Circles
A circle has a radius of 3.6in. What is the diameter of the circle?
7.2 in
How can you tell if a line on a graph is proportional?
It goes through the orgin
What is the percent incrrr4ease from 50 to 80?
60%
The length and height of two quadrilaterals are
18:28 and 54:448.
What is the scale factor?
3
What is 5/7 as a decimal?
Is it a repeating or terminating decimal?
0.714285714
Repeating decimal
The circle has a radius of 9 cm. What is the approximate area of the circle? Use 3.14 for pi
254.34
What is the proportion between these two measurements?
3 tbsp of flour
18 tbsp of sugar
1 tbsp of flour to
6 tbsp of sugar
39.2 is 80% of what number?
49
Tyler made a scale model of Earth in science class. The scale that maps the scale model to the actual Earth is 1 inch to 1,070 miles. If the height in the scale model is 7.4 inches, what is the actual height of Earth?
7,918 miles
What is 85/7 as a decimal?
12.14285714
A tire company is making tires for trucks. They need to find the area of a large tire. A large tire has a diameter of 4 feet. What is the approximate area of the large tire?
12.56
m/169 = 3/13
m=
39
A city has 5% sales tax. A toothbrush costs $3.90 before tax. How much is it including tax?
$4.10
If the original square has a side length of 13 and it got larger by a scale actor of 4. What is the length of the new figure?
52 ins
What is 9/25 written as a decimal?
0.36
The perimeter of a circular fountain has a diameter of 8.75 feet. What is the approximate perimeter of the water fountain?
27.475
w=3/6
If the constant proportionality is 2, what would the next fraction be?
6/12 (1/2)
A meal's bill is $21.
A 5% tax is applied.
What is the total with tax?
$22.05
A toy dinosaur has a length of 25 inches. The factory chose to make the length 5 inches. What is the scale factor from the original to the new?
What is 5/8 written as a decimal? Percent?
Decimal: 0.625
Percent: 62.5%
What is the formula for circumference?
C=dpi or C=2rpi
Lucia earns $12 per hour - y=12x
Is the relationship proportional?
Why or why not?
Yes it can be expressed as y=kx
What is 16.8% of 50?
8.4
Adam wanted to hang a poster that can be unraveled to have a scale factor of 3. The poster is 4 inches tall and 2 inches wide. What are the new values unraveled and the area of the poster?
Height = 12 in
Width = 6 in
Area = 72 square inches
Which of these fractions have the greatest value?
3/26 3/28 3/13
3/13