Integer Operations
-8 + 15
7
3x + 4x =
7x
Area of rectangle: l=7, w=3
21
What gas do plants use to make their own food?
Carbon Dioxide
12 - 19
-7
x + 9 = 15
6
Perimeter of square with side 6
24
What planet is closest to the Sun?
Mercury
-6 x 7
-42
5x = 30
6
A right angle measures how many degrees?
90
What is the hardest natural substance on Earth?
Diamond
45 divided by -9
-5
2 (x+4) = 16
2
A acute angle measures how many degrees?
less than 90
Which U.S. state is known as the “Sunshine State”?
Florida
-3 - (-11)
8
x / 5 = 8
40
A obtuse angle measures how many degrees?
more than 90
What planet is known as the Red Planet?
Mars