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 cost of multiple items?

Back

To calculate the total cost, multiply the price of one item by the number of items purchased.

Front

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

Back

To find the percentage of a number, multiply the number by the percentage (in decimal form). For example, to find 20% of 50, calculate 50 * 0.20 = 10.

Front

How do you convert a mixed number to an improper fraction?

Back

To convert a mixed number to an improper fraction, multiply the whole number by the denominator, add the numerator, and place that result over the original denominator.

Front

What is the process to find the remaining balance after a purchase?

Back

To find the remaining balance, subtract the total amount spent from the initial amount.

Front

How do you calculate the total cost of a family visiting a place with different ticket prices?

Back

Multiply the number of adult tickets by the adult ticket price and the number of child tickets by the child ticket price, then add both totals.

Front

What is the formula for calculating the total cost of renting an item with a flat rate and hourly rate?

Back

Total Cost = Flat Rate + (Hourly Rate * Number of Hours).

Front

How do you find the total number of pieces from a length when cutting?

Back

To find the total number of pieces, divide the total length by the length of each piece.

Front

What is the method to calculate the remaining amount after spending a percentage of money?

Back

To calculate the remaining amount, first find the amount spent by multiplying the total by the percentage, then subtract that amount from the total.

Front

How do you calculate the cost of a service that has a base fee and a variable fee?

Back

Add the base fee to the product of the variable fee and the number of units used.