General Rules
(+) x (+) =
(+) or positive
-9 ÷ 1.5
-6
-5/8*1/2
-5/16
-4/11-:2/7
-1 3/11
(-9)(12)
-108
(+) x (-) =
-
-0.8 x (-1.1)
-0.88
5/8*(-4/15)
-1/6
7/10÷(-5/2)
-7/25
-56 ÷ 6
-7
Tell whether the expression is positive or negative without evaluating.
-3/10 * (-8/15)
positive
-0.3 * 5/6
-1/4
-3/5*2 2/7
-1 13/35
9/10-:(-1 1/5)
-3/4
-6 * (-3) * (-6)
-108
How is multiplying and dividing rational numbers similar to multiplying and dividing integers?
The same rules for signs of integers are applied to rational numbers.
-9.01 x (-0.2)
1.802
-2 3/8*(-1 3/5)
3 4/5
-1 5/6-:4 1/6
-11/25
During the game, one unlucky player had to move back 6 spaces 7 turns in a row. Find a number to represent that player's movements for those 7 turns.
-42
Tell whether the expression is positive or negative without evaluating.
-6/5-:(-1/2)*6.3*(-0.6)-:2/3*7 7/8-:100
negative
24.75 ÷ 0.5
49.5
3 9/10*(-2 2/3)
-10 2/5
-4 1/6-:1 1/3
-3 1/8
(7)*(-8)*(-2)
112