ACT Prep Math 2021

Front

What is the formula to calculate the total cost of purchasing multiple items?

Back

Total Cost = Price per Item × Number of Items

Tags

CCSS.3.OA.C.7

Front

How do you convert a fraction to a percentage?

Back

To convert a fraction to a percentage, divide the numerator by the denominator and then multiply by 100.

Front

If a student answers 75% of questions correctly, how can you find the total number of questions if you know the number of correct answers?

Back

Total Questions = Correct Answers ÷ (Percentage Correct / 100)

Tags

CCSS.6.RP.A.3C

Front

What type of graph is best for showing trends over time?

Back

A line graph is best for representing continuous changes over a period of time.

Front

What is the formula for the surface area of a cylinder?

Back

SA = 2πrh + 2πr², where r is the radius and h is the height.

Front

How do you determine how many items can be purchased with a given amount of money?

Back

Divide the total amount of money by the price per item.

Tags

CCSS.3.OA.A.3

Front

What is the relationship between fractions and percentages?

Back

Fractions can be converted to percentages, which represent a part of a whole in terms of 100.

Front

What is the significance of the radius in calculating the surface area of a cylinder?

Back

The radius is crucial as it determines the size of the circular bases and affects the overall surface area.

Front

How can you find the percentage of correct answers on a test?

Back

Percentage Correct = (Number of Correct Answers ÷ Total Questions) × 100.

Front

What is the difference between a bar graph and a line graph?

Back

A bar graph is used for comparing discrete categories, while a line graph shows trends over continuous data.