Signs
A positive integer multiplied by another positive integer would be?
A Positive
What is the zero rule?
Anything multiplied by 0 will equal 0
What is (-9) x 7
(-63)
A negative multiplied by a positive would be what?
A negative
What is the rule that involves 1?
4 x 7
28
A positive multiplied by a negative would be what?
negative
Does it matter what order the numbers are in?
No
8 x (-8)
(-64)
what are the 2 ways that the product of an equation will be negative?
Positive x negative
Negative x positive
Is 3x4 + 3x5 the same as 3x (4+5)
Yes
3x4= 12 and 3x5=15
12+15 =27
3 x (4+5) = 3x9
3x9= 27
10 x (-9)
(-90)
A negative multiplied by a negative is what?
A positive
Explain/show what a zero pair is
When you need to add pairs into a "bank" because there you cannot deposit a negative
(-6) x (-7)
42