Assignment 1.2
Properties of Real Numbers
Name the sets of numbers to which each value belongs.
-9
= -3 ___________________, _
1.6 ___________________, _
_________________, _________________
_________________
18 ___________________, __________________
Simplify each expression.
2m + 7n – 6m – 5n
2m – 6m = -4m
7n – 5n = 2n
+
-5 (a-4b) + 4b
-5 x a = -5a
-5 x -4b = 20b
-5a + 20b
+
4b
20 b
+
4b =
-5a
+
Closed Last Step Strategy
Choices:
Real Numbers
Rational Numbers
Irrational Numbers
Integers Numbers
Whole Numbers
Natural Numbers
Assignment 1.2
Properties of Real Numbers
2(5x + 4y) – 3(x + 8y)
2 ● 5x = 10 x
2 ● 4y = 8y
-3 ● x = -3x
-3 ● 8y = -24y
10x + -3x
=
8y + -24y
=
+
Closed Last Step Strategy
Assignment 1.2
Properties of Real Numbers
CLOTHING
For exercises 1 and 2 use the following information.
A department store sells shirts for $12.50 each. Dalila buys 2, Latisha buys 3, and Pilar buys 1.
1. Illustrate the Distributive Property by writing two expressions to represent the cost of these
shirts.
$12.50 (2 + 3 + 1 )
$12.50 x 2 =
25
$12.50 x 3 =
37.50
$12.50 x 1 =
12.50
+
+
=
2. Use the Distributive Property to find how much money the store received from selling these
shirts.
2 ( 12.50 ) + 3 ( 12.50 ) + 1 ( 12.50 )
2 x 12.50 =
3 x 12.50 =
1 x 12.50 =
+
+
=
Closed Last Step Strategy