Math 8
Practice 1.1 Fundamental Properties
Name ________________________
Date: _____________
Block: ____ 1. Identify the property illustrated (you may abbreviate). a. –5 • 1 = –5 b. (–3 + 4) + 5 = 5 + (−3 + 4) c.
5 • – 2 • (–3) = 5 • – 2 • – 3 d. 0 • 11 = 0 e. –8 + 8 = 0 f. –3 • (–12) = –12 • (–3)
g.
!
!
!
• ! = 1 h. 7 • (–6) = –6 • 7
i. 5 + (–5) = 0 j. [3 + (–2)] + 1 = 3 + [(–2) + 1]
k. –12 • 1 = –12 !
l. ! • 2 = 1
m. (7 • 4) • 3 = 7 • (4 • 3) n. 25 • (–6) = –6 • 25
o. 9 + (–5) = –5 + 9 p. –10 • 1 = –10
q. 4 + (–4) = 0 r. 6(1) = 6
s. –5 • 1 = –5 t. (5 • –2) • (–3) = (−2 • 5) • (–3)
!
u. −3 • − ! = 1 v. –3 • (–12) = –12 • (–3)
2. Illustrate the following properties, using number 2: a. Commutative Property of Multiplication: ___________________ b. Associative Property of Addition: _____________________ c. Distributive Property: ____________________ d. Additive Inverse Property: _________________________ e. Multiplicative Inverse Property: ________________________ f. Additive Identity Property: ___________________________ g. Multiplicative Identity Property: ________________________ h. Multiplicative Property of Zero: ____________________