Proportions/ Ratios
1 : 3
15 : ?
? =45
What is the formula to find the Area of a Rectangle/square?
Base x Height= A
Volume of a rectangular prism that is 10in by 5in, and 3in tall?
150 in3
2x= 16
What is x?
x = 16
-3+3 =?
0
x; 1, 2, 3, 4, 5, 6, 7, ....
y; 4, 8, 12, 16, 20, 24, 28, ....
What is the rule?
y= 4x
A rectangle has a length of 20cm, and width of 5cm.
What is the Area of the rectangle?
100 cm2
Volume of a rectangular prism that is 8in by 5in, and 4in tall?
160 in3
4x= -32
What is X?
x = -8
5 - -7 =?
12
x; ...., 4, 5, 6, 7, ....
y; ...., 36, 45, 54, 63, ....
What is the rule?
y= 9x
What is the formula to find the Area of a Triangle?
( Base x Height ) / 2 =A
Volume of a rectangular prism that is 7in by 2in, and 6 in tall?
84 in3
-12x +1 = -71
What is X?
x=6
82 =?
64
3 : 15
? : 40
?=8
A rectangle has a length of 9cm, and width of 12cm.
What is the Area of the rectangle?
108 cm2
Volume of a CUBE that has a side of 3in ?
All sides are the same;
3x3x3= 27 in3
6x -2 = -32
What is X?
x=-5
112 = ?
121
2 : 5
8 : ?
?=20
What is the formula to find the Area of a Circle?
r2 x pi =A
The Volume of a rectangular prism is 300 in3, and its area of base is 150 in2. What is the height of the prism?
2 in
-4x +12 = -32
What is X?
x=11
-7+62 -8 = ?
21