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Lesson 9 6 multiplying integers
- 1. Name ______________________________ Date __________________
Mrs. Labuski / Mrs. Rooney Period _____ Lesson 9-6 Multiplying Integers
Numbers 3•2 -3 • 2 3 • (-2) -3 • (-2)
3 groups of the opposite of the opposite of
Words 3 groups of -2
2 3 groups of 2 3 groups of 2
Addition 2+2+2 -(2 + 2 + 2) (-2) + (-2) + (-2) -[(-2) + (-2) + (-2)]
Product 6 -6 -6 6
Rules:
If the signs are the same, the product is positive
If the signs are different, the product is negative
1. 7 • 8 __56___________ 2. 5 • (-9) ___-45________3. -4 • 12___-48_______
4. -6 • (-11) __66_______ 5. -3 • 8 __-24_________ 6. -12 • (-18) _216_____
7. 5 • (-7) __-35_______ 8. -4 • 3 _-12________ 9. -8 • (-2) __16_______
10. -9 • (-1) __9_______ 11. 5 • (-6) ___-30______ 12. -10 • (-4) __40______
13. 6 • (-8) ___-48_____ 14. 0 • (-3) __0_____ 15. 7 • (-9) __-63______
Evaluate 4n for each value of n.
16. n =- 2 _________ 17. n = (-4) _________ 18. n = (-7)_________
4n 4n 4n
4 • -2 4 • -4 4 • -7
-8 -16 -28
- 2. 19. n = (-3) _________ 20. n = 11 _________ 21. n = 0_________
4n 4n 4n
4 • -3 4 • 11 4•0
-12 44 0
Evaluate -3n for each value of n.
22. n = -5 _________ 23. n = 0 _________ 24. n = 6_________
-3n -3n -3n
-3 • -5 -3 • 0 -3 • 6
15 0 -18
25. n = (-8) _________ 26. n = 7 _________ 27. n = (-1)_______
-3n -3n -3n
-3 • -8 -3 • 7 -3 • -1
24 -21 3
Name ______________________________ Date __________________
Mrs. Labuski / Mrs. Rooney Period _____ Lesson 9-6 Multiplying Integers
Numbers 3•2 -3 • 2 3 • (-2) -3 • (-2)
Words
Addition
Product
Rules:
If the signs are the __________, the product is ____________
- 3. If the signs are __________, the product is __________
1. 7 • 8 _____________ 2. 5 • (-9) ___________ 3. -4 • 12____________
4. -6 • (-11) _________ 5. -3 • 8 ____________ 6. -12 • (-18) _________
7. 5 • (-7) _________ 8. -4 • 3 _________ 9. -8 • (-2) _________
10. -9 • (-1) _________ 11. 5 • (-6) _________ 12. -10 • (-4) _________
13. 6 • (-8) _________ 14. 0 • (-3) _________ 15. 7 • (-9) _________
Evaluate 4n for each value of n.
16. n = 2 _________ 17. n = (-4) _________ 18. n = (-7)_________
19. n = (-3) _________ 20. n = 11 _________ 21. n = 0_________
Evaluate -3n for each value of n.
22. n = -5 _________ 23. n = 0 _________ 24. n= 6_________
25. n =(-8) _________ 26. n = 7 _________ 27. n = (-1)_______