Adding Rational Numbers
-10+-12
-22
5.5 - 2.7
2.8
Order from Least to Greatest
|-5|, 3, -4, -1
-4, -1, 3, |-5|
What is the definition of a variable?
A letter or symbol that represents an unknown quantity
If eleven plus two equals one, what does nine plus five equal?
On a clock, 11:00 plus 2 hours = 1:00, 9:00 plus 5 hours = 2:00
-3.42 + 1.67
-1.75
-7 - (-12)
5
What's a way to define absolute value?
The distance of a number from zero
2n -10 +9n+3
11n-7
If a dozen eggs cost 12 cents how much does 100 eggs cost?
$1 (100 cents)
-0.15 + -0.85 + 12.5
11.5
-1 1/3 - (-2 1/3)
1
|-26|+|-16|-|-26|
16
Simplify the following expression:
-10x + 15 - 3x + 2
-13x + 17
A pizza weighs ten pounds plus half its own weight. How much does the pizza weigh?
20 pounds. 10 pounds plus half of 20 pounds equals 20 pounds. They are all read the same upside down
Mr. Smith has an account balance of -$275.78. He deposits $539.20 into his account. What is Mr. Smith's account balance now?
$263.42
Jackson bought 5 bags of chips. He paid with a $10 bill and got $3.75 back in change. If the chips all cost the same, how much did each bag cost?
1.25
Solve for x
l 6x l = 48
-8 and 8
Simplify the following expression by combining like terms:
3(2x - 4) + 6x - 1
12x - 13
What do the numbers 11, 88, and 96 all have in common?
They are all read the same upside down.
Miranda's ice cream was - 32 degrees when she started eating. She got a phone call and stopped eating to talk on the phone. The ice cream had warmed by 17 degrees when she returned. What value represents the temperature change of the ice cream after the phone call?
-15
The air temperature in the North Pole in the morning was 3 degrees Celsius. By 10:00am the temperature dropped 12 degrees. By noon the temperature had gone up 5 degrees. At 3:00pm the temperature went up 9 degrees. By nightfall the temperature had dropped 16 more degrees. What was the temperature at the North Pole at nightfall?
-9
Solve for x
l 2x−1 l =5
3 and -2
Simplify:
4(8x + 1) - 6(1 - 8x)
80x - 2
There was a girl half my age when I was 12, now I am 64, how old is she?
58, half of 12 is 6 so 64-6 is 58