Curated OER
How Do You Solve a Proportion by Finding an Equivalent Ratio?
Find the missing value in this proportional equation. Look at the relationship of the two numerators and the two denominators to solve this proportional ratio.
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How Do You Set Up a Proportion from a Word Problem?
In this word problem, the skill to remember is to match up the similar measurements. This means the inches match up with the inches and the feet match up with the feet measurements. This problem is a ratio and is written as fractions....
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How Do You Determine if Two Ratios are Proportional Using Cross Products?
Are these two given ratios proportional? One quick and easy way to answer this question is to cross multiply the two values. If the products are equal then they are proportional ratios. If they are not equal then they are not...
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How Do You Solve a Word Problem Using an Inequality Where You're Multiplying Positive Fractions?
Ingrid got some good advice from her father about building a bridge out of pasta. Now she has to do some calculations to build a strong pasta bridge. Figure out how tall she can build her bridge based on a given length. Two given values...
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How Do You Solve a Word Problem Using an Inequality Where You're Multiplying Negative Fractions?
It just doesn't seem right to lose points when answer a question incorrectly. Well, that's what this word problem is all about. So calculate how many incorrect answers the team gave. Don't forget to flip the inequality when dealing with...
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How Do You Solve a Decimal Inequality Using Addition?
In order to solve this inequality use the addition property of inequality to isolate the variable. Don't forget that these are decimal numbers. So be sure to line up the decimals according to the rules of adding decimals.
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How Do You Solve an Equation With Fractions With The Same Denominators Using Addition?
You have an equation with an unknown variable and fractions. How do you solve this kind of equation? You can do it using the addition property of equality to first isolate the variable. Then, combine the fractions and since they have a...
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What's a Reciprocal?
A reciprocal number is the inverse of a given value so that when multiplied the product is one. This can be done with whole number, integers, fractions, and variables. There is only one exception to this rule. Can you think what that...
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How Do You Divide Fractions?
You want me to what? Divide fractions? Ok, breathe. Would it be better if you multiplied those fractions? Find out how to change a division of fractions into a multiplication of fractions.
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How Do You Subtract Mixed Fractions with Different Denominators by Regrouping?
Are your young mathematicians having trouble with subtracting mixed fractions? Consider this video to supplement your teaching. An instructor explains step-by-step how to subtract mixed fractions with unlike denominators showing viewers...
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How Do You Subtract Mixed Fractions with Different Denominators by Converting to Improper Fractions?
The first step in subtracting mixed numbers is to change them into improper fractions. Second, make sure the denominators are the same. If they are not the same, then find a common denominator. Make the proper conversions to the...
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How Do You Subtract Fractions with Different Denominators?
Combining fractions with unlike denominators. Wait! You can't do that! You have to have common denominators to combine the numerator of fractions. Here's a quick review of changing the denominator by multiplying each fraction by that...
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How Do You Add Mixed Fractions with Different Denominators by Converting to Improper Fractions?
The first step in adding mixed numbers is to change them into improper fractions. Secondly, make sure the denominators are the same. If they are not the same, then find a common denominator. Make the proper conversions to the numerator...
Curated OER
How Do You Add Two Fractions with the Same Denominator?
Adding fractions? Do they have a common denominator? Then all that needs to be done is to add the numerators and keep the value of the denominator the same.
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How Do You Add Mixed Fractions with the Same Denominator by Converting to Improper Fractions?
Work through adding mixed fractions by first converting each fraction to an improper fraction. This video details each necessary step, including how to reduce and convert your improper fraction back into a mixed fraction after you have...
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What is a Terminating Decimal?
What is a decimal number called if it ends and has a finite number of digits? It's called a terminating decimal. Not all fractions are terminating decimals, but all terminating decimals can be written as fractions. Watch this video and...
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How Do You Turn a Terminating Decimal Into a Fraction?
The instructor demonstrates how to convert a terminating decimal to a fraction. She calculates a base 10 denominator and then reduces the fraction to simplest form.
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How Do You Turn a Fraction Into a Repeating Decimal?
Writing a fraction is just another way of writing a division problem. Which means all fractions are then division problems. Fractions can be converted into decimal numbers by dividing the numerator by the denominator. Follow along as the...
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How Do You Estimate a Quotient Using Compatible Numbers?
Learn how to do approximations to find a quotient. Given some large numbers to divide, how can this problem be tackled? It's often a good idea to do an approximation first as this can help to be in the ballpark in finding the solution....
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How Do You Find an Average?
How do you find an average of something? Watch this video and see how you can add up all your elements then divide by the number of elements you added up. So simple!
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What is the Formula for the nth Term in a Geometric Sequence?
What is the difference between an arithematic sequence and a geometric sequence? In an arithematic sequence the constant ratio is added, and in a geometric sequence the constant ratio is multiplied. Watch this video and learn how to use...
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How Do You Write a Rule for a Geometric Sequence?
Learners can review how to write a rule for the geometric sequence 2, 4, 8, 16. The tutor explains through direct instruction how they can use the rule to find the 6th, 9th, and 15th terms. This clip is best suited for individuals who...
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What's an Arithmetic Sequence?
2, 4, 6, 8, who do we appreciate? Do the numbers in this sequence make it an arithmetic sequence? Watch this video and find out.
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What is a Term?
What does the word term mean in the math world? Is a term a part of a polynomial? Are terms those pieces of a polynomial separated by either an addition or a subtraction sign? Knowing the vocabulary of math is very important. So watch...