Equations for Real-World Problems

Front

What is an equation?

Back

An equation is a mathematical statement that shows that two expressions are equal, often using the '=' sign.

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value of the variable that makes the equation true.

Front

What is a variable in mathematics?

Back

A variable is a symbol, often a letter, that represents a number that can change or vary.

Front

What is a strip diagram?

Back

A strip diagram is a visual representation used to help solve problems by showing the relationships between quantities.

Front

How do you calculate the total cost of items?

Back

To calculate the total cost, multiply the price of each item by the quantity purchased and then add all the costs together.

Front

What is the formula to find the total number of seats in a bus with different seating arrangements?

Back

Total seats = (Number of rows with 1 seat x 1) + (Number of rows with 2 seats x 2).

Front

How do you divide items equally among groups?

Back

To divide items equally, subtract any items not being shared from the total, then divide the remaining items by the number of groups.

Front

What is a discount?

Back

A discount is a reduction in the price of an item, often expressed as a percentage or a fixed amount.

Front

How do you represent a real-world problem with an equation?

Back

Identify the quantities involved, assign variables, and write an equation that relates these quantities.

Front

What is the importance of checking your work in math?

Back

Checking your work helps ensure that your calculations are correct and that you have solved the problem accurately.