2nd Quarter Review

Front

What is the formula to calculate the total amount when a percentage of it is known?

Back

Total Amount = Amount Spent / (Percentage Spending / 100)

Front

If Carmen spent $88.00 and this was 25% of her total money, how much did she have in her wallet?

Back

Carmen had $352.00 in her wallet.

Front

What does it mean to create a scale model?

Back

A scale model is a physical representation of an object that maintains accurate relationships between its dimensions.

Front

In Teresa's model, if 1.5 inches represents 61 meters, how do you find the height of the model for a 305-meter building?

Back

Use the ratio: Model Height = (1.5 inches / 61 meters) * 305 meters = 7.5 inches.

Front

What is 25% of a number?

Back

25% of a number is equivalent to multiplying the number by 0.25.

Front

If 18 tickets sold represent 25% of total sales, how do you find the total number of tickets sold?

Back

Total Tickets = 18 / 0.25 = 72 tickets.

Front

What is the equation of a line in slope-intercept form?

Back

The equation is y = mx + b, where m is the slope and b is the y-intercept.

Front

What does the slope of a line represent?

Back

The slope represents the rate of change of y with respect to x.

Front

If Lily's tablet costs $88.00 and her dad pays 25%, how much does he contribute?

Back

Her dad contributes $22.00.

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide by 100.