Integers
True of False: -1000298736 is less than 11
True
25 + 36 =
61
120 - 50 =
70
One sample of bacteria to a temperature of -51°C and another to -76°C. How many degrees lower is the colder temperature?
-25°C
True or False: Owing money means negative dollars.
True
What is the name of a 2 dimensional plane with an x and y axis?
Cartesian Plane
-16 + -4 =
-20
-87 - 17 =
-104
On Tuesday the mailman delivers 3 checks for $6 each and 2 bills for $5 each. How much money do you have after paying the bills and depositing the cheques?
$8
-2 x 4 =
-8
A) vertical
B) horizontal
Vertical
-44 + 36 =
-8
56 - -90 =
146
You owe $225 on your credit card. You make a $55 payment. What is the remaining balance?
$170 owing
True or False: Cartesian plan was "discovered" by René Descartes in 1637.
True
The x-axis is:
A) vertical
B) horizontal
89 + -120 =
-31
-17 - -22 =
5
If it is -25F in Alaska and it is 75F in Honolulu, how many degrees between the two cities?
100F
- 90 / -9 =
10
True or False: 0 is always negative
222 + -37 =
185
-118 - 324 =
-442
The temperature started at 9°C in the morning and went to -13°C at noon. What is the decrease in temperature?
-22°C
-18 + 195 + -46 - -87 =
218