Decimals to Percent
Percent to Decimal
Tax/Discount/Markup
Percent of change/error
Mixed Percentage Questions
100
Convert 0.35 to a percentage.
35%
100
Whats 23% written as a decimal?
0.23
100

$68 cost for a DVD player,

markup 35%

What's the selling price?

$91.80

100

Original price: $2

New price: $3

50% increase

100
What is 10% of $40? (no calculator)
$4
200
What is 0.8 when written as a percentage.
80%
200
What is 5% written as a decimal?
0.05
200

Original price $89. On sale for 25% off. WHat is selling price?

$66.75

200

measured length: 2.5cm

actual length: 2.54cm

1.6% increase

200
What is 75% of 200kg? (no calculator)
150kg
300
Convert 0.125 into a percentage.
12.5%
300
How do you write 42 1/2 % as a decimal?
0.425
300

What is the discount amount for a $100 bike that is on sale for 45% off the original price?

$45

300

population 2000: 27,741

population 2006: 27,077

2% decrease

300
In a class of 24 students, 75% of them are present. What percentage are away? How many students are away? (no calculator)
25%. 6 students are away.
400
What is 5.1 written as a percentage?
510%
400
How do you write 150% as a decimal?
1.5
400

A CD with original $11.95 is discounted 20%. Sales tax of 5.5% is added. How much is the selling price?

$10.09

400

participants 40.3 million

Two years later: 35.6 million

11.7% decrease

400
What is 2.5% of $60? (no calculator)
$1.50
500
How do you write 0.002 as a percentage
0.2%
500
How do you write 0.3% as a decimal?
0.003
500

A restaurant marked up the cost of making a pizza 90% to $8.50. How much is the cost of making the pizza?

$0.85

500

4 desks are removed from a classroom with 30 desks. What is the percent of decrease?

13%

500
A DVD priced at $30 has a 20% discount applied. How much is the discount and what is the sale price? (No calculator)
Discount is $6 and sale price is $24
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