enVision Mathematics Topic 4 Review

Front

What is the formula to calculate the total number of items when given the quantity of items per unit and the number of units?

Back

Total items = Quantity per unit × Number of units.

Front

If a person has a certain number of items and gives some away, how can you find out how many they had initially?

Back

Initial amount = Final amount + Amount given away.

Front

How do you calculate the average number of items each person receives when distributing a total amount equally among friends?

Back

Average per person = Total amount ÷ Number of people.

Front

What is the process to determine how many items can be bought with a given amount of money if each item has a specific cost?

Back

Number of items = Total money ÷ Cost per item.

Front

In a word problem, how can you identify the key information needed to solve for an unknown quantity?

Back

Look for numbers, relationships, and operations indicated in the problem.

Front

What is the importance of understanding unit rates in application-based questions?

Back

Unit rates help compare quantities and make calculations easier.

Front

How can you represent a word problem mathematically?

Back

Translate the words into numbers and operations to form an equation.

Front

What is the significance of checking your work after solving a word problem?

Back

It ensures that the solution is correct and that all parts of the problem were addressed.

Front

What does it mean to solve for an unknown in a mathematical equation?

Back

It means to find the value of a variable that makes the equation true.

Front

How can you use estimation to check the reasonableness of your answer in application-based problems?

Back

Round numbers to make calculations easier and see if the answer is in a reasonable range.