Percents Math 6/7

Question 1

What is a percent?

Answer 1

A percent is a ratio expressed as a fraction of 100.

Question 2

True or False: 50% is equivalent to 0.5.

Answer 2

True.

Question 3

What does the term ‘percentage point’ refer to?

Answer 3

It refers to the difference between two percentages.

Question 4

Fill in the blank: To convert a decimal to a percent, you multiply by _____ .

Answer 4

100.

Question 5

If a shirt originally costs $40 and is on sale for 25% off, what is the sale price?

Answer 5

$30.

Question 6

What is the formula to calculate a percentage of a number?

Answer 6

Percentage = (Part / Whole) × 100.

Question 7

True or False: 100% means the whole amount.

Answer 7

True.

Question 8

What percent is equivalent to the fraction 1/4?

Answer 8

25%.

Question 9

If a population increases from 200 to 250, what is the percentage increase?

Answer 9

25%.

Question 10

Fill in the blank: To find 15% of 200, you calculate _____ .

Answer 10

0.15 × 200.

Question 11

What is the term for a decrease in value expressed as a percentage?

Answer 11

Percentage decrease.

Question 12

If a student scores 18 out of 20 on a test, what is their score as a percent?

Answer 12

90%.

Question 13

True or False: A 10% increase followed by a 10% decrease will return to the original amount.

Answer 13

False.

Question 14

What is the percent change formula?

Answer 14

Percent Change = [(New Value - Old Value) / Old Value] × 100.

Question 15

Fill in the blank: 75% of a number is equivalent to _____ of that number.

Answer 15

0.75.

Question 16

If a product costs $80 and is subject to a 5% sales tax, what is the total cost?

Answer 16

$84.

Question 17

What is the percent error formula?

Answer 17

Percent Error = |(Actual Value - Experimental Value) / Actual Value| × 100.

Question 18

True or False: Percentages can only be used with whole numbers.

Answer 18

False.

Question 19

What is a ‘markup percentage’?

Answer 19

The percentage added to the cost price to determine the selling price.

Question 20

If a bank offers an interest rate of 3% per annum, how much interest will you earn on $1,000 in one year?

Answer 20

$30.

Question 21

Fill in the blank: A decrease of 20% from a value of 50 results in _____ .

Answer 21

40.

Question 22

What does it mean to find a ‘percent of change’?

Answer 22

It indicates how much a value has increased or decreased in relation to its original value.

Question 23

If you have a 40% discount on a $200 item, what is the discounted price?

Answer 23

$120.

Question 24

True or False: A percent can be greater than 100.

Answer 24

True.

Question 25

What is the relationship between fractions, decimals, and percentages?

Answer 25

They are different ways to express the same concept of a part of a whole.