1.1.2 Properties of Real Numbers - Worksheet
Example 1: Find the additive and multiplicative inverse of each number. 1. − 36 2. − 0.05
3. 2 2
1 500
4. 2 5
5. −
6. 0.25
Example 2: Identify the property demonstrated by each equation. 7. ( ) = ⋅ 3 2 5 (3 2) 5 8. x + 7 y = 7 y + x
1 3
1 3
9.
(28)(9)
(9)(28)
=
Example 3: Use mental math to find each value. 10. cost of 3 items at $2.55 each
1 3 % discount on a $21.99 item
11. a 33
Example 4: Classify each statement as sometimes, always, or never true. Give examples or properties to support your answer. 12. 20 a + 20 b = 5(4 a + 4 b ) 13. a ÷ b = b ÷ a 14. a + ( bc ) = ( a + b )( a + c )
18
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