7 + 8
15
8 x 9
72
True or False: Multiplication comes before Division
False. Do multiplication and division in the order that they appear from left to right.
x + 3 = 5
x = 2
2x + 3 = 7
x = 2
Formula for Area of a Rectangle
A = bh
-4 + -13
-17
-5 x 5
-25
Which comes first, Addition or Subtraction?
Whichever one appears first left to right.
5b = 55
b = 11
3x - 7 = 20
x = 9
Formula for Area of a Triangle
A = (1/2)bh
5 + -11
-6
36 / -9
-4
Solve: (4-2)2 / 2
2
y / 9 = 7
y = 63
20 - 2x = 30
x = -5
a square has a side length of 4 cm. What is the perimeter?
16cm
4 - -7
11
-6 x -7
42
Solve: 50 / (42 + 32)
2
(2/3)x = 4
x = 6
(1/2)x + 3 = 9
x = 12
A rectangle has a base of 5m and a height of 10m. What is the perimeter?
30m
-18 + 24
6
-60 / -15
4
Solve: (33 - 3 x 4) / 5
3
(1/5)a = (1/5)
a = 1
(x / 7) - 3 = -1
x = 14
Formula for Area of a Trapezoid
A = (1/2)(b1+b2)h