to learn about this property and see how to use it.
How Do You Find Equivalent Ratios by Making a Table?

To master equivalent ratios, you need to practice. Follow along with this tutorial to practice filling in a table with equivalent ratios.
How Do You Find the Surface Area of a Pyramid Using a Net?
What Are Numerical and Algebraic Expressions?

An expression is just a mathematical phrase. In this tutorial, you'll learn about two popular types of expressions: numerical and algebraic expressions. A numerical expression contains numbers and operations. An algebraic expression is almost exactly the same except it also contains variables. Check out this tutorial to learn about these two popular kinds of expressions!
What is an Equation?

In order to tackle the challenging topics, you first need to know the basics. Equations are the start of some very fun and challenging math problems. Watch this tutorial to learn about equations!
How Do You Multiply Mixed Numbers?

To multiply mixed fractions together, you could first convert each to an improper fraction. Then, multiply the fractions together, simplify, and convert your answer back to a mixed fraction. This tutorial will show you how!
How Do You Turn a Fraction Into a Terminating Decimal?

Did you know that a fraction just represents a division? To turn a fraction into a decimal, divide the numerator by the denominator. In this tutorial, see how to convert a fraction into the terminating decimal it represents.
How Do You Find Equivalent Ratios?

Ratios are used to compare numbers. When you're working with ratios, it's sometimes easier to work with an equivalent ratio. Equivalent ratios have different numbers but represent the same relationship. In this tutorial, you'll see how to find equivalent ratios by first writing the given ratio as a fraction. Take a look!
What are Equivalent Ratios?

Equivalent ratios are just like equivalent fractions. If two ratios have the same value, then they are equivalent, even though they may look very different! In this tutorial, take a look at equivalent ratios and learn how to tell if you have equivalent ratios.
What is the Triangle Sum Theorem?

When you're dealing with triangles, the Triangle Sum theorem can be very useful in finding interior angle measurements. In this tutorial, learn how to find this helpful theorem!
How Do You Find the Area of a Rectangle?

To find the area of a rectangle, multiply the length times the width! This tutorial will show you how to find the area of a rectangle. Check it out!
How Do You Find the Area of a Triangle?

Finding the area of a triangle? Know the length of the base and the height? Then just take those values and plug them into the formula for the area of a triangle and solve! This tutorial shows you how.
What is the Formula for the Volume of a Prism?

Trying to find the volume of a prism? Did you know that there's a formula to find that volume? In this tutorial, you'll learn about the formula for the volume of a prism. Check it out!