Front

What is rounding in mathematics?

Back

Rounding is the process of adjusting a number to make it simpler and easier to work with, usually to the nearest ten, hundred, or other place value.

Front

How do you estimate the sum of two numbers?

Back

To estimate the sum, round each number to the nearest ten or hundred, then add the rounded numbers.

Front

If you have 35 cookies and want to put them in bags of 4, how do you find out how many bags you can fill?

Back

Divide the total number of cookies (35) by the number of cookies per bag (4). The quotient gives the number of full bags, and the remainder shows how many cookies are left.

Front

What is the formula to find the total cost when buying multiple items?

Back

Total Cost = Price per Item × Number of Items.

Front

How do you apply a discount to a total cost?

Back

Subtract the discount amount from the total cost to find the final amount to be paid.

Front

What does it mean to round a number to the nearest hundred?

Back

To round to the nearest hundred, look at the tens digit. If it is 5 or more, round up; if it is 4 or less, round down.

Front

Estimate the product of 47 and 6 by rounding 47 to the nearest ten. What is the estimated product?

Back

Round 47 to 50, then multiply: 50 × 6 = 300.

Front

What is a multi-step word problem?

Back

A multi-step word problem requires more than one operation to solve, often involving addition, subtraction, multiplication, or division.

Front

How do you find the remainder in a division problem?

Back

The remainder is what is left over after dividing when the numbers do not divide evenly.

Front

What is the importance of estimating in math?

Back

Estimating helps to quickly assess the reasonableness of an answer and can simplify calculations.