OUR Math 7 Unit 4 Pre-Test

Front

What does 100% of a number represent?

Back

Equal to that number.

Front

What is 75% of a number equivalent to?

Back

Front

If Diego poured 6.8 ounces of water and estimated it was 20% of the full bottle, how much water was in the full bottle?

Back

34 ounces.

Front

What percentage is 21 of 30?

Back

70%.

Front

What is the equivalent expression for 0.05(x-40)?

Back

0.05x - 2.

Front

Define percentage in mathematical terms.

Back

A percentage is a fraction expressed as a part of 100.

Front

How do you calculate the percentage of a number?

Back

Multiply the number by the percentage (in decimal form).

Front

What is the decimal equivalent of 75%?

Back

0.75.

Front

How do you convert a fraction to a percentage?

Back

Multiply the fraction by 100.

Front

What is the formula to find the percentage of a total?

Back

Percentage = (Part/Total) * 100.