7th grade Percents

Question 1

How do you change a fraction to a percent?

Answer 1

You change a fraction to a percent by dividing and then moving decimal 2 to right.

Question 2

How do you change a decimal to a percent?

Answer 2

You change a decimal to a percent by moving decimal 2 places to the right.

Question 3

Percent is out of…

Answer 3

Percent is out of 100

Question 4

How do you change a percent to a decimal?

Answer 4

You change a percent to a decimal by moving decimal 2 to the left

Question 5

Proportion set up for percents is…

Answer 5

Proportion set up for percents is: part over whole equals % out over 100

Question 6

When you are finding the part of a number you times or divide?

Answer 6

When finding the part of a number you times the decimal and number.

Question 7

What are 2 ways to find your total with a 40% discount?

Answer 7

1. Find 40% and subtract that amount.

2. Find 60% of the whole

Question 8

When you’re finding the whole of a number do you times or divide?

Answer 8

When finding the whole of a number you will divide the number by the decimal.

Question 9

What are 2 ways to find your total with a 15% tip?

Answer 9

1. Find 15% and add that to your number.

2. Find 115% of the number.

Question 10

How do you find 10% of a number without a calculator?

Answer 10

You find 10% of a # without a calculator by moving the decimal 1 place to the left

Question 11

What is the percent of change formula?

Answer 11

Percent of change formula:

Find difference of numbers and divide by the original number

Question 12

What is the simple interest formula?

Answer 12

Simple interest formula:
I = PxRxT
Interest = principal x rate (%) x time