Do the following:
1. (-10) + (-10) =
2. (+6) + (+9)=
3. (+6)-(+9)=
4. 20 + (-8)=
5.(-4) x (+7) =
6. (-12) x (-8) =
7. (+12) x (+11) =
8. (+2) x (-8) =
9.44 - 11 =
10. (-60) - (-10) =
11. (-12) - (+12) =
12. (+24) - (-12) =
13. Fill in the blanks using properties given:
a. (-35) +
=18 + (-35) ( Commutative property)
b. (24+10) + (-6) = 24 + .+ (-6)) { Associative property
c. (-536) + 0 =
d. 18 + (-18) =
e.(-25) x1 =
Answers
Answer:
Multiplication and Division of Integers
MULTIPLICATION
RULE 1: The product of a positive integer and a negative integer is negative.
RULE 2: The product of two positive integers is positive.
RULE 3: The product of two negative integers is positive.
Examples:
Rule 1: 1. (+4) x (-2) = -8 2. (-2) x (+5) = -10
Rule 2: 1. (+6) x (+8) = +48 2. (+6) x (+2) = +12
Rule 3: 1. (-6) x (-8) = +48 2. (-2) x (-4) = +8
DIVISION
RULE 1: The quotient of a positive integer and a negative integer is negative.
RULE 2: The quotient of two positive integers is positive.
RULE 3: The quotient of two negative integers is positive.
Examples:
Rule 1: 1. (-8) / (+4) = -2 2. (-12) / (+6) = -2
Rule 2: 1. (+6) / (-3) = -2 2. (+24) / (-6) = -4
Rule 3. 1. (+9) / (+3) = +3 2. (+16) / (+4) = +4
Rule 4: 1. (-6) / (-2) = +3 2. (-42) / (-7) = +6
SUMMARY OF MULTIPLICATION AND DIVISION
Answer:
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