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Warm-Up
Fraction to
Decimal
Decimal to
Percent
Solving Percents
Ratio
100
What is 47% of 30
14.1
100
What is 5/8 in decimal form?
.625
100
What is .285 as a percent?
28.5%
100
What is 30% of 120
36
100
A bag contains 2 red marbles and 10 green marbles. What is the ratio of: red to green marbles? red marbles to total marbles?
1/5 1/6
200
What is the area of a circle with a diameter of 24 cm?
452.4 cm squared
200
What is 47/100 in decimal form?
.47
200
What is .684 as a percent?
68.4%
200
9 is what percent of 45?
20%
200
A pet shop has 3 poodles, 6 labs, and 4 pugs. What is the ratio of pugs to poodles? pugs to labs? poodles to labs?
4/3 2/3 1/2
300
What is the area of a triangle with a base of 12 in and a height of 8 in?
48 in squared
300
What is 3 43/50 in decimal form?
3.86
300
What is .05 as a percent?
5%
300
18 is 9% of what number?
200
300
The floor of Tim's room has clothes thrown all over it. He has thrown 10 shirts, 4 pairs of pants, and 3 pairs of shoes. What is the ratio of: shirts to all items on the floor? pants to all items on the floor? pants to shirts?
10/17 4/17 2/5
400
What is the answer to 4 1/3 - 2 3/4
1 7/12
400
What is 2 29/50 in decimal form?
2.58
400
What is .9 as a percent?
90%
400
Mrs. Brown has 50 students in her math class. If 40% of the students have a calculator, how many students have a calculator?
20 students have calculators
400
Betsy's purse contains one wallet, three lipsticks, two coupons, and 12 pictures. What is the ratio of: coupons to pictures? wallets to lipsticks? pictures to lipsticks? wallets to total objects?
1/6 1/3 4/1 1/18
500
What is the square root of 81 + the square root of 64
17
500
What is 2 7/20 in decimal form?
2.35
500
What is 3.86 as a percent?
386%
500
Brittany paid $6.00 in sales tax for a table. The tax rate is 5%. What is the purchase price of the table (before tax)?
$120.00 is the purchase price
500
A table is decorated with colored polka dots. 3 are red, 4 are blue, 6 are yellow, 10 are green and 2 are purple. What is the ratio of: red dots to blue dots? purple dots to all dots? red dots to all dots? blue dots to yellow dots?
3/4 2/25 3/25 2/3