Lesson 4 Rounding

Front

What is rounding?

Back

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

Front

What does it mean to round to the nearest ten?

Back

Rounding to the nearest ten means finding the closest multiple of ten to a given number.

Front

How do you round a number ending in 5?

Back

If a number ends in 5, you round up to the next whole number.

Front

Round 72 to the nearest ten.

Back

70

Front

Round 65,321 to the nearest ten thousand.

Back

70,000

Front

What is the nearest hundred to 172?

Back

200

Front

Round 185,321 to the nearest thousand.

Back

185,000

Front

Round 25,750 to the nearest thousand.

Back

26,000

Front

What is the rule for rounding down?

Back

If the digit to the right of the rounding place is less than 5, round down.

Front

What is the rule for rounding up?

Back

If the digit to the right of the rounding place is 5 or greater, round up.