Rounding and Simplifying Expressions

Front

What is rounding?

Back

Rounding is the process of adjusting the digits of a number to make it simpler and easier to work with, while keeping its value close to what it was.

Front

When do you round up?

Back

You round up when the digit to the right of the rounding place is 5 or greater.

Front

When do you round down?

Back

You round down when the digit to the right of the rounding place is less than 5.

Front

What is the rounding place in the number 3,450,012 if rounding to the nearest thousand?

Back

The rounding place is the digit '0' in '450,000'.

Front

In the number 56,034, which digit determines if you round up or down when rounding to the nearest ten?

Back

The digit '3' determines if you round up or down.

Front

What is the estimated value of 720,000 when rounded to the nearest hundred thousand?

Back

The estimated value is 700,000.

Front

How do you round the number 94,500,000 to the nearest million?

Back

You round down to 94,000,000.

Front

What is the significance of the digit in the rounding place?

Back

The digit in the rounding place determines whether to round up or down based on the digit immediately to its right.

Front

What is the result of rounding 8,400,000 to the nearest million?

Back

The result is 8,000,000.

Front

If you have the number 3.67, how would you round it to the nearest whole number?

Back

You would round it up to 4.