Topic 6

Front

What is the concept of ratio in mathematics?

Back

A ratio is a relationship between two numbers indicating how many times the first number contains the second.

Front

How do you calculate the total earnings from selling multiple items at different prices?

Back

To calculate total earnings, multiply the quantity of each item sold by its price and then sum all the earnings.

Front

What is the formula to find the unknown variable in an equation?

Back

To find the unknown variable, isolate the variable on one side of the equation using inverse operations.

Front

How do you determine the number of items in each box when given a total and the number of boxes?

Back

Divide the total number of items by the number of boxes to find the number of items per box.

Front

What is the process for solving a subtraction equation to find an unknown number?

Back

Add the number on the right side of the equation to the number being subtracted from to find the unknown number.

Front

What does it mean to compare quantities in terms of 'times as many'?

Back

It means to express how many times one quantity is greater than another quantity.

Front

How can you express a total amount earned from sales in different formats?

Back

You can express total earnings in various formats such as numerical value, currency format, or written out in words.

Front

What is the significance of understanding unit rates in problem-solving?

Back

Unit rates help in comparing different quantities and understanding the cost per item or per unit.

Front

How do you set up an equation based on a word problem?

Back

Identify the quantities involved, define variables for unknowns, and translate the relationships into mathematical expressions.

Front

What is the importance of checking your work after solving an equation?

Back

Checking your work ensures that the solution is correct and that no mistakes were made during calculations.