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McGraw Hill Glencoe Algebra 1, 2012

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McGraw Hill Glencoe Algebra 1, 2012 View details

3. Properties of Numbers

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Exercise 17 Page 20

Which two numbers are easiest to add?

The expression simplifies to $90 .$

Step	Action	Property used
1	Commutative Property of Addition	Commutative (+)
2	Add parentheses	Associative (+)
3	Add terms	Substitution
4	Add terms	Substitution

Practice makes perfect

Sometimes rearranging the terms can make them easier to add. Let's try!

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Subchapter links

Check Your Understanding p.19

Practice and Problem Solving p.19-21

H.O.T. Problems p.21

Standardized Test Practice p.22

Spiral Review p.22

Skills Review p.22