Adding and Subtracting Integers
12 - 7 = ?
5
4 x 7 = ?
28
60 / 5 = ?
12
What does BEDMAS stand for.
brackets
exponents
division- multiplication
addition- subtraction
state the 4 rules for multiplication and division of integers
+ x/ + = +
- x/ - = +
- x/ + = -
+ x/ - = -
-9
(-5) x (-5) = ?
25
(-36) / (-6) = ?
6
22 (16 -22) / (-4) =
-66
show that (2 x (-4)) =-8 (4 x (-2)) are equal using a number line
let me see.
facing
size
number
backwards/forwards
(-5) + (15) = ?
10
(-9) x (2) = ?
-18
(-45) / (9) = ?
-5
3 + (4-8) x (-2) = ?
11
a golf tournament is 5 rounds. Bella shot -2 in two rounds, -3 in one round, and +2 in two.
What was her score?
Show your work.
(-2 x 2) + (-3 x 1) + (+2 x 2)
-4 + -3 +4 =-3
Bella's score is -3.
(4) - (-6) = ?
10
(4) x (-6) = ?
-24
(-72) / (8) = ?
-9
22(12-22) / (-2) =
-88
a golf tournament is 5 rounds. Bella shot -1 in two rounds, -4 in one round, and +1 in two.
What was her score?
Show your work.
(-1 x 2) + (-4 x 1) + (1 x 2)
= -2 + -4 + 2
= -4
Bella's score is -4.
(-12) - (5) = ?
-17
(-13) x (-12) = ?
156
(144)/ (-12) = ?
-12
5 + (3-6)(-4) =
17
the temperature in a chemistry experiment was dropping -2 degrees every 30 minutes. If the initial temperature was 4 degrees, what is the temperature after 6 hours?
-2 x 12 =-24
4 + (-24) =-20
The temperature is -20 degrees after 6 hours.