1. Education

Your suggestion is on its way!

An email with a link to:

http://712educators.about.com/cs/warmups/l/blwarmmath4.htm

was emailed to:

Thanks for sharing About.com with others!

Most Emailed Articles

Now We Can Begin

Mathematics Warm Ups:
Properties of Real Numbers

1. Which property is shown below?

a + b = b + a


Answer: Commutative Property

More Questions Below...

2. Which property is shown below?

a(b + c) = ab + ac


Answer: Distributive Property


3. Which property is shown below?

a + (b + c) = (a + b) + c


Answer: Associative Property


4. Which property is shown below?

If a = b and b = c then a = c.


Answer: Transitive Property


5. If a, b, c, and d are real numbers, show that
(a + b)(c + d) = ac + bc + ad + bd


Answer: (a + b)(c + d) = (a + b)c + (a + b)d
                                        = (ac + bc) + (ad + bd)
                                        = ac + bc + ad + bd


©2014 About.com. All rights reserved.