Ratios/Proportions
I was making banana bread, and I doubled every ingredient so I could make two loaves. Is this an example of a proportional relationship?
YES! If everything got doubled, the ratio remains the same.
What is the distance ACROSS a circle from one end to the other called?
Diameter
A square has sides of 4 inches. What is the area of the square?
16 square inches
What is the percent value of 1/2?
50%
-5 + 6
1
I was making banana bread, and I only doubled the bananas because I wanted it to be more banana flavored. Is this an example of a proportional relationship?
NO! I have to double every ingredient for it to be proportional.
What is the distance from the CENTER to the OUTSIDE of a circle called?
Radius
A rectangle has side lengths of 10 and 3 inches. What is the area of the rectangle?
30 square inches
How do you find 10% of a number in your head quickly?
Divide it by ten!
20 + (-18)
2
Are 4/5 and 16/20 equal ratios?
YES!
What is the distance AROUND a circle called?
Circumference
A triangle has a height of 8 and a length of 5 inches. What is the area of the triangle?
20 square inches
What is 35% as a decimal?
0.35
40 / (-5)
-8
What is the constant in the relationship between 2/3 and 12/18?
6
If a circle has a radius of 9, what is the diameter?
18
A rectangle has side lengths of 15 and 5 inches. What is the PERIMETER of the rectangle?
40 inches
What is 20% of 80?
16
-60 * 2
-120
What is the constant in the relationship between 9/10 and 72/80?
8
If a circle has a diameter of 10, what would be the approximate circumference?
30 or 31.4
14 square inches
What is 60% of 40?
24
-7 * (-9)
63