1.7 Math 7 HW
Identify the property illustrated.
1. –5 • 1 = –5
2. (–3 + 4) + 5 = –3 + (4 + 5)
3. [5 • (–2)] • (–3) = 5 • [(–2) • (–3)]
4. 0 • 11 = 0
5. –8 + 8 = 0
6. –3 • (–12) = –12 • (–3)
7.
5
2
2
8. 7 • (–6) = –6 • 7
• =1
5
9. 5 + (–5) = 0
10. [3 + (–2)] + 1 = 3 + [(–2) + 1]
11. –12 • 1 = –12
12. ½ • 2 = 1
13. (7 • 4) • 3 = 7 • (4 • 3)
14. 25 • (–6) = –6 • 25
15. 9 + (–5) = –5 + 9
16. –10 • 1 = –10
17. 4 + (–4) = 0
18. 6(1) = 6
19. –5 • 1 = –5
20. [5 • (–2)] • (–3) = 5 • [(–2) • (–3)]
21. 3 • ⅓ = 1
22. –3 • (–12) = –12 • (–3)
Rewrite the expression (5 + 2) + 8, using the following properties:
Associative Property of Addition
_________
Commutative Property of Addition ________________
Use the number 2 to illustrate the following properties:
Additive Identity
_________________________
Commutative Property of Multiplication
_____________________________
Multiplicative Inverse _________________________
Associative Property of Multiplication
_____________________________
Zero Property ______________________________
Additive Inverse
__________________________
Demonstrate the additive inverse property on the number line.