SOL 7.CE.1 Practical Word Problems with Rational Numbers

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Front

How do you calculate the total amount of money after earning and spending?

Back

To find the total amount, add the earnings to the initial amount and then subtract the expenses.

Front

What is the formula to calculate a percentage of a number?

Back

To calculate a percentage of a number, multiply the number by the percentage (in decimal form). For example, 20% of $100 is calculated as $100 * 0.20 = $20.

Front

How do you find the change received after a purchase?

Back

To find the change, subtract the total cost of the purchase from the amount of money given to the cashier.

Front

What does it mean to distribute time evenly among several activities?

Back

Distributing time evenly means dividing the total time by the number of activities to find out how much time to spend on each.

Front

How do you convert hours to minutes?

Back

To convert hours to minutes, multiply the number of hours by 60.

Front

What is the process for solving a word problem involving multiple steps?

Back

1. Read the problem carefully. 2. Identify the known and unknown values. 3. Break the problem into smaller parts. 4. Solve each part step by step.

Front

What is a coupon discount?

Back

A coupon discount is a reduction in price that is applied to a purchase, usually expressed as a percentage of the total cost.

Front

How do you calculate the remaining balance after spending a portion of money?

Back

Subtract the amount spent from the initial balance to find the remaining balance.

Front

What is the significance of understanding fractions in word problems?

Back

Understanding fractions is important because they often represent parts of a whole, which is common in financial and time-related problems.