2019 Math ACT Prep

Front

What is the formula to calculate the percentage of one quantity relative to another?

Back

Percentage = (Part / Whole) * 100

Front

If the length of the south side of the park is 142 6/7% of the length of the north side, what does this imply about their relationship?

Back

It implies that the south side is longer than the north side, specifically 42 6/7% longer.

Front

What does it mean if a percentage is greater than 100%?

Back

It means that the part is greater than the whole.

Front

How do you convert a fraction to a percentage?

Back

Multiply the fraction by 100 and add a percent sign.

Front

What is the first step in solving a percentage problem?

Back

Identify the part and the whole.

Front

What is the significance of the term 'whole' in percentage calculations?

Back

The 'whole' is the total amount that the percentage is being compared to.

Front

If a park's north side is 200 meters long, what is the length of the south side if it is 142 6/7% of the north side?

Back

Length of south side = 200 * (142 6/7 / 100) = 285.33 meters.

Tags

CCSS.7.RP.A.3

Front

What is a common mistake when calculating percentages?

Back

Confusing the part with the whole or misplacing the decimal.

Front

How can percentages be used in real-life situations?

Back

Percentages are used in finance, statistics, and everyday decision-making, such as discounts and interest rates.

Tags

CCSS.6.RP.A.3C

Front

What is the relationship between fractions and percentages?

Back

Fractions can be converted to percentages, and both represent parts of a whole.