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Basic Math: Rational Numbers

A rational number is a number which can be expressed as a ratio of two integers. Non-integer rational numbers (commonly called fractions) are usually written as the vulgar fraction a / b , where b is not zero. a is called the numerator, and b the denominator.

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Operations with Rational Numbers

Do you need help with Operations with Rational Numbers in your Basic Math class?

Basic Math: Rational Numbers Videos

Adding And Subtracting Rational Expressions 2
Video Clip Length: 3 minutes 52 seconds
Video Clip Views: 4133

adding rational expressions, expressions, number sense, numbers, rational expressions, rational numbers, subtracting rational expressions

Adding And Subtracting Rational Expressions
Video Clip Length: 2 minutes 52 seconds
Video Clip Views: 2941

adding rational expressions, expressions, number sense, numbers, rational expressions, rational numbers, subtracting rational expressions

Solving Rational Equations
Video Clip Length: 1 minute 35 seconds
Video Clip Views: 1861

equations, number sense, numbers, rational equations, rational numbers, solving equations, solving rational equations

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Basic Math: Rational Numbers Word Problems

Mr. Jenkins can dig a ditch
Mr. Jenkins can dig a ditch in one hour less then his son. Working together, they can do the job in 2\3 hour. How long does it take for ...

A marketing manager travels
A marketing manager travels 1080 miles in a corporate jet and then an additional 240 miles by car. If the car ride takes one hour longer than the jet ride takes, and if the rate of the jet is 6 times the rate of the ...

simplifying rational expressions
Mario can do the work in X hours. Luigi takes one more hour than Mario to do the work. Together they finish the work in 100 ...

Basic Math: Rational Numbers Practice Questions

Is the square root of 225 rational or irrational?

2y/y+4=3/y-1

1/4=3-(2x-1)/(x+2)

(3/2)x = 125

³√x - 4 = 2

4-(x)/(x-2)=(-2)/(x-2)

√x+20-x=0

Let a number equal x. multiply by 4. add 4...

6/12 simplify

Is the product of two natural numbers a natural number?

Is zero a rational number?

Is 40 a rational number?

¹⁶√-9¹⁶

Related Grade Levels

5th Grade Math

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