4.OA.3: Represent problems using equations with variables

Front

What is the purpose of using variables in equations?

Back

Variables are used in equations to represent unknown values, allowing us to express relationships and solve problems mathematically.

Front

How can you represent a total amount using an equation?

Back

A total amount can be represented using an equation by summing individual quantities or using multiplication to express repeated addition.

Front

What equation would you use to find the total number of pages in a book if you read a certain number of pages each day for a set number of days?

Back

The equation would be total pages = pages per day x number of days.

Front

How do you express a situation where one quantity is a multiple of another?

Back

You can express this situation using multiplication, such as total quantity = base quantity x multiplier.

Front

What is the equation to find the number of items each person gets when dividing a total equally among a group?

Back

The equation is total items ÷ number of people = items per person.

Front

How do you set up an equation to find out how much more is needed to reach a goal?

Back

You can set up the equation by adding the amounts already achieved to the unknown amount and setting it equal to the goal.

Front

What does the equation b = 5 + (5 x 3) represent in terms of total balloons?

Back

This equation represents the total number of balloons Susan has, where she has 5 red balloons and 3 times that amount in blue balloons.

Front

In the equation t = 15 + (15 x 2), what does each part represent?

Back

In this equation, '15' represents the tickets sold in the morning, and '(15 x 2)' represents the tickets sold in the afternoon.

Front

What is the significance of the equation 72 ÷ 8 = s in a sharing scenario?

Back

This equation shows how to divide a total quantity (72 stamps) equally among a number of people (8 friends), resulting in the number of stamps each person receives.

Front

How can you represent a total exercise goal using an equation?

Back

You can represent a total exercise goal by summing the minutes exercised and the minutes left to exercise, setting it equal to the total goal.