select tools, including real objects, manipulatives, paper and pencil, and technology as appropriate, and techniques, including mental math, estimation, and number sense as appropriate, to solve problems

Popular Tutorials in select tools, including real objects, manipulatives, paper and pencil, and technology as appropriate, and techniques, including mental math, estimation, and number sense as appropriate, to solve problems

    • How Do You Write the Prime Factorization of a Number Using Exponents?How Do You Write the Prime Factorization of a Number Using Exponents?

    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 Mean of a Data Set?How Do You Find the Mean of a Data Set?

    How Do You Find the Mean of a Data Set?

    Mean is just another name for average. To find the mean of a data set, add all the values together and divide by the number of values in the set. The result is your mean! To see an example of finding the mean, watch this tutorial!

    • How Do You Find the Range of a Data Set?How Do You Find the Range of a Data Set?

    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's the Order of Operations?What's the Order of Operations?

    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!

    • How Do You Multiply A Whole Number By A Fraction?How Do You Multiply A Whole Number By A Fraction?

    How Do You Multiply A Whole Number By A Fraction?

    Multiplying a whole number and a fraction can be confusing, but this tutorial helps to sort things out. Check it out!

    • What Does Absolute Value Mean?What Does Absolute Value Mean?

    What Does Absolute Value Mean?

    In this tutorial you'll see how you can think of absolute value in a very intuitive way. Let us know if you have any questions about it!

    • How Do You Figure Out the Sign of a Product or Quotient?How Do You Figure Out the Sign of a Product or Quotient?

    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!

    • How Do You Rewrite Subtraction as Addition?How Do You Rewrite Subtraction as Addition?

    How Do You Rewrite Subtraction as Addition?

    Subtracting a positive is the same thing as adding a negative. Subtracting a negative is the same as adding a positive. Get a closer look with this tutorial!

    • How Do You Add Two Negative Numbers?How Do You Add Two Negative Numbers?

    How Do You Add Two Negative Numbers?

    Adding two negative numbers together? Just add the absolute value of each number together, put a negative sign in front, and you have your answer! See how it's done in this tutorial.

    • How Do You Multiply Decimals?How Do You Multiply Decimals?

    How Do You Multiply Decimals?

    Doing math with paper and pencil can come in real handy, so make sure you're comfortable multiplying decimals by hand. After all, you don't want the calculator to be a crutch!

    • How Do You Solve an Equation Using Addition?How Do You Solve an Equation Using Addition?

    How Do You Solve an Equation Using Addition?

    Solving an equation for a variable? Perform the order of operations in reverse! Check it out in this tutorial.

    • How Do You Solve an Equation Using Division?How Do You Solve an Equation Using Division?

    How Do You Solve an Equation Using Division?

    Solving an equation for a variable? Perform the order of operations in reverse! Check it out in this tutorial.

    • How Do You Use an Equation to Find a Part of a Whole?How Do You Use an Equation to Find a Part of a Whole?

    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!

    • How Do You Determine Whether a Triangle Can Be Formed Given Three Side Lengths?How Do You Determine Whether a Triangle Can Be Formed Given Three Side Lengths?

    How Do You Determine Whether a Triangle Can Be Formed Given Three Side Lengths?

    If you're given 3 side measurements, there's a quick way to determine if those three sides can form a triangle. Follow along with this tutorial and learn what relationship these sides need in order to form a triangle.

    • How Do You Evaluate an Algebraic Expression with One Variable?How Do You Evaluate an Algebraic Expression with One Variable?

    How Do You Evaluate an Algebraic Expression with One Variable?

    If you have a value for a variable in an expression, you can evaluate that expression by plugging in that variable value and simplifying! Follow along with this tutorial to see the entire step-by-step process.

    • What Does It Mean to Divide Fractions?What Does It Mean to Divide Fractions?

    What Does It Mean to Divide Fractions?

    This tutorial gives an in-depth look at dividing fractions by showing you what it really means to divide them.

    • How Do You Find the Surface Area of a Rectangular Prism Using a Net?How Do You Find the Surface Area of a Rectangular Prism Using a Net?

    How Do You Find the Surface Area of a Rectangular Prism Using a Net?

    Finding the surface area of a prism can be a little tricky, but a net can make the problem a little easier. Make your job easier and see how to use a net to find the surface area of a prism.

    • How Do You Find the Surface Area of a Pyramid Using a Net?How Do You Find the Surface Area of a Pyramid Using a Net?
    • How Do You Find the Area of a Rectangle in the Coordinate Plane?How Do You Find the Area of a Rectangle in the Coordinate Plane?

    How Do You Find the Area of a Rectangle in the Coordinate Plane?

    If you need to find the area of a rectangle on the coordinate plane, all you need is the length and width of that rectangle! This tutorial shows you what to do to find the area of a rectangle when it's graphed on the coordinate plane.

    • How Do You Represent Real World Situations Using Integers?How Do You Represent Real World Situations Using Integers?

    How Do You Represent Real World Situations Using Integers?

    The real world has all sorts of math clues! See how to use math to represent real world situations by watching this tutorial:

    • How Do You Identify Points on a Graph?How Do You Identify Points on a Graph?

    How Do You Identify Points on a Graph?

    Plotting points on the coordinate plane is the foundation of graphing equations! But before you can graph equations, you should be very familiar with the coordinate plane. In this tutorial, you'll see how to identify the ordered pair of a point on the coordinate plane. Plus, see how to figure out which quadrant the point is in!

    • How Do You Compare Integers Using a Number Line?How Do You Compare Integers Using a Number Line?

    How Do You Compare Integers Using a Number Line?

    Trying to figure out if a negative number is larger than another can be a little tricky. To make things easier, you could use a number line! This tutorial shows you how to use a number line to compare two negative numbers and determine which is larger.

    • What is an Equation?What is an Equation?

    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!

    • What is a Solution to an Inequality?What is a Solution to an Inequality?
    • How Do You Divide a Decimal by a Decimal?How Do You Divide a Decimal by a Decimal?

    How Do You Divide a Decimal by a Decimal?

    Dividing decimals? Then this tutorial is a must see! Follow along and learn how you can divide decimals by rewriting the problem as a fraction and then using long division to solve. Check it out!

    • How Do You Multiply Mixed Numbers?How Do You Multiply Mixed Numbers?

    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 Divide Fractions?How Do You Divide Fractions?

    How Do You Divide Fractions?

    Dividing fractions? Change that division to a multiplication by multiplying the dividend by the reciprocal of the divisor. Learn all about it by watching this tutorial!

    • How Do You Turn a Fraction Into a Terminating Decimal?How Do You Turn a Fraction Into a Terminating Decimal?

    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 Put Fractions and Decimals in Order?How Do You Put Fractions and Decimals in Order?

    How Do You Put Fractions and Decimals in Order?

    Ordering numbers from least to greatest? Are the numbers in different forms? To make comparing easier, convert all the numbers to decimals. Then, plot those decimals on a number line and compare them! This tutorial shows you how!