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 a percentage increase?

Back

To calculate a percentage increase, subtract the original value from the new value, divide the result by the original value, and then multiply by 100.

Front

What is the formula to calculate total cost when renting an item?

Back

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

Front

How do you find the total cost for a family visiting a place with different ticket prices?

Back

Total Cost = (Number of Adults × Adult Ticket Price) + (Number of Children × Child Ticket Price)

Front

What is the process to solve a word problem involving multiple steps?

Back

1. Read the problem carefully. 2. Identify the question. 3. Extract relevant information. 4. Set up equations or expressions. 5. Solve step by step.

Front

How do you determine how many students meet certain criteria in a group?

Back

Count the number of students who meet the criteria based on the information provided.

Front

What is the total amount left after spending from an account?

Back

Total Amount Left = Initial Amount + Income - Total Expenses.

Front

How do you calculate the total distance run over multiple weeks with increasing mileage?

Back

Week 1 Distance = Initial Distance; Week 2 Distance = Week 1 Distance × (1 + Percentage Increase); Week 3 Distance = Week 2 Distance × (1 + Percentage Increase).

Front

What is the importance of understanding word problems in mathematics?

Back

Understanding word problems helps in applying mathematical concepts to real-life situations and enhances problem-solving skills.

Front

What is the significance of using parentheses in mathematical expressions?

Back

Parentheses indicate which operations should be performed first in an expression, following the order of operations.