Number and Operations

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

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero, but not a fraction or decimal.

Front

How do you calculate the total cost of items purchased?

Back

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

Front

What is the formula to find the remaining amount after a donation?

Back

Remaining amount = Total cost - Donation received.

Front

How do you divide a total amount among a group?

Back

To divide a total amount among a group, divide the total by the number of groups.

Front

What is the value of 1/3 of 60?

Back

1/3 of 60 is 20.

Front

What is the value of 2/5 of 60?

Back

2/5 of 60 is 24.

Front

How do you find the total length when multiple items are lined up?

Back

To find the total length, multiply the length of one item by the number of items.

Front

What is the process to determine if a number is an integer?

Back

A number is an integer if it is a whole number without any fractional or decimal part.

Front

What is the total amount needed if a donation is received?

Back

Total amount needed = Total cost - Donation.